WO2022033191A1

WO2022033191A1 - Communication device

Info

Publication number: WO2022033191A1
Application number: PCT/CN2021/101968
Authority: WO
Inventors: 昌诗范; 陈杰; 朱金荣
Original assignee: 华为技术有限公司
Priority date: 2020-08-13
Filing date: 2021-06-24
Publication date: 2022-02-17
Also published as: CN114079211A; CN114079211B

Abstract

A communication device (100), applicable to an optical communication device, a router, a switch, a server, or the like. The communication device (100) comprises a plurality of switch boards (120) and a plurality of line cards (110). The line cards (110) are used for receiving or generating signals, and the switch boards (120) are used for performing cross scheduling on the signals; each line card (110) is provided with at least one first signal connector, and each switch board (120) is provided with at least one second signal connector; a first signal connector of at least one first line card of the plurality of line cards (110) is connected to second signal connectors of at least two first switch boards in the plurality of switch boards (120) via at least two first signal lines. The line cards (110) are provided with the signal connectors, and the line cards are connected to the plurality of switch boards (120) by means of the signal connectors, thereby reducing the complexity of installation and maintenance of the line cards (110) and the switch boards (120) while improving the integration level of the communication device, and reducing installation and maintenance costs.

Description

communication device

This application claims the priority of the Chinese patent application with the application number 202010814264.6 and the application name "Communication Equipment" filed with the State Intellectual Property Office of China on August 13, 2020, the entire contents of which are incorporated into this application by reference.

technical field

The present application relates to the field of communication, and more particularly, to communication equipment for signal exchange, especially optical communication equipment, routers, switches or servers, and the like.

Background technique

Currently, a communication device with an orthogonal architecture is known. As shown in FIG. 1 , n line cards are configured in parallel (for example, the n line cards may be horizontally configured), and m switch cards are configured in parallel (for example, the m The switch cards can be configured vertically), and each line card is orthogonal to each switch card, each line card is communicated with m switch cards through m signal connectors, and each switch card is connected through n signals The devices are respectively connected to the n line cards for communication. Each line card is provided with one or more line card chips, and each line card chip is connected to m signal connectors on the line card chip through the signal lines provided on the line card, so that each line card The signals generated (or, received) by the chip can be transmitted to each switch board (or, in other words, the switch chips on each switch board).

With the rapid development of the communication and Internet industries, improving the capacity and integration of communication equipment has become an urgent problem to be solved in the industry.

Configuring more line cards and/or switch cards in the limited space of the communication equipment is an effective means to solve the above problems.

A feasible implementation method is to split a line card into two or more as shown in Figure 2. However, in this case, during installation, the signal lines of the line card chip on one line card need to be separated into two parts. The signal connector connected to each switch card greatly increases the complexity of installation and maintenance, and increases the cost of installation and maintenance.

SUMMARY OF THE INVENTION

The present application provides a communication device, which can reduce the complexity of installation and maintenance of line cards and switch cards, and reduce the cost of installation and maintenance of line cards and switch cards while improving the integration level of the communication device.

A first aspect of the present application provides a communication device, including a plurality of switching cards and a plurality of line cards, the line cards are used for receiving or generating signals, and the switching cards are used for cross-scheduling the signals, wherein each line card is configured with There is at least one first signal connector; each switch card is provided with at least one second signal connector; wherein, the first signal connector of at least one first line card in the plurality of line cards passes through at least two The first signal lines are connected to the second signal connectors of at least two first switch cards of the plurality of switch cards.

According to the solution of the present application, a signal connector is provided on the line card, and the line card (specifically, the line card chip on the line card) is connected to a plurality of exchange cards through the signal connector, so even if the current In the prior art, a line card is split into a plurality of line cards, and there is no need to draw out a signal line for connecting with each switch card from the line card chip, so that the integration of communication equipment can be improved and the line card can be reduced. The complexity of installation and maintenance of cards and switch cards reduces installation and maintenance costs.

In this application, "the first signal connector of at least one first line card of the plurality of line cards communicates with at least two first switch cards of the plurality of switch cards via at least two first signal lines. "connected to the second signal connector" can be understood as a plurality of signal lines drawn from the first signal connector of the first line card, and each signal line is respectively connected to a second signal connector of the first switch card, thereby , the first signal connector can be directly connected to each of the plurality of second signal connectors.

Or, "The first signal connector of at least one first line card of the plurality of line cards is connected to the second signal connector of at least two first switch cards of the plurality of switch cards via at least two first signal lines "The signal connector is connected" can be understood as a signal line drawn from the first signal connector of the first line card, the signal line is connected with the second signal connector of a first switch card, and a plurality of first The second signal connectors of the exchange card are connected to each other through a plurality of signal lines, so that the first signal connector can be directly connected to one of the plurality of second signal connectors, and can be directly connected to the plurality of second signal connectors. The other of the second signal connectors are indirectly connected.

Or, "The first signal connector of at least one first line card of the plurality of line cards is connected to the second signal connector of at least two first switch cards of the plurality of switch cards via at least two first signal lines "Connected with a signal connector" can be understood to mean that a plurality of signal lines are drawn from the first signal connector of the first line card, and the plurality of signal lines are connected with the second signal of some of the plurality of first exchange cards. and one or more of the switch cards directly connected to the first line card and the switch cards that are not directly connected to the first line card among the plurality of switch cards are connected via signal lines, so that it is possible to The first signal connector is directly connected to the second signal connector of a part of the exchange card, and is indirectly connected to the second signal connector of another part of the exchange card.

Wherein, the plurality of line cards are arranged in a plurality of rows, and each row includes at least two line cards.

Each line card is attached to a switch card.

The plurality of switch cards are arranged in a plurality of rows, each row including at least two line cards.

Each switch card is attached to a line card.

In one implementation, the second signal connectors of the at least two first switch cards are connected to each other, and the first signal connectors of the first line cards are connected to the second signal connectors of the first switch card to which they are fixed. connectors are connected.

In another possible implementation manner, the second signal connectors of any two of the plurality of switch cards are connected, and the first signal connector of each line card is connected to the second signal connector of the switch card to which it is fixed. connectors are connected.

In another possible implementation manner, the communication device further includes at least one backplane, wherein the plurality of line cards are arranged on one side of the backplane, and the switch card is arranged on another side of the backplane On one side, the at least two first signal lines are arranged on the backplane, the line card is fixed on the backplane through the first signal connector, and the switch card is connected through the second signal The device is fixed on the backplane.

For example, one side of each backplane is provided with a plurality of third signal connectors, and the other side of the backplane is provided with a plurality of fourth signal connectors, and at least one first signal connector of each line card is connected to At least one third signal connector is matingly connected (and fixed); at least one second signal connector of each switch card is mated and connected (and fixed) with at least one fourth signal connector.

Wherein, each third signal connector is respectively connected with each fourth signal connector, so that the line card (or the first signal connector of the line card) only needs to be inserted into the backplane (or in other words, the backplane the third signal connector), the installation of the line card can be easily completed, thereby further improving the effect and practicability of the present application.

Moreover, by arranging the signal lines on the backplane, integrated wiring can be realized. For example, the backplane includes printed circuit boards (PCBs) or waveguides, thereby further reducing the wiring space for the signal lines. Therefore, the effect and practicability of the present application can be further improved.

It should be understood that the arrangement of the signal lines listed above is only exemplary, and the present application is not limited thereto. For example, the signal lines may include, but are not limited to, any one of a circuit in a PCB, an optical fiber, a cable, or a waveguide. form.

In an implementation manner, the line card includes a first side and a second side that are opposite to each other, the backplane includes a third side and a fourth side, and the first connector of the line card is configured to be close to each other On one of the first side and the second side, the line cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the plurality of line cards in each row of line cards is the same as that of the first row. The directions of the three sides are the same, and the direction of the first side of the line card closest to the third side among the at least two lines of the line cards is the same as the direction of the line card closest to the fourth side among the at least two lines of the line cards The orientations of the first surfaces of a row of line cards are different.

In addition, the orientation of the first surface of the line card in the line card closest to the third side in the at least two lines of the line cards is the same as the orientation of the line card in the line card in the line card closest to the fourth side in the at least two lines. The orientation of the first surface satisfies: the first signal connector of the line card of the at least two rows of the line cards closest to the third side and the row of the line cards of the at least two rows of the line cards closest to the fourth side The distance between the first signal connectors of the line cards is minimized.

By arranging the first connector close to one side of the line card and making the same surface of the line cards in different columns have different orientations, the arrangement positions of the third connectors on the backplane can be centralized. Therefore, it is possible to avoid an increase in the size of the backplane due to the installation of the line card.

In another implementation manner, the line card includes a first side and a second side that are opposite to each other, the backplane includes a third side and a fourth side that are opposite to each other, and the plurality of line cards Including a class A line card and a class B line card, the first connector of the class A line card is configured to be close to one of the first side and the second side, and the first connection of the class B line card The device is arranged close to the other of the first side and the second side, and the line cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the line cards in each row is the same as that of the third row. The directions of the sides are the same.

In addition, a row of line cards closest to the third side of the at least two rows of line cards is a type A line card, and a row of line cards closest to the fourth side of the at least two rows of line cards is a type B line card In addition, a row of line cards in at least two rows of the line cards closest to the third side and a row of line cards in at least two rows of the line cards closest to the fourth side are on the backplane. The configuration satisfies: the first signal connector of the line card in the line card closest to the third side in the at least two columns and the first signal connector of the line card in the line card closest to the fourth side in the line card in the at least two columns. The distance between a signal connector is minimized.

By arranging the first connectors of the two rows of line cards closest to the outside of the backplane to be close to different sides of the line cards, and making the same side of the two rows of line cards face the same direction, the third The configuration positions of the connectors are centralized (or, in other words, the configuration positions of the first signal connectors of the line cards on the backplane are centralized). Therefore, it is possible to avoid an increase in the size of the backplane due to the installation of the line card.

Through the above solution, it can be achieved that the length of the projection of the plurality of line cards on the arrangement plane of the backplane in the first direction is greater than that between the third side and the fourth side of the backplane distance, and the first direction is the direction of the distance between the third side and the fourth side.

In an implementation manner, the second signal connector of at least one second switch card of the plurality of switch cards is connected to at least two second line cards of the plurality of line cards via at least two second signal lines connected to the first signal connector.

According to the solution of the present application, by arranging a signal connector on the switch card, and connecting the switch card (specifically, the line card chip on the switch) to a plurality of line cards through the signal connector, even if the current In the prior art, a switch card is split into a plurality of switch cards, and there is no need to draw out a signal line for connecting with each line card from the switch card chip, so that the integration level of the communication equipment can be improved and the line card can be reduced at the same time. The complexity of installation and maintenance of cards and switch cards reduces installation and maintenance costs.

In this application, "the second signal connector of at least one second switch card of the plurality of switch cards is connected to the at least two second line cards of the plurality of line cards via at least two second signal lines. "The first signal connector is connected" can be understood to mean that a plurality of signal lines are drawn from the second signal connector of the second switching card, and each signal line is respectively connected to the second signal connector of a second line card, so that it can be Direct connection of the second signal connector to each of the plurality of first signal connectors is achieved.

Or, "The second signal connector of at least one second switch card of the plurality of switch cards communicates with the first signal of at least two second line cards of the plurality of line cards via at least two second signal lines "connected to the connector" can be understood as a signal line drawn from the second signal connector of the second switch card, the signal line is connected to the first signal connector of a second line card, and the plurality of second line cards The first signal connectors are connected to each other through a plurality of signal lines, so that the second signal connector can be directly connected to one of the plurality of first signal connectors, and can be directly connected to the plurality of first signal connectors. The other first signal connectors in the connectors are indirectly connected.

Or, "The second signal connector of at least one second switch card of the plurality of switch cards communicates with the first signal of at least two second line cards of the plurality of line cards via at least two second signal lines "Connected with connectors" can be understood as that a plurality of signal lines are drawn from the second signal connectors of the second switch card, and the plurality of signal lines are connected to the first signal connectors of some of the switch cards among the plurality of second line cards. , and one or more of the line cards directly connected to the second switching card are connected to the line cards that are not directly connected to the second switching card among the multiple line cards via signal lines, so that the first The two signal connectors are directly connected to the first signal connectors of a part of the line cards, and indirectly connected to the first signal connectors of another part of the line cards.

In one implementation, the second signal connectors of the at least two second line cards are connected to each other, and the second signal connectors of the second switch card are connected to the first signal connectors of the second line cards to which they are fixed connected.

In another possible implementation manner, the first signal connectors of any two of the multiple line cards are connected, and the second signal connector of each switch card is connected to the first signal connector of the line change card to which it is fixed. connected to the signal connector.

In another possible implementation manner, the communication device further includes at least one backplane, wherein the plurality of line cards are arranged on one side of the backplane, and the switch card is arranged on another side of the backplane On one side, the at least two second signal lines are arranged on the backplane, the line card is fixed on the backplane through the first signal connector, and the switch card is connected through the second signal The device is fixed on the backplane.

For example, one side of each backplane is provided with a plurality of third signal connectors, and the other side of the backplane is provided with a plurality of fourth signal connectors, and at least one first signal connector of each line card is connected to At least one third signal connector is matingly connected (and fixed); at least one second signal connector of each switch card is mated and connected (and fixed) with at least one fourth signal connector, and the at least two second signal lines installed on the backplane.

Wherein, each fourth signal connector is respectively connected with each third signal connector, so that only the switch card (or the second signal connector of the switch card) needs to be inserted into the backplane (or the backplane The fourth signal connector), the installation of the exchange card can be easily completed, thereby further improving the effect and practicability of the present application.

In addition, by arranging the signal lines on the backplane, integrated wiring can be realized. For example, the backplane includes a printed circuit board PCB or a waveguide, so that the requirements on the wiring space of the signal lines can be further reduced, so that the wiring space can be further reduced. The effect and practicability of the present application are further improved.

It should be understood that the arrangement of the signal lines listed above is only exemplary, and the present application is not limited thereto. For example, the signal lines may include but are not limited to any one of a circuit in a PCB, an optical fiber, a cable or a waveguide. form.

In an implementation manner, the switch card includes a fifth side and a sixth side that are opposite to each other, the backplane includes a seventh side and an eighth side, and the second connector of the switch card is configured to be close to each other In one of the fifth side and the sixth side, the switch cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the switch cards in each row of switch cards is the same as that of the first row. The directions of the seven sides are the same, and the direction of the second side of the exchange card in the row closest to the seventh side of the at least two rows of the exchange cards is the same as the direction of the second side of the at least two rows of the exchange cards closest to the eighth side The orientations of the second sides of a column of exchange cards are different.

In addition, the direction of the second surface of the exchange card in a row of the at least two rows of the exchange cards closest to the seventh side is the same as the orientation of the exchange card of the row of exchange cards in the at least two rows of the exchange cards closest to the eighth side. The orientation of the second side satisfies: the second signal connector of the switch card in at least two rows of the switch cards in the row closest to the seventh side and the switch card in the at least two rows of the switch cards in the row closest to the eighth side Minimize the distance between the second signal connectors of the switch card

By arranging the second connector close to one side of the switch card and making the same side of the switch card in different columns have different orientations, the arrangement positions of the fourth connector on the backplane can be centralized. Therefore, it is possible to avoid an increase in the size of the backplane due to the need to install the exchange card.

In yet another implementation manner, the exchange card includes a fifth side and a sixth side that are opposite to each other, the backplane includes a seventh side and an eighth side that are opposite to each other, and the plurality of exchange cards Including a C-type switching card and a D-type switching card, the second connector of the C-type switching card is configured to be close to one of the fifth side and the sixth side, the second connection of the D-type switching card The switch is arranged close to the other side of the fifth side and the sixth side, and the switch cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the switch cards in each row is the same as that of the seventh side. The directions of the sides are the same, the exchange card in the row closest to the seventh side of the at least two rows of the exchange cards is a C-type exchange card, and the exchange card in the at least two rows of the exchange cards closest to the eighth side is the row of exchange cards. D-type exchange cards, and the direction of the second surface of the exchange card in the row closest to the seventh side of the at least two rows of the exchange cards is the same as the orientation of the exchange card in the at least two rows of the exchange cards closest to the eighth side The second sides of a row of exchange cards are oriented in the same direction.

In addition, the arrangement on the backplane of at least two rows of switch cards that is closest to the seventh side and a row of at least two rows of switch cards that is closest to the eighth side on the backplane satisfies : the second signal connector of the switch card in the row closest to the seventh side of the at least two rows of the switch cards and the second signal connector of the switch card in the row closest to the eighth side of the at least two rows of the switch cards The distance between connectors is minimized.

By arranging the second connectors of the two columns of exchange cards closest to the outside of the backplane to be close to different sides of the exchange cards, and making the same side of the two columns of exchange cards face the same direction, the fourth connector on the backplane can be The configuration positions of the connectors are centralized (or in other words, the configuration positions of the second signal connectors of the switch card on the backplane are centralized). Therefore, it is possible to avoid an increase in the size of the backplane due to the need to install the exchange card.

Through the above solution, it can be achieved that the length of the projection of the plurality of exchange cards on the arrangement plane of the backplane in the second direction is greater than that between the seventh side and the eighth side of the backplane distance, and the second direction is the direction of the distance between the seventh side and the eighth side.

In this application, the communication device may include, but is not limited to, an optical communication device, a router, a switch, or a server, and the like.

A second aspect of the present application provides another communication device, which is characterized by comprising a plurality of switching cards and a plurality of line cards, the line cards are used for receiving or generating signals, and the switching cards are used for cross-scheduling the signals, wherein each Each line card is provided with at least one first signal connector; each switch card is provided with at least one second signal connector; wherein, the second signal connection of at least one second switch card in the plurality of switch cards The connector is connected to the first signal connectors of at least two second line cards of the plurality of line cards via at least two second signal lines.

Wherein, the plurality of switch cards are arranged in a plurality of rows, and each row includes at least two line cards.

Each switch card is attached to a line card.

In an implementation manner, the switch card includes a fifth side and a sixth side that are opposite to each other, the backplane includes a seventh side and an eighth side that are opposite to each other, and the second side of the switch card is opposite to each other. The connector is arranged close to one of the fifth side and the sixth side, and the switch cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the switch cards in each row is the same as that of the seventh side. The direction of the sides is the same, and the direction of the second surface of the exchange card in the column of the at least two columns of the exchange cards closest to the seventh side is the same as that of the exchange card in the column of the exchange cards of the at least two columns of the exchange cards closest to the eighth side. The orientation of the second side is different.

In addition, the direction of the second surface of the exchange card in a row of the at least two rows of the exchange cards closest to the seventh side is the same as the orientation of the exchange card of the row of exchange cards in the at least two rows of the exchange cards closest to the eighth side. The orientation of the second side satisfies: the second signal connector of the switch card in at least two rows of the switch cards in the row closest to the seventh side and the switch card in the at least two rows of the switch cards in the row closest to the eighth side The distance between the second signal connectors of the switch card is minimized.

In another implementation manner, the switch card includes a fifth side and a sixth side that are opposite to each other, the backplane includes a seventh side and an eighth side that are opposite to each other, and the plurality of switch cards Including a C-type switching card and a D-type switching card, the second connector of the C-type switching card is configured to be close to one of the fifth side and the sixth side, the second connection of the D-type switching card The switch is arranged close to the other side of the fifth side and the sixth side, and the switch cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the switch cards in each row is the same as that of the seventh side. The directions of the sides are the same, the exchange card in the row closest to the seventh side of the at least two rows of the exchange cards is a C-type exchange card, and the exchange card in the at least two rows of the exchange cards closest to the eighth side is the row of exchange cards. D-type exchange cards, the second surface of the exchange card in the row closest to the seventh side of the at least two rows of the exchange cards is oriented to the exchange card in the row of the exchange cards closest to the eighth side in the at least two rows of the exchange cards The orientation of the second side is the same.

Through the above configuration, it can be achieved that the length of the projection of the plurality of exchange cards on the configuration plane of the backplane in the second direction is greater than the distance between the seventh side and the eighth side of the backplane , the second direction is the distance direction between the seventh side and the eighth side.

Description of drawings

FIG. 1 is an example of a conventional orthogonal architecture communication device.

FIG. 2 is a schematic diagram of a split line card in a communication device with an orthogonal architecture in the prior art.

FIG. 3 is a schematic diagram of an example of a communication device according to an embodiment of the present application.

FIG. 4 is a schematic diagram of another example of a communication device according to an embodiment of the present application.

FIG. 5 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 6 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 7 is a cross-sectional view in the β-β direction shown in FIG. 6 .

FIG. 8 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 9 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 10 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 11 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 12 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 13 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 14 is a schematic diagram of an example of a line card according to an embodiment of the present application.

FIG. 15 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 16 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 17 is a schematic diagram of an example of an exchange card according to an embodiment of the present application.

FIG. 18 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 19 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 20 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

FIG. 21 is a schematic diagram of still another example of a communication device according to an embodiment of the present application.

detailed description

The technical solutions in the present application will be described below with reference to the accompanying drawings.

FIG. 3 shows an example of the structure of the communication device 100 of the present application. As shown in FIG. 3 , the communication device 100 includes:

a plurality of line cards 110;

a plurality of exchange cards 120;

Wherein, each line card 110 includes:

at least one line card chip 115;

at least one line card signal connector 117 (ie, an instance of a first signal connector);

Each exchange card 120 includes:

At least one switch card chip 125

At least one switch card signal connector 127 (ie, an example of a second signal connector).

In this application, a line card (line card, LC) is used to complete service access and processing, to obtain the signal of the service, and to send the signal to the switching card for service scheduling.

That is, a line card can be understood as a device interface between an access line of a switch, router or other network device and the access device. Both digital and analog line cards with multiple speeds can be used to connect cable or fiber optic lines. The digital line card mainly provides functions such as packet forwarding, Packet Internet Groper (PING) response and packet fragmentation for the data network.

Among them, the line card chip is the main device in the line card for completing the above functions.

A switch card (Fabric Card, FC), also known as a switch fabric board, is used to cross schedule signals from line cards.

Among them, the exchange card chip is the main device in the exchange card used to complete the above functions.

In this application, the functions of the line card, the line card chip, the exchange card, and the exchange card chip and the structures and methods for realizing the functions may be similar to those in the prior art, and detailed descriptions thereof are omitted here to avoid redundant descriptions.

In the present application, one or more line card signal connectors 117 are configured on one line card 120, and a signal line is provided between each line card chip 115 on the line card and the line card signal connector 117, that is, , the signal output from the line card chip 115 can be output to one or more switch cards 120 via the line card signal connector 117 .

Next, the configuration of the line card 110 will be described.

In an implementation manner, a line card signal connector 117 is configured on the line card 110, and the line card signal connector 117 is connected to one or more switch cards 120 (specifically, the switch card signal on the switch card 120). connector 127) connection, for example, the line card signal connector 117 can be connected with some of the switch cards 120 of the plurality of switch cards 120, and for another example, the line card signal connector 117 can be connected with all of the plurality of switch cards 120 The switch card 120 is connected to the switch card 120, which is not particularly limited in this application. The administrator or user can connect the line card signal connector 117 to the switch card 120 (specifically, the switch card 120) according to specific signal routing (or switching) requirements. The connection relationship of the switch card signal connector 127) can be arbitrarily set or changed.

In another implementation manner, the line card 110 is configured with a plurality of line card signal connectors 117, and the plurality of line card signal connectors 117 may include one or more of the following types of line card signal connectors 117:

Type 1

The type 1 line card signal connectors 117 are connected to some of the switch cards 120 of the plurality of switch cards 120 .

That is, some of the line card signal connectors 117 of the plurality of line card signal connectors 117 are connected to a part of the switch cards 120 , and another part of the line card signal connectors 117 of the plurality of line card connectors 117 are connected to the line card signals of the type 1 The connector 117 is connected to another part of the switch card 120, so that the communication connection between the line card and each switch card can be realized through a plurality of type 1 line card signal connectors 117.

Type 2

The type 2 line card signal connector 117 is connected to each switch card 120 of the plurality of switch cards 120 .

As shown in FIG. 3 , FIG. 3 is a schematic diagram of an example of a communication device according to an embodiment of the present application, and the communication device further includes a plurality of signal lines 140 .

In the present application, one line card signal connector 117 and a plurality of switch cards 120 may be connected by a signal line 140 (ie, an example of a first signal line), and, by way of example, is defined that in one approach, the line card The signal connector 117 can be directly connected to a plurality of switch cards 120 (or, in other words, the signal connectors of the switch cards 120 ) through a plurality of signal lines (ie, mode 1). In another mode, the line card signal connector 117 A signal line can be directly connected to a switch card 120, and a plurality of switch cards 120 can be connected by a signal line, so that the line card signal connector 117 can be indirectly connected to a plurality of switch cards 120 (ie, mode 2). ). In another way, a backplane can be provided, and a signal connector matched with the line card signal connector 117 is provided on the backplane, and the signal connector can lead out a plurality of signal lines, and each signal line is respectively connected with A switch card 120 (or, in other words, a signal connector on the backplane that is matched with the signal connector of the switch card 120 ) is connected (ie, mode 3). In another way, a backplane can be provided, and a signal connector matched with the line card signal connector 117 is provided on the backplane, and the signal connector can lead out a signal line, and the signal line is connected with a switch card 120 connection, and a plurality of switch cards 120 (or, in other words, signal connectors matched with the signal connectors of the switch cards 120 on the backplane) can be connected through signal lines, so that the line card signal connectors 117 can be connected to A plurality of switch cards 120 are indirectly connected (ie mode 4). Hereinafter, each of the above-mentioned four methods will be described in detail.

way 1

In the following, for ease of understanding and description, the connection manner of the line card signal connector 117A of the line card 110A and the N switching cards 120A is taken as an example for description.

FIG. 4 shows an example of the connection mode between the line card and the switch card of the present application. As shown in FIG. 4 , the line card signal connector 117A is connected to N signal lines 140A (ie, an example of the first signal line). The N signal lines 140A are in one-to-one correspondence with the N switch cards 120A, and each signal line 140A is used to connect the corresponding switch card 120A (specifically, the switch card signal connector 127A of the corresponding switch card 120A) and the corresponding switch card 120A. The line card signal connector 117A.

In an implementation manner, the line card 110A can be fixed on a switch card 120A (denoted, switch card 120A-1), that is, the line card signal connector 117A of the line card 110A and the switch card 120A-1 The exchange card signal connector 127A (referred to as the exchange card signal connector 127A-1) is matched and fixed.

Moreover, in this case, the signal line 140A between the line card signal connector 117A and the switch card signal connector 127A-1 can be realized by the cooperation of the line card signal connector 117A and the switch card signal connector 127A-1.

In Mode 1, the signal line 140 (ie, the signal line 140A) may be any line capable of transmitting signals, such as a cable, an optical fiber, or a waveguide.

way 2

In the following, for ease of understanding and description, the connection manner of the line card signal connector 117B of the line card 110B and the M switching cards 120B is taken as an example for description.

FIG. 5 shows another example of the connection method between the line card and the switch card of the present application. As shown in FIG. 5 , the line card signal connector 117B is connected to one signal line 140B (ie, an example of the first signal line), The signal line 140B is used to connect a switch card 120B (denoted as switch card 120B-1) and the line card signal connector 117B.

In addition, the switch card 120B-1 (or in other words, the switch card signal connector 127B-1 of the switch card 120B-1) is exchanged with M-1 of the M switch cards 120B except the switch card 120B-1 A signal line 140C (ie, another example of the first signal line) is arranged between the cards 120B (referred to as switching card 120B-2).

In an implementation manner, the signal line 140C may be one. In this case, the signal line 140C may be the M switch cards 120B (or in other words, the switch card signal connectors 127B of the M switch cards 120B). serial connection.

In yet another implementation manner, the number of the signal lines 140C may be M-1. In this case, the M-1 switching cards 120B-2 correspond to the M-1 signal lines 140C one-to-one, and each signal line 140C uses For connecting the corresponding exchange card 120B-2 and the exchange card 120B-1.

In one implementation, the line card 110B can be fixed on the switch card 120B-1, that is, the line card signal connector 117B of the line card 110B and the switch card signal connector 127B of the switch card 120B-1- 1 with the fixed.

Moreover, in this case, the signal line 140B between the line card signal connector 117B and the switch card signal connector 127B-1 can be realized by the cooperation of the line card signal connector 117B and the switch card signal connector 127B-1.

According to the above solution, when the line card 110 is installed, the line card signal connector 117 of the line card 110 only needs to be inserted into the switch card signal connector 127 of a corresponding switch card 120 to complete the line card installation.

In Mode 2, the signal line 140 (ie, the signal line 140B or the signal line 140C) may be any line capable of transmitting signals, such as a cable, an optical fiber, or a waveguide.

way 3

As shown in FIG. 6 and FIG. 7 , FIG. 6 is a schematic diagram of still another example of the communication device 100 according to the embodiment of the present application. FIG. 7 is a cross-sectional view in the β-β direction shown in FIG. 6 . The communication device 100 shown in FIG. 6 includes: a backplane 130 .

Wherein, as shown in FIG. 6 , a plurality of backplane signal connectors 132 are provided on one surface (marked as, surface A) of the backplane 130 , and each line card 110 can pass through its line card signal connector 117 It is fixed to the backplane 130 (specifically, on the surface A of the backplane 130 ) in cooperation with the backplane signal connector 132 .

And, as shown in FIG. 7 , a plurality of backplane signal connectors 136 (due to being located on the back side of side A) are provided on the other side of the backplane 130 (marked as side B, that is, the opposite side or back side of side A). , in order to facilitate understanding and observation, not shown in FIG. 6 ), and each exchange card 120 can pass its exchange card signal connector 127 (because it is located on the back of face A, for ease of understanding and observation, not shown in FIG. 6 ) (shown) and the backplane signal connector 136 to be fixed on the backplane 130 (specifically, on the surface B of the backplane 130).

In the following, for ease of understanding and description, the connection manner of the line card signal connector 117D of the line card 110D and the T switching cards 120D is taken as an example for description.

As shown in FIG. 6 , the line card signal connector 117D is matched and fixed on the backplane signal connector 132D, and the line card signal connector 117D is communicatively connected to the backplane signal connector 132D.

The switch card signal connector 127D of the switch card 120D (because it is located on the back side of the plane A, it is not shown in FIG. 6 for easy understanding and observation) is matched and fixed to the backplane signal connector 136D (because it is located on the back side of the plane A, in order to For ease of understanding and observation (not shown in FIG. 6 ), the switch card signal connector 127D is communicatively connected to the backplane signal connector 136D.

The backplane signal connector 132D connects T signal lines 140D (ie, an example of the first signal line), the T signal lines 140D and the T switch cards 120D (or, in other words, the switch card signals of the T switch cards 120D) The backplane signal connectors 136D connected to the connector 127D are in one-to-one correspondence, and each signal line 140D is used to connect the corresponding switch card 120D (specifically, the switch card signal connector 127D of the switch card 120D is configured in the The backplane signal connector 136D) and the line card signal connector 117D (specifically, the backplane signal connector 132D on which the line card signal connector 117D is configured).

In Mode 3, the backplane may be a PBC board, and in this case, the signal line 140 (ie, the signal line 140D) may be a trace on a circuit board.

Alternatively, the signal line 140 (that is, the signal line 140D) may also be any line capable of transmitting signals, such as a cable, an optical fiber, or a waveguide.

It should be understood that FIG. 6 enumerates the manner in which the line card and the backplane are fixed through the mating connection of the signal connector, but the present application is not limited to this, and the backplane may not be provided with the line card (or in other words, the line card The line card (or the signal connector of the line card) is fixed on the backplane by gluing, welding, fitting, etc., with the signal connector) matched with the signal connector. or a description of a similar situation.

Similarly, FIG. 6 illustrates the manner in which the exchange card and the backplane are fixed through the mating connection of the signal connector, but the present application is not limited to this, and the backplane may not be provided with the exchange card (or in other words, the exchange card The switch card (or, the signal connector of the switch card) is fixed on the backplane by gluing, welding, fitting, etc., with the signal connector) matched with the signal connector. In the following, in order to avoid redundant description, the same or a description of a similar situation.

way 4

FIG. 8 shows an example of the configuration mode of the line card and the switch card of the present application. Similar to mode 3, as shown in FIG. 8 , the communication device 100 includes: a backplane 130 .

A plurality of backplane signal connectors 132 are provided on one surface (marked as, surface A) of the backplane 130 , and each line card 110 can be signal-connected to the backplane through its line card signal connector 117 . It is fixed to the back plate 130 (specifically, on the surface A of the back plate 130 ) in cooperation with the device 132 .

In addition, a plurality of backplane signal connectors 136 are provided on the other side (marked as, side B) of the backplane 130 (because it is located on the back side of side A, for ease of understanding and observation, it is not shown in FIG. 8 ), In addition, each switch card 120 can be fixed on the backplane signal connector 136 through the cooperation of its switch card signal connector 127 (because it is located on the back of the plane A, for ease of understanding and observation, not shown in FIG. 8 ). The backplane 130 (specifically, on the surface B of the backplane 130 ).

In the following, for the convenience of understanding and description, the connection manner of the line card signal connector 117E of the line card 110E and the K switch cards 120E is taken as an example for description.

The line card signal connector 117E is matched and fixed on the backplane signal connector 132E, and the line card signal connector 117E is communicatively connected with the backplane signal connector 132E.

The backplane signal connector 132E is connected to one signal line 140E (ie, an example of the first signal line), and the signal line 140E is used to connect to a backplane signal connector 136 (denoted as backplane signal connector 136E-1 , because it is located on the back of face A, for ease of understanding and observation, not shown in Figure 8) and the backplane signal connector 132E (because it is located on the back of face A, for ease of understanding and observation, not shown in Figure 8) .

Among them, the backplane signal connector 136E-1 is used to configure a switch card 120E (referred to as, switch card 120E-1), specifically, the switch card connector 127E-1 of the switch card 120E-1 (because it is located in the switch card 127E-1). The back of the plane A is not shown in FIG. 8 for easy understanding and observation).

In addition, the switch card 120E-1 (or in other words, the switch card signal connector 127E-1 of the switch card 120E-1) is exchanged with K-1 of the K switch cards 120E except the switch card 120E-1 A signal line 140F (ie, another example of the first signal line) is arranged between the cards 120E (referred to as the exchange card 120E-2, since it is located on the back of the face A, for ease of understanding and observation, it is not shown in FIG. 8 ) .

In an implementation manner, the signal line 140F may be one. In this case, the signal line 140F may be the K switch cards 120E (or in other words, the switch card signal connectors 127E of the K switch cards 120E) serial connection. In other words, the signal line 140F can serially connect the board signal connectors 136 to which the switch card signal connectors 127E of the K switch cards 120E are arranged.

In yet another implementation manner, the number of signal lines 140F may be K-1. In this case, K-1 switching cards 120E-2 correspond to K-1 signal lines 140F one-to-one, and each signal line 140F uses For connecting the corresponding exchange card 120E-2 and the exchange card 120E-1. In other words, the switch card signal connector 127E of each signal line 140F for connecting the corresponding switch card 120E-2 is arranged on the backplane signal connector 136 (referred to as the backplane signal connector 136E-2, since it is located in the backplane signal connector 136E-2). The back of face A, not shown in FIG. 8 for ease of understanding and observation) and the backplane signal connector 136E-1.

In Mode 4, the backplane may be a PBC board, and in this case, the signal line 140 (ie, the signal line 140E or the signal line 140F) may be a trace on a circuit board.

Alternatively, the signal line 140 (ie, the signal line 140E or the signal line 140F) may be any line capable of transmitting signals, such as a cable, an optical fiber, or a waveguide.

It should be understood that the above-mentioned ways 1 to 4 are only exemplary descriptions of the connection ways between the line card and the switch card in the present application, and the present application is not limited to this. The signal connectors of one or more) switch cards are directly connected and indirectly connected with the signal connectors of another part(s) of switch cards.

Next, the configuration of the exchange card 120 will be described.

In an implementation manner, as shown in FIG. 9 , a switch card signal connector 127 is configured on the switch card 120, and the switch card signal connector 127 is connected to one or more line cards 110 (specifically, a line card The line card signal connector 117) on the 110 is connected, for example, the switch card signal connector 127 can be connected with a part of the line cards 110 in the plurality of line cards 110, and for another example, the switch card signal connector 127 can be connected with a plurality of line cards 110. All the line cards 110 in the line cards 110 are connected, which is not particularly limited in this application. The administrator or user can connect the signal connector 127 of the switch card to the line card 110 (specifically, according to the specific signal routing (or switching) requirements. , the connection relationship of the line card signal connector 117) on the line card 110 can be arbitrarily set or changed.

In another implementation manner, the switch card 120 is provided with a plurality of switch card signal connectors 127, and the plurality of switch card signal connectors 127 may include one or more of the following types of switch card signal connectors 127:

Type 3

This type 3 switch card signal connector 127 is connected to some of the line cards 110 of the plurality of line cards 110 .

That is, a part of the switch card signal connectors 127 of type 3 among the plurality of switch card signal connectors 127 are connected to a part of the line cards 110 , and another part of the switch card signal connectors 127 of type 3 among the switch card signal connectors 127 are connected to a part of the line cards 110 . It is connected with another part of the line card 110 , so that the communication connection between the switch card and each line card can be realized through a plurality of type 3 switch card signal connectors 127 .

Type 4

The type 4 switch card signal connector 127 is connected to each of the plurality of line cards 110 .

FIG. 9 shows another example of the connection between the line card and the switch card of the present application. As shown in FIG. 9 , the communication device further includes a plurality of signal lines 150 .

In the present application, one switch card signal connector 127 and a plurality of line cards 110 may be connected by signal lines 150 (ie, an example of a second signal line), and, by way of example, are defined that, in one approach, the switch card The signal connector 127 can be directly connected to a plurality of line cards 110 (or, in other words, the signal connectors of the line cards 110 ) through a plurality of signal lines (ie, mode 5). In another mode, the signal connector 127 of the exchange card is A signal line can be directly connected to a line card 110, and a plurality of line cards 110 can be connected to each other through a signal line, so that the switch card signal connector 127 can be indirectly connected to a plurality of line cards 110 (ie, mode 6). ). In another way, a backplane can be provided, and a signal connector matched with the switch card signal connector 127 is provided on the backplane, and the signal connector can lead out a plurality of signal lines, and each signal line is respectively connected with A line card 120 (or, in other words, a signal connector on the backplane that mates with the signal connector of the line card 110 ) is connected (ie, mode 7). In another way, a backplane can be provided, and a signal connector matched with the switch card signal connector 127 is provided on the backplane, and the signal connector can lead out a signal line, and the signal line is connected to a line card 110 connection, and a plurality of line cards 110 (or, in other words, the signal connectors matched with the signal connectors of the line cards 110 on the backplane) can be connected through signal lines, so that the signal connector 127 of the switch card can be connected to the A plurality of line cards 110 are indirectly connected (ie, mode 8). Hereinafter, each of the above-mentioned four methods will be described in detail.

way 5

In the following, for ease of understanding and description, the connection manner of the switch card signal connector 127F of the switch card 120F and the X line cards 110F is taken as an example for description.

FIG. 10 shows another example of the connection method between the line card and the switch card of the present application. As shown in FIG. 10 , the line card signal connector 117F is connected to X number of signal lines 150P (that is, an example of the second signal line), The X signal lines 150P are in one-to-one correspondence with the X line cards 110F, and each signal line 150P is used to connect the corresponding line card 110F (specifically, the line card signal connector 117F of the corresponding line card 110F). with the switch card signal connector 127F.

In an implementation manner, the switch card 120F can be fixed on a line card 110F (denoted as line card 110F-1), that is, the switch card signal connector 127F of the switch card 120F and the line card 110F-1 The line card signal connector 117F (marked as, line card signal connector 117F-1) is fitted and fixed.

Moreover, in this case, the signal line 150P between the switch card signal connector 127F and the line card signal connector 117F-1 can be realized by the cooperation of the switch card signal connector 127F and the line card signal connector 117F-1.

In mode 5, the signal line 150 (ie, the signal line 150P) may be any line capable of transmitting signals, such as a cable, an optical fiber, or a waveguide.

way 6

In the following, for ease of understanding and description, the connection manner of the switch card signal connector 127G of the switch card 120G and the Y line cards 120G is taken as an example for description.

FIG. 11 shows another example of the connection method between the line card and the switch card of the present application. As shown in FIG. 11 , the switch card signal connector 127G is connected to one signal line 150G (ie, an example of the second signal line), The signal line 150G is used to connect a line card 110G (denoted, line card 110G-1) and the switch card signal connector 127G.

In addition, the line card 110G-1 (or, in other words, the line card signal connector 117G-1 of the line card 110G-1) communicates with Y-1 lines of the Y line cards 110G other than the line card 1120G-1. A signal line 150H is arranged between the cards 110G (referred to as line card 110G-2).

In an implementation manner, the number of the signal line 150H may be one. In this case, the signal line 150H may be the Y line cards 110G (or in other words, the line card signal connectors 117G of the Y line cards 110G). serial connection.

In yet another implementation manner, the number of signal lines 150H may be Y-1. In this case, Y-1 line cards 110G-2 correspond to Y-1 signal lines 150H one-to-one, and each signal line 150H uses For connecting the corresponding line card 110G-2 and the line card 110G-1.

In an implementation manner, the switch card 120G may be fixed on the line switch card 110G-1, that is, the switch card signal connector 127G of the switch card 120G and the line card signal connector 117G of the line card 110G-1 -1 Fit fixed.

Moreover, in this case, the signal line 150G between the switch card signal connector 127G and the line card signal connector 117G-1 can be realized by the cooperation of the switch card signal connector 127G and the line card signal connector 117G-1.

According to the above solution, when the switch card 120 is installed, the switch card signal connector 127 of the switch card 120 only needs to be inserted into the line card signal connector 117 of a corresponding one of the line cards 110 to complete the switch card installation.

In mode 6, the signal line 150 (ie, the signal line 150G and the signal line 150H) may be any line capable of transmitting signals, such as a cable, an optical fiber, or a waveguide.

way 7

FIG. 12 shows an example of the configuration of the line card and the switch card of the present application. As shown in FIG. 12 , the communication device 100 includes: a backplane 130 .

A plurality of backplane signal connectors 132 are provided on one surface of the backplane 130 (marked as surface A) (because it is located on the back of the surface B, for ease of understanding and observation, it is not shown in FIG. 12 ), and , each line card 110 can be fixed on the back through the mating of its line card signal connector 117 (because it is located on the back of face B, for ease of understanding and observation, not shown in FIG. 12 ) and the backplane signal connector 132 plate 130 (specifically, on the surface A of the back plate 130).

In addition, a plurality of backplane signal connectors 136 are provided on the other side of the backplane 130 (marked as, side B, that is, the opposite side of A), and each switch card 120 can pass through its switch card signal connector The backplane 127 is fixed to the backplane 130 (specifically, on the surface B of the backplane 130 ) in cooperation with the backplane signal connector 136 .

In the following, for ease of understanding and description, the connection mode of the switch card signal connector 127S of the switch card 120S and the Z line cards 110S is taken as an example for description.

As shown in FIG. 12 , the switch card signal connector 127S is fitted and fixed on the backplane signal connector 136S, and the switch card signal connector 127S is communicatively connected to the backplane signal connector 136S.

The line card signal connector 117S of the line card 110S is matched and fixed on the backplane signal connector 132S, and the line card signal connector 117S is communicatively connected to the backplane signal connector 132S.

The backplane signal connector 136S connects the Z signal lines 150S (ie, an example of the second signal line), the Z signal lines 150S and the Z line cards 110S (or, in other words, the line card signals of the Z line cards 110S). The backplane signal connectors 132S to which the connectors 117S are connected are in one-to-one correspondence, and each signal line 150S is used to connect to the corresponding line card 110S (specifically, the line card signal connector 117S of the line card 110S is configured in the The backplane signal connector 132S) and the switch card signal connector 127S (specifically, the backplane signal connector 136S where the switch card signal connector 127S is configured).

In mode 7, the backplane may be a PBC board, and in this case, the signal line 150 (ie, the signal line 150S) may be a trace on a circuit board.

Alternatively, the signal line 150 (ie, the signal line 150S) may also be any line capable of transmitting signals, such as a cable, an optical fiber, or a waveguide.

way 8

FIG. 13 shows an example of the connection mode between the line card and the switch card of the present application. Similar to mode 7, as shown in FIG. 13 , the communication device 100 includes: a backplane 130 .

Among them, a plurality of backplane signal connectors 132 are arranged on one surface (marked as, surface A) of the backplane 130 (because it is located on the back of the surface B, for ease of understanding and observation, it is not shown in FIG. 13 ), and , each line card 110 can be fixed on the back through the mating of its line card signal connector 117 (because it is located on the back of the plane B, for ease of understanding and observation, not shown in FIG. 13 ) and the backplane signal connector 132 plate 130 (specifically, on the surface A of the back plate 130).

In addition, a plurality of backplane signal connectors 136 are provided on the other side (marked as, side B) of the backplane 130, and each switch card 120 can communicate with the backplane signal via its switch card signal connector 127 The connector 136 is fitted and fixed to the backplane 130 (specifically, on the surface B of the backplane 130 ).

In the following, for ease of understanding and description, the connection manner of the switch card signal connector 127J of the switch card 120J and the W line cards 110J is taken as an example for description.

As shown in FIG. 13 , the switch card signal connector 127J is fixed on the backplane signal connector 136J, and the switch card signal connector 127J is communicatively connected to the backplane signal connector 136J.

The backplane signal connector 136J is connected to one signal line 150J (ie, an example of the second signal line), and the signal line 150J is used to connect a backplane signal connector 132 (referred to as the backplane signal connector 132J-1 , because it is located on the back side of the surface B, in order to facilitate understanding and observation, it is not shown in FIG. 13 ) and the backplane signal connector 136J.

Among them, the backplane signal connector 132J-1 is used to configure a line card 110J (referred to as, line card 110J-1), specifically, the line card connector 117J-1 of the line card 110J-1 (because it is located in the line card 110J-1). The back of the face B is not shown in Fig. 13 for easy understanding and observation).

In addition, the line card 110J-1 (or, in other words, the line card signal connector 117J-1 of the line card 110J-1) communicates with W-1 lines of the W line cards 110J other than the line card 110J-1. A signal line 150L is arranged between the cards 110J (referred to as line card 110J-2).

In an implementation manner, the number of the signal line 150L may be one. In this case, the signal line 150L may be the W line cards 110J (or in other words, the line card signal connectors 117J of the W line cards 110J). serial connection. In other words, the signal line 150L can serially connect the board signal connectors 132 to which the line card signal connectors 117J of the W line cards 110J are arranged.

In yet another implementation manner, the number of the signal lines 150L may be W-1. In this case, the W-1 line cards 110J-2 correspond to the W-1 signal lines 150L one-to-one, and each signal line 150L uses For connecting the corresponding line card 110J-2 and the line card 110J-1. In other words, the line card signal connector 117J of each signal line 150L for connecting the corresponding line card 110J-2 is arranged on the backplane signal connector 132 (referred to as the backplane signal connector 132J-2, because it is located in the backplane signal connector 132J-2). The back of face B (not shown in FIG. 13 for ease of understanding and observation) and the backplane signal connector 132J-1.

In mode 8, the backplane may be a PBC board. In this case, the signal line 150 (ie, the signal line 150J or the signal line 150L) may be a trace on a circuit board.

Alternatively, the signal line 150 (ie, the signal line 150J or the signal line 150L) may also be any line capable of transmitting signals, such as a cable, an optical fiber, or a waveguide.

It should be understood that the above-listed modes 5 to 9 are only exemplary descriptions of the connection mode between the switch card and the line card in the present application, and the present application is not limited to this. For example, the signal connector of the switch card can also be connected with some ( The signal connectors of one or more) line cards are directly connected and indirectly connected with the signal connectors of another part(s) of the line cards.

FIG. 14 is a schematic configuration diagram of an example of the line card 110 of the present application.

As shown in FIG. 14 , the line card signal connector 117 of the line card 110 may be disposed on one side of the line card 110 (marked as, on side c).

In addition, the position of the line card signal connector 117 on the side c is: one of the two adjacent sides (eg, side a and side b shown in FIG. 14 ) close to the side c, eg, side a.

In addition, each line card 110 includes a surface C and a surface D, wherein, the surface D is the back surface (or the opposite side) of the surface C. For the convenience of understanding and observation, the surface D is not shown in FIG. 13 .

15 shows a front view of the configuration of the line card 110 shown in FIG. 14 on the backplane, and FIG. 16 shows a top view of the configuration of the line card 110 shown in FIG. 14 on the backplane, as shown in FIG. 15 and FIG. As shown in 16, in the direction R, line cards are arranged in multiple rows (two or more rows), wherein the direction R may be the direction of side c, or in other words, the direction R may be between the side a and the side b. the direction of the distance between.

Wherein, for the two outermost line cards in the multi-column line cards (that is, as shown in FIG. 15 and FIG. 16 , the U-th line card and the V-th line card), each line card in the U-th line card The orientation of the plane C of the line cards is different from the orientation of the plane C of each line card in the line card in the Vth column. For example, as shown in FIG. 15 and FIG. Face C faces up, and face C faces down for each of the line cards in column V.

Therefore, as shown in FIGS. 15 and 16 , it is not necessary to extend the length in the direction R of the backplane to cover the whole of the line card (specifically, the edge c of the line card) in order to realize the installation of the line card, that is, There may be an interval Q between the edge c of each line card in the U-th line card and the edge d of the backplane, and the distance between the edge c of each line card in the V-th line card and the edge e of the backplane There may be an interval Q between them, and cooling air can be passed through the interval Q, and further, the cooling effect can be improved, and the practicability and reliability of the present application can be further improved.

It should be understood that the configuration of the line cards on the backplane shown in FIG. 14 to FIG. 16 is only an exemplary illustration, and the present application is not limited thereto. Class B line cards.

The class A line card may be similar to the line card shown in FIG. 14 , that is, the signal connector of the class A line card may be arranged close to the edge a

The signal connector of the class B line card can be placed close to edge c.

FIG. 20 shows another example of the configuration of the line cards. As shown in FIG. 20 , in this case, the configuration of the A-type line cards on the backplane can be the same as the configuration of the U-th line cards shown in FIG. 15 . Similarly, or in other words, a class A line card can be used as the U-th column line card.

In addition, the B-type line card can be used as the V-th line card. However, unlike the configuration shown in FIG. 15, in the configuration shown in FIG. 20, the surface C of the B-type line card and the A-type line card The orientation of face C is the same.

FIG. 17 is a schematic configuration diagram of an example of the exchange card 120 of the present application.

As shown in FIG. 17 , the switch card signal connector 127 of the switch 120 can be arranged on one side of the switch card 120 (marked as, on side h).

Moreover, the position of the switch card signal connector 127 on the side f is: one of the two adjacent sides (eg, side f and side g shown in FIG. 17 ), such as side f, close to the side f.

In addition, each line card 110 includes a surface E and a surface F, wherein, the surface F is the back surface (or the opposite side) of the surface E. For the convenience of understanding and observation, the surface F is not shown in FIG. 17 .

FIG. 18 shows a front view of the configuration of the switch card 120 shown in FIG. 17 on the backplane, and FIG. 19 shows a top view of the configuration of the switch card 120 shown in FIG. 17 on the backplane, as shown in FIG. 18 and FIG. As shown in 19, in the direction R', line cards are arranged in multiple rows (two or more rows), wherein the direction R' may be the direction of the side h, or in other words, the direction R' may be the side f and the side f. The direction of the distance between edges g.

Among them, for the two columns of exchange cards located at the outermost among the multi-column exchange cards (that is, as shown in FIG. 18 and FIG. 19 , the exchange card of column U' and the exchange card of column V'), the exchange card of column U' is exchanged The orientation of the face E of each exchange card in the card is different from the orientation of the face E of each exchange card in the V'th column of the exchange card, for example, as shown in Figures 18 and 19, the U'th column of the exchange card Face E of each exchange card in column V' faces up, and face E of each exchange card in column V' faces down.

Therefore, as shown in FIG. 18 and FIG. 19 , in order to realize the installation of the exchange card, it is not necessary to extend the length in the direction R' of the backplane to cover the whole of the exchange card (specifically, the side h of the exchange card), that is, , there may be an interval Q' between the edge f of each exchange card in the U'th column and the edge k of the backplane, and the V'th column intersects the edge g of each exchange card in the exchange card and the backplane There may be an interval Q' between the sides m of the plate, and cooling air can pass through the interval Q', and further, the cooling effect can be improved, and the practicability and reliability of the present application can be further improved.

It should be understood that the configuration of the line cards on the backplane shown in FIG. 17 to FIG. 19 is only an exemplary illustration, and the present application is not limited thereto. Class D exchange card.

The type C switch card may be similar to the switch card shown in FIG. 17 , that is, the signal connector of the type C switch card may be set close to the edge f, and the signal connector of the type D switch card may be set close to the edge g.

Figure 21 shows another example of the configuration of the switch card. As shown in Figure 21, in this case, the configuration of the C-type switch card on the backplane can be the same as the configuration of the U'-th column switch card shown in Figure 18. Similarly, or in other words, a C-type exchange card can be used as the U'th column exchange card.

Also, a D-type switch card can be used as the V'-th row switch card, but, unlike the configuration shown in Figure 18, in the configuration shown in Figure 21, the face E of the D-type switch card is switched with the C-type switch Face E of the card is oriented the same.

In the several embodiments provided in this application, it should be understood that the disclosed communication device may be implemented in other manners. For example, the above-described embodiments are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or may be Integration into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and components shown as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution in this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. should be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

A communication device, characterized in that it includes a plurality of switching cards and a plurality of line cards, wherein the line cards are used for receiving or generating signals, and the switching cards are used for cross-scheduling the signals, wherein,

Each line card is provided with at least one first signal connector;

Each switch card is provided with at least one second signal connector;

Wherein, the first signal connector of at least one first line card in the plurality of line cards communicates with the second signal of at least two first exchange cards in the plurality of switch cards via at least two first signal lines connectors are connected.
The communication device according to claim 1, wherein the communication device further comprises at least one backplane, wherein the plurality of line cards are arranged on one side of the backplane,

The exchange card is arranged on the other side of the backplane,

the at least two first signal lines are arranged on the backplane,

The line card is fixed on the backplane through the first signal connector,

The exchange card is fixed on the backplane through the second signal connector.
The communication device according to claim 2, wherein a plurality of third signal connectors are provided on one side of each backplane, and a plurality of fourth signal connectors are provided on the other side of the backplane,

At least one first signal connector of each line card is matingly connected with at least one third signal connector;

At least one second signal connector of each switch card is matingly connected with at least one fourth signal connector.
The communication device according to claim 2 or 3, wherein the line card includes a first side and a second side that are opposite to each other, and the backplane includes a third side and a fourth side that are opposite to each other side, the first connector of the line card is disposed adjacent to one of the first side and the second side,

The line cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the line cards in each row is the same as the direction of the third side,

The orientation of the first surface of the line cards of the at least two rows of the line cards closest to the third side is the same as that of the first side of the line cards of the at least two rows of the line cards closest to the fourth side faces are oriented differently.
The communication device according to claim 2 or 3, wherein the line card includes a first side and a second side that are opposite to each other, and the backplane includes a third side and a fourth side that are opposite to each other side, the plurality of line cards include a type A line card and a type B line card, the first connector of the type A line card is configured to be close to one of the first side and the second side, the The first connector of the class B line card is arranged adjacent to the other of the first side and the second side,

The line cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the line cards in each row is the same as the direction of the third side,

The line card closest to the third side of the at least two lines of the line cards is a class A line card,

Among the at least two rows of the line cards, the row card closest to the fourth side is a B-type line card,

The orientation of the first surface of the line cards of the at least two rows of the line cards closest to the third side is the same as that of the first side of the line cards of the at least two rows of the line cards closest to the fourth side face in the same orientation.
The communication device according to claim 4 or 5, wherein a projection of the plurality of line cards on the arrangement plane of the backplane in the first direction is longer than the third length of the backplane The distance between the edge and the fourth edge, and the first direction is the direction of the distance between the third edge and the fourth edge.
The communication device according to any one of claims 1 to 6, wherein the second signal connector of at least one second switch card among the plurality of switch cards is connected to all switch cards via at least two second signal lines. The first signal connectors of at least two second line cards in the plurality of line cards are connected to each other.
The communication device according to claim 7, wherein the communication device further comprises at least one backplane, wherein the plurality of line cards are arranged on one side of the backplane,

The exchange card is arranged on the other side of the backplane,

the at least two second signal lines are arranged on the backplane,

The line card is fixed on the backplane through the first signal connector,

The exchange card is fixed on the backplane through the second signal connector.
The communication device according to claim 8, wherein a plurality of third signal connectors are provided on one side of each backplane, and a plurality of fourth signal connectors are provided on the other side of the backplane,

At least one first signal connector of each line card is matingly connected with at least one third signal connector;

At least one second signal connector of each switch card is matingly connected with at least one fourth signal connector.
The communication device according to claim 8 or 9, wherein the switch card includes a fifth side and a sixth side that are opposite to each other, and the backplane includes a seventh side and an eighth that are opposite to each other side, the second connector of the switch card is disposed adjacent to one of the fifth side and the sixth side,

The switch cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the switch cards in each row is the same as the direction of the seventh side,

The orientation of the second surface of the exchange card in the row of the at least two rows of the exchange cards closest to the seventh side is the same as the orientation of the second side of the exchange card in the row of the exchange cards closest to the eighth side in the at least two rows of the exchange cards. faces are oriented differently.
The communication device according to claim 8 or 9, wherein the switch card includes a fifth side and a sixth side that are opposite to each other, and the backplane includes a seventh side and an eighth that are opposite to each other side, the plurality of switch cards include a type C switch card and a type D switch card, the second connector of the type C switch card is configured to be close to one of the fifth side and the sixth side, the The second connector of the D-type switch card is arranged adjacent to the other of the fifth side and the sixth side,

The switch cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the switch cards in each row is the same as the direction of the seventh side,

A column of exchange cards closest to the seventh side among the at least two columns of the exchange cards is a class C exchange card,

A column of exchange cards closest to the eighth side among the at least two columns of the exchange cards is a class D exchange card,

The orientation of the second surface of the exchange card in the row of the at least two rows of the exchange cards closest to the seventh side is the same as the orientation of the second side of the exchange card in the row of the exchange cards closest to the eighth side in the at least two rows of the exchange cards. face in the same orientation.
The communication device according to claim 10 or 11, wherein a projection of the plurality of switch cards on the arrangement plane of the backplane in the second direction is longer than the seventh length of the backplane The distance between the side and the eighth side, and the second direction is the direction of the distance between the seventh side and the eighth side.
The communication device according to claim 2 or 9, wherein the backplane comprises a printed circuit board (PCB) or a waveguide.
The communication device according to claim 2 or 9, wherein the line card is orthogonal to the backplane, and the switch card is orthogonal to the backplane.
The communication device according to any one of claims 1 to 14, wherein the signal line between the first signal connector and the second signal connector includes at least one of the following:

Circuits, fibers, cables or waveguides in PCBs.
The communication device according to any one of claims 1 to 15, wherein the line card is orthogonal to the switch card.
A communication device, characterized in that it includes a plurality of switching cards and a plurality of line cards, the line cards are used for receiving or generating signals, and the switching cards are used for cross-scheduling the signals, wherein,

Each line card is provided with at least one first signal connector;

Each switch card is provided with at least one second signal connector;

Wherein, the second signal connector of at least one second switch card in the plurality of switch cards is connected with the first signal of at least two second line cards in the plurality of line cards via at least two second signal lines connected to the device.
The communication device according to claim 17, wherein the communication device further comprises at least one backplane, wherein the plurality of line cards are arranged on one side of the backplane,

The exchange card is arranged on the other side of the backplane,

the at least two second signal lines are arranged on the backplane,

The line card is fixed on the backplane through the first signal connector,

The exchange card is fixed on the backplane through the second signal connector.
The communication device according to claim 18, wherein a plurality of third signal connectors are provided on one side of each backplane, and a plurality of fourth signal connectors are provided on the other side of the backplane,

At least one first signal connector of each line card is matingly connected with at least one third signal connector;

At least one second signal connector of each switch card is matingly connected with at least one fourth signal connector.
The communication device according to claim 18 or 19, wherein the switch card includes a fifth side and a sixth side that are opposite to each other, and the backplane includes a seventh side and an eighth that are opposite to each other side, the second connector of the switch card is disposed adjacent to one of the fifth side and the sixth side,

The switch cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the switch cards in each row is the same as the direction of the seventh side,

The orientation of the second surface of the exchange card in the row of the at least two rows of the exchange cards closest to the seventh side is the same as the orientation of the second side of the exchange card in the row of the exchange cards closest to the eighth side in the at least two rows of the exchange cards. faces are oriented differently.
The communication device according to claim 18 or 19, wherein the switch card includes a fifth side and a sixth side that are opposite to each other, and the backplane includes a seventh side and an eighth that are opposite to each other side, the plurality of switch cards include a type C switch card and a type D switch card, the second connector of the type C switch card is configured to be close to one of the fifth side and the sixth side, the The second connector of the D-type switch card is arranged adjacent to the other of the fifth side and the sixth side,

The switch cards are arranged in at least two rows on the backplane, wherein the arrangement direction of the switch cards in each row is the same as the direction of the seventh side,

A column of exchange cards closest to the seventh side among the at least two columns of the exchange cards is a class C exchange card,

A column of exchange cards closest to the eighth side among the at least two columns of the exchange cards is a class D exchange card,

The orientation of the second surface of the exchange card in the row of the at least two rows of the exchange cards closest to the seventh side is the same as the orientation of the second side of the exchange card in the row of the exchange cards closest to the eighth side in the at least two rows of the exchange cards. face in the same orientation.
The communication device according to claim 20 or 21, wherein a projection of the plurality of switch cards on the arrangement plane of the backplane in the second direction is longer than the seventh length of the backplane The distance between the side and the eighth side, and the second direction is the direction of the distance between the seventh side and the eighth side.
The communication device of any one of claims 18 to 22, wherein the backplane comprises a printed circuit board (PCB) or a waveguide.
The communication device according to any one of claims 18 to 23, wherein the line card is orthogonal to the backplane, and the switch card is orthogonal to the backplane.
The communication device according to any one of claims 17 to 24, wherein the signal line between the first signal connector and the second signal connector includes at least one of the following:

Circuits, fibers, cables or waveguides in PCBs.
The communication device according to any one of claims 17 to 25, wherein the line card is orthogonal to the switch card.