CN106954102A - A kind of light back board subrack device - Google Patents
A kind of light back board subrack device Download PDFInfo
- Publication number
- CN106954102A CN106954102A CN201610013330.3A CN201610013330A CN106954102A CN 106954102 A CN106954102 A CN 106954102A CN 201610013330 A CN201610013330 A CN 201610013330A CN 106954102 A CN106954102 A CN 106954102A
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- Prior art keywords
- card
- back board
- light back
- optical
- switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/09—Frames or mounting racks not otherwise provided for
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4452—Distribution frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/02—Constructional details
- H04Q1/15—Backplane arrangements
- H04Q1/155—Backplane arrangements characterised by connection features
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
The application proposes a kind of light back board subrack device, is related to communication field, including：One layer or multilayer subrack and P light back board, it is described to include M switching card and L line card per straton frame, each switching card includes one or more optical connector or optical connector and electric connector, and each line card includes one or more optical connector or optical connector and electric connector；Each light back board both sides include one or more optical connector；Pass through the optical connector on the P light back board, every layer of M switching card is connected with all line cards of different layers so that at least one light connects passage between the corresponding all optical connectors of line card all optical connectors corresponding with switching card in different layers subrack；Improve the facility of optical signal connection.
Description
Technical field
The present invention relates to the OTN in communication field (Optical Transport Network, Optical Transmission Network OTN
Network), PTN (Packet Transport Network, packet transmission networks), router etc. is using concentrating
Exchange intersect (Central Switch) structure communication apparatus, and in particular to a kind of light back board subrack device.
Background technology
As the demand that thing is interconnected is more and more stronger, the development of internet is more and swifter and more violent, substantial amounts of business
Transmitted immediately between different websites, these exchange capacities to switching equipment in network propose more next
Higher requirement.And based on OTN, PTN, IP (Internet Protocol, Internet protocol) neck
The concentration switching equipment in domain, mainly realizes the high speed between each business board and power board by backboard cabling
Interconnection.
And be big by one piece when realizing the high speed interconnection concentrated and intersect equipment using light back board technology at present
Light back board realizes that high-speed optical signal is interconnected, and such as uses light guiding plate as light back board, line card or exchange cartoon
Cross that the 90 ° of speculums installed on light back board are vertical with light back board to be connected, but the installation not side of this speculum
Just, Insertion Loss is big, is unfavorable for the realization of Large Copacity light back board.
In view of this, Patent No. CN101882955A《Optical back plate interconnection system and communication equipment》,
It is required that business board is orthogonal with before and after switching card, it is joined directly together by waveguide connector, do not expose letter on backboard
Number.Back plate design is fairly simple, but in Large Copacity subrack, the switching card of this design requirement behind
It is oversize, it is necessary to cover the design difficulty that switching card is undoubtedly added from the low side of subrack to top and production,
Installation difficulty.
Patent No. US6823100 B1's《Optical backplane for use with a
communications equipment chassis and method of operation therefor》, based on 3D
(three dimensional, three-dimensional) MEMS (MicroElectro Mechanical System, microcomputer
Electric system) speculum, by the incident mirror of adjustable angle installed on frame door, principal reflection mirror, anti-
Mirror is penetrated, receiving-transmitting chain is set up, free space optical interconnection is realized.The light network that this light back board technology is realized
It is unstable, it is thousands of to optical interconnection circuit, this skill especially inside the intersection subrack of Large Copacity
Art stable light network difficult to realize.
The content of the invention
The present invention is in order to solve the above problems, it is proposed that a kind of light back board subrack device, overcomes existing skill
Being required when realizing light back board connection in art has 90 ° of optical signal turnovers and causes light Insertion Loss big, and directly
Make line card and switching card square crossing light connects and cause the excessive shortcoming of light switching card.
In order to realize foregoing invention purpose, the technical scheme that the present invention takes is as follows：
A kind of light back board subrack device, including：One layer or multilayer subrack and P light back board, it is described every
Straton frame includes M switching card and L line card, and each switching card connects including one or more light
Device or optical connector and electric connector are connect, each line card includes one or more optical connector or light
Connector and electric connector；Each light back board both sides include one or more optical connector；Pass through
Optical connector on the P light back board, by all line card phases of every layer of M switching card and different layers
Even so that the corresponding all optical connectors of line card all light corresponding with switching card in different layers subrack
At least one light connects passage between connector；Also,
, will be every by the optical connector on the optical connector and switching card and line card on the P light back board
M switching card of layer is connected with L line card so that the corresponding all light of line card in same layer subrack
At least one light connects passage between connector all optical connectors corresponding with switching card；Or, lead to
The optical connector on switching card or the optical connector on electric connector and line card or electric connector are crossed, by every layer
M switching card be connected with L line card so that the corresponding all light of line card in same layer subrack connect
Connect at least one light between device or electric connector corresponding with switching card all optical connectors or electric connector
Connector passage or electrical connecting passage；Wherein M, N, P are positive integer.
Preferably, the light back board number P is equal to every layer of switching card number M.
Preferably, the corresponding all optical connectors of the line card institute corresponding with switching card in same layer subrack
There is optical connector to be connected.
Preferably, the M switching card is perpendicular inserts in every straton frame, and the L line card is horizontal to insert in every straton
Frame.
Preferably, the optical connector on each light back board is divided into and the subrack identical number of plies, light
Backboard connects L line card of residing subrack current layer by every layer of optical connector, and passes through every layer
The switching card of the residing subrack current layer of optical connector connection.
Preferably, the optical connector of each connecting wire card is connected switching card with all layers on the light back board
Optical connector is connected, or the optical connector of the connecting wire card in different layers and connection on the light back board
The optical connector of switching card is connected.
Preferably, the light back board includes optical fiber soft board light back board and optical waveguide optical backboard, the light connects
Device includes：The mechanical transfer MT joints of optical fibre and/or multicore multichannel plug MPO optical fiber connector.
Preferably, light back board is directly connected with line card by edges of boards edge, and light back board passes through edges of boards with switching card
Edge is connected or the edges of boards edge of light back board is connected in the plate of switching card.
Preferably, one piece of line card connects the friendship of all layers of same row by the optical connector of one piece of light back board
Change card；Or one piece of line card passes through the optical connector of light back board and the electric connector of its edges of boards or optical connector
The switching card of the same row of all layers of connection；Also, the light connects that one piece of line card passes through all light back boards
Device connects all layers of all switching cards；Or the optical connector that one piece of line card passes through all light back boards
All layers of all switching cards are connected with the electric connector or optical connector of its edges of boards.
Preferably, one piece of switching card connects all layers of line card by the optical connector of one piece of light back board；Or
One piece of line card of person is connected by the optical connector of one piece of light back board and the electric connector of its edges of boards or optical connector
All layers of line card.
Compared to the prior art the present invention, has the advantages that：
The light back board subrack device of the present invention is one or more layers perpendicular slotting switching card, the light back of the body in the one side of subrack
Plate is parallel with switching card overlapping or is directly connected to, and the another side of subrack is whole horizontal slotting line cards, line card
It is joined directly together with switching card with the link of layer by electric connector or optical connector or light back board is connected, line card
It is not connected with switching card in the link of same layer by light back board, using light back board connecting wire card and switching card,
So that between all line cards and all switching cards, at least one connecting path is realized between any line card
Data dispatch, can both realize the high power capacity of subrack system, again can lifting system integrated level, make line card,
The capacity of switching card is not limited by interconnection interface, and can reach the effect for saving subrack depth, is improved
The facility of optical signal connection, it is possible to decrease the cost of system, the design such as the radiating of also non-system is provided convenience.
Brief description of the drawings
Fig. 1 is the signal connection figure between the line card of the embodiment of the present invention and switching card；
Fig. 2 is three-dimensional structure diagram in the subrack of the embodiment of the present invention 1；
Fig. 3 is the subrack front and back panel of the embodiment of the present invention 1, light back board, line card, the design of switching card
Schematic diagram；
Fig. 4 is three-dimensional structure diagram in the subrack of the embodiment of the present invention 2；
Fig. 5 is the subrack front and back panel of the embodiment of the present invention 2, light back board, line card, the design of switching card
Schematic diagram；
Fig. 6 is three-dimensional structure diagram in the subrack of the embodiment of the present invention 3；
Fig. 7 is the subrack front and back panel of the embodiment of the present invention 3, light back board, line card, the design of switching card
Schematic diagram；
Fig. 8 is three-dimensional structure diagram in the subrack of the embodiment of the present invention 4；
Fig. 9 is the subrack front and back panel of the embodiment of the present invention 4, light back board, line card, the design of switching card
Schematic diagram；
Figure 10 is three-dimensional structure diagram in the subrack of the embodiment of the present invention 5；
Figure 11 is the subrack front and back panel of the embodiment of the present invention 5, light back board, line card, the design of switching card
Schematic diagram.
Embodiment
To make the goal of the invention, technical scheme and beneficial effect of the present invention of greater clarity, with reference to
Accompanying drawing is illustrated to embodiments of the invention, it is necessary to explanation is, in the case where not conflicting, this Shen
Please in embodiment and embodiment in feature can mutually be combined.
As shown in figure 1, the embodiment of the present invention provides a kind of light back board subrack device, including：
One layer or multilayer subrack and P light back board,
It is described to include M switching card and L line card per straton frame, each switching card including one or
The multiple optical connectors of person or optical connector and electric connector, each line card include one or more light
Connector or optical connector and electric connector；Each light back board both sides connect including one or more light
Connect device；
By the optical connector on the P light back board, by the institute of every layer of M switching card and different layers
There is line card to be connected so that the corresponding all optical connectors of line card in different layers subrack are corresponding with switching card
All optical connectors between at least one light connects passage；Also,
, will be every by the optical connector on the optical connector and switching card and line card on the P light back board
M switching card of layer is connected with L line card so that the corresponding all light of line card in same layer subrack
At least one light connects passage between connector all optical connectors corresponding with switching card；Or, lead to
The optical connector on switching card or the optical connector on electric connector and line card or electric connector are crossed, by every layer
M switching card be connected with L line card so that the corresponding all light of line card in same layer subrack connect
Connect at least one light between device or electric connector corresponding with switching card all optical connectors or electric connector
Connector passage or electrical connecting passage；Wherein M, N, P are positive integer.
The embodiment of the present invention is by the optical connector on the P light back board, by every layer of M switching card
It is connected with L line card so that line card corresponding all optical connectors and switching card in same layer subrack
At least one light connects passage between corresponding all optical connectors (or by the P light back board
Optical connector and switching card and line card on optical connector or electric connector, by every layer of M switching card
It is connected with L line card so that line card corresponding all electric connectors and switching card in same layer subrack
At least one electrical connecting passage between corresponding all electric connectors)；By on the P light back board
Optical connector, every layer of M switching card is connected with L line card so that in different layers subrack
At least one light connects between the corresponding all optical connectors of line card all optical connectors corresponding with switching card
Road is connected, wherein M, N, P is positive integer.
As shown in figure 1, being the signal connection figure between the line card and switching card of the embodiment of the present invention.Line card
Incoming traffic is split as multiple signals, each switching card is given respectively, or each switching card is exchanged
The multiple signals come synthesize a business and externally exported；The signal purpose that switching card is sent according to input line card
Port, by signal exchange to corresponding output line card；Light back board realizes the light between line card and switching card
Signal is connected.
Subrack is made up of one or more layers, and front is horizontal slotting line card, and the back side is perpendicular slotting switching card, the light back of the body
Plate is parallel with switching card overlapping or is joined directly together, and each layer of switching card number is identical with light back board number.
Line card, switching card, there is optical connector on light back board, line card and switching card realize that light connects by light back board
Connect.Meanwhile, there can also be optical connector on line card and switching card, realization is straight with the line card and switching card of layer
Connect light network；Or can also have electric connector on line card and switching card, realize the line card with layer and exchange
Card is directly electrically interconnected.
The light back board number P is equal to every layer of switching card number M.
The corresponding all optical connectors of line card all light connects corresponding with switching card in same layer subrack
Device is connected.
The M switching card is perpendicular to insert in every straton frame, and the L line card is horizontal to insert in every straton frame.
Optical connector on each light back board is divided into be passed through with the subrack identical number of plies, light back board
L line card of every layer of the residing subrack current layer of optical connector connection, and pass through every layer of optical connector
The switching card of the residing subrack current layer of connection.
For the layering of each light back board, optical connector thereon is set according to layer and divided, with
Just each veneer in each layer is connected.
The optical connector of each connecting wire card is connected the optical connector of switching card with all layers on the light back board
Be connected, or on the light back board in different layers connecting wire card optical connector with being connected switching card
Optical connector is connected.
The light back board includes optical fiber soft board light back board and optical waveguide optical backboard, and the optical connector includes：
MT (Mechanical Transfer, the mechanical transfer) joints of optical fibre and/or multicore multichannel plug MPO
(Multi-fiber Push On) joints of optical fibre.
Preferably, light back board is directly connected with line card by edges of boards edge, and light back board passes through edges of boards with switching card
Edge is connected or the edges of boards edge of light back board is connected in the plate of switching card.
One piece of line card connects the switching card of all layers of same row by the optical connector of one piece of light back board；Or
One piece of line card of person connects all by the optical connector of light back board and the electric connector of its edges of boards or optical connector
The switching card of the same row of layer；Also, one piece of line card connects institute by the optical connector of all light back boards
There are all switching cards of layer；Or the optical connector and its edges of boards that one piece of line card passes through all light back boards
Electric connector or optical connector connect all layers of all switching cards.
One piece of switching card connects all layers of line card by the optical connector of one piece of light back board；Or one piece of line
Card connects all layers by the optical connector of one piece of light back board and the electric connector of its edges of boards or optical connector
Line card.
As shown in figure 1, light back board subrack device principal character provided in an embodiment of the present invention is as follows：
1) subrack is divided into front and back or the back side, and two, towards plug-in card inside subrack, are divided into N from top to bottom
Layer (N>=1, integer)；
2) each layer at the subrack back side is perpendicular slotting switching card, every layer of perpendicular slotting M block switching cards (M>=1, it is whole
Number).Switching card has one or more optical connectors (such as MT, MPO in the edges of boards of its panel opposite side
Deng connector) or electric connector, or in board memory in one or more optical connectors (such as MT, MPO
Deng connector)；
3) each layer before subrack is whole horizontal slotting line cards, every layer of horizontal slotting N blocks line card (N>=1,
Integer).Line card has one or more optical connectors (such as MT, MPO in the edges of boards of its panel opposite side
Deng connector) or optical connector (such as MT, MPO connector) and electric connector；
4) there is light back board number P in P block light back boards, the embodiment of the present invention perpendicular equal to every layer slotting inside subrack
Switching card number M.Light back board is close with the whole height of business board accumulation all inside subrack, its
On optical connector and subrack be divided into the same number of plies；There are some optical signal connectors light back board both sides (such as
The connectors such as MT, MPO), its side connects all line cards before subrack by optical connector, its
Opposite side connects 1 piece of switching card in the same vertical each layer in the subrack back side by optical connector.
5) inside light back board, the connector that the optical connector of line card side can be with all layers of switching card side
Whole interconnections (as shown in the light back board connection figure in Fig. 7)；Or the light of the same layer of line card side
Whole interconnection (the light back boards in such as Fig. 3 of optical connector of connector and the different layers of switching card side
Shown in connection figure)；
6) light back board and switching card be when being installed to subrack, in parallel overlapping or in same side
To being joined directly together；
7) line card and switching card be in link of the subrack with layer by the electric connector on the two edges of boards or
Optical connector is joined directly together or is connected by light back board；
8) line card is not connected with switching card in the link of same layer by light back board.
Wherein, light back board can be the light back board of optical fiber soft board composition or the light of fiber waveguide composition
Backboard, includes optical port thereon, can also be and adds the company with certain length optical fiber by first two plate
Device is connect fixed to the whole widget for realizing light back board function of formation on structural member.
The method of link connection between subrack inner exchanging card and line card is as follows：
(1) when only light back board is interconnected between line card and switching card：
1) optical connector of switching card can be in plate, and now the annexation of light back board and switching card is flat
Row is overlapping；The optical connector of switching card can be in edges of boards, and now the annexation of light back board and switching card is same
One direction is joined directly together；
2) optical connector being connected on line card only with light back board；
3) in light back board, all optical connectors of line card side and all light of switching card side same layer
At least one light connects passage between connector；
(2) when having light back board and electric connector or optical connector between line card and switching card,
1) optical connector of switching card is in plate, and light back board is parallel overlapping with the annexation of switching card；
Switching card has the electric connector or optical connector being joined directly together with line card in edges of boards；
2) the existing optical connector being connected with light back board on line card, also has and the direct phase of switching card edges of boards
Corresponding electric connector or optical connector even；
3) in light back board, all optical connectors of the same layer of line card side and the different layers of switching card side
Each layer of optical connector between at least one light connects passage；
4) line card and switching card are direct by the electric connector or optical connector positioned at edges of boards with the link of layer
It is connected；
5) line card is not connected with switching card in the link of same layer by light back board.
The embodiment of the present invention can have the advantages that：
1) the port integrated level of optical backplane connector is high, and a port can include light chain more than dozens of
Road, can simplify the port design interconnected between veneer；
2) light back board overlapping installation parallel with switching card, can reduce the space of cabinet depth, can save machine
It can increase the exchange capacity of system under room space, or equal space；
3) optical link loss is small, insensitive to the optical signal rate of transmission, it is ensured that 25/28Gbps and with
The transmission of upper speed backplane signal；
4) line card and switching card be in different subrack device sides, during normal work operation maintenance personnel need not pair
Face where switching card is operated.
The implementation to technical scheme is described in further detail below in conjunction with the accompanying drawings：
Embodiment 1：
Line card and the whole light path connections of switching card, the link with layer are joined directly together by light connects, different layers
Link by light back board be connected.
As shown in Figure 2, the subrack back side is one or more layers perpendicular slotting switching card, and front is all horizontal slotting
Line card, light back board is parallel with switching card overlapping, and line card and switching card are straight by optical connector with the link of layer
Connect connected, line card is not connected with switching card in the link of same layer by light back board.
In Fig. 3, by taking 2 layers of subrack as an example, a be subrack front, whole horizontal line interpolation cards, b is subrack
Behind, all perpendicular to insert switching card, dotted line frame therein is light back board, inside switching card, with friendship
Change card parallel overlapping, c is light back board, d is line card, and e is switching card.Subrack is respectively put for two layers above and below front
32 line cards are put, line card there are 8 optical connectors in backboard side, wherein 4 connections, 4 pieces of light back boards, separately
Outer 4 are directly connected to same 4 switching card of layer, connect the optical connector of light back board and the light of connection switching card
Connector is put successively.And having 2 row's optical connectors on switching card, a row is directly connecting positioned at edges of boards
The optical connector of wiring card, it is directly connected to each line card of this switching card with layer, is total up to 32 light connects
Device；One row is the optical connector for the connection light back board being located in plate, and it connects different layers by light back board
Other line cards, as shown in e in Fig. 3, are total up to what is included in 16 optical connectors, each optical connector
Optical channel number is 2 times of edges of boards optical connector.And light back board is designed also based on 2 layers, in such as 3
Shown in c, the both sides of light back board are distinguished on connecting wire card and switching card, the optical connector of upper strata connecting wire card
Optical signal be all connected on the optical connector of connection switching card of lower floor, the light of lower floor's connecting wire card connects
The optical signal on device is connect to be all connected on the optical connector of connection switching card on upper strata.Light back board is about son
The whole height of frame, it is arranged on inside switching card.When mounted, light back board is first installed, then inserted again
Enter switching card, you can connect switching card with light back board.
Such a design can reduce the optical channel quantity of half on light back board, if 3 layers of subrack, then may be used
The optical channel quantity of reduction 1/3, can simplify the design of light back board, reduce the cost of light back board.
Embodiment 2：
Line card and switching card are by photoelectricity Hybrid connections, and the link with layer is by electric connector (in Fig. 4
Black connector) it is joined directly together, by light back board, (optical connector is white in Fig. 4 to the link of different layers
Connector) be connected.
As shown in Figure 4, the subrack back side is one or more layers perpendicular slotting switching card, and front is all horizontal slotting
Line card, light back board is parallel with switching card overlapping, and line card and switching card are straight by electric connector with the link of layer
Connect connected, line card is not connected with switching card in the link of same layer by light back board.
In Fig. 5, by taking 2 layers of subrack as an example, two layers of each placement, 32 line cards above and below front, line card is in the back of the body
There are 8 connectors plate side, wherein 4 optical connectors connect 4 pieces of light back boards, 4 electric connector connections 4
Individual switching card, the electric connector of the optical connector and connection switching card that connect light back board is put successively.And
There are 2 row's connectors on switching card, a row is the electric connector for being directly connected to line card positioned at edges of boards, and its is straight
Each line card of this switching card with layer is connect in succession, and a row is the optical connector for the connection light back board being located in plate,
It connects other line cards of different layers by light back board.And the optical connector on light back board enters also based on 2 layers
On row design, the both sides difference connecting wire card and switching card of light back board, the optical connector of upper strata connecting wire card
Optical signal be all connected on the optical connector of connection switching card of lower floor, the light of lower floor's connecting wire card connects
The optical signal on device is connect to be all connected on the optical connector of connection switching card on upper strata.Light back board is subrack
Whole height, its be arranged on switching card inside.When mounted, light back board is first installed, is then inserted into
Switching card, you can connect switching card with light back board.
Such a design can reduce the optical channel quantity of half on light back board, if 3 layers of subrack, then may be used
The optical channel quantity of reduction 1/3, can simplify the design of light back board, reduce the cost of light back board.With layer
Using electrically connecting between line card and switching card, the data interaction of given pace can be ensured in a certain distance.
Embodiment 3：
Line card and switching card all carry out light path connection by light back board, and light back board is overlapping with switching card.
As shown in Figure 6, the subrack back side is one or more layers perpendicular slotting switching card, and front is all horizontal slotting
Line card, light back board is parallel with switching card overlapping, and line card and switching card are all logical with the link of layer and different layers
Light back board is crossed to be connected.
In Fig. 7, by taking 2 layers of subrack as an example, two layers of each placement, 32 line cards above and below front, line card is in the back of the body
There are 4 optical connectors plate side, and this 4 optical connectors connect 4 pieces of light back boards.There is 1 row on switching card
Connector, this row is the optical connector for the connection light back board being located in plate, and it connects institute by light back board
There is the line card of layer.And light back board is designed also based on 2 layers, the both sides of light back board difference connecting wire card and
The optical connector of the switching card of optical signal and levels on switching card, the optical connector of upper strata connecting wire card
There is connection.Light back board is the whole height of subrack, and it is arranged on inside switching card.When mounted, first
Light back board is installed, switching card is then inserted into, you can connect switching card with light back board.
Embodiment 4：
Line card and switching card all carry out light path connection by light back board, and light back board is joined directly together with switching card.
As shown in Figure 8, the subrack back side is one or more layers perpendicular slotting switching card, and front is all horizontal slotting
Line card, light back board and switching card are joined directly together, and line card and switching card are all logical with the link of layer and different layers
Light back board is crossed to be connected.
In Fig. 9, by taking 2 layers of subrack as an example, two layers of each placement, 32 line cards above and below front, line card is in the back of the body
There are 4 optical connectors plate side, and this 4 optical connectors connect 4 pieces of light back boards.There is 1 row on switching card
Connector, this row is the optical connector of the connection light back board positioned at edges of boards edge, and it is connected by light back board
Other line cards of different layers.And light back board is designed also based on 2 layers, the both sides of light back board are connected respectively
The light of the switching card of optical signal and levels on line card and switching card, the optical connector of upper strata connecting wire card
Connector has connection.Light back board is the whole height of subrack, and it is arranged on inside switching card.Installing
When, light back board is first installed, switching card is then inserted into, you can connects switching card with light back board.
Embodiment 5：
Line card and switching card all carry out light path connection by light back board, and light back board is overlapping with switching card, and
Only one layer switching card.
As shown in Figure 10, the subrack back side is one layer of perpendicular slotting switching card, and front is whole horizontal slotting line cards,
Light back board is parallel with switching card overlapping, and line card is all connected with the link of switching card by light back board.
In Figure 11,64 line cards are placed in front altogether, and line card has 4 optical connectors in backboard side, and this 4
Individual optical connector connects 4 pieces of light back boards.There is 1 row's connector on switching card, this row is located in plate
Connection light back board optical connector, it connects all line cards by light back board.And light back board also based on
1 layer is designed, the both sides optical connector difference connecting wire card and switching card of light back board, the connection on both sides
The direct point-to-point interconnection of optical link between device.Light back board is the whole height of subrack, and it, which is arranged on, exchanges
Card is internal, and the Capacity design plate size and height that switching card can be exchanged as needed, it is not necessary to for whole son
Frame is highly.When mounted, light back board is first installed, switching card is then inserted into, you can by switching card and light
Backboard is connected.So, you can ensure the connection of light-path, the design that can also reduce light power board is difficult
Degree and manufacture difficulty.
Although disclosed embodiment is as above, its content is only to facilitate understand the present invention
Technical scheme and the embodiment that uses, be not intended to limit the present invention.Technology belonging to any present invention
Technical staff in field, can be with the premise of disclosed core technology scheme is not departed from
Any modification and change, but the protection domain that the present invention is limited are made in the form and details of implementation, still
The scope that must be limited by appending claims is defined.
Claims (10)
1. a kind of light back board subrack device, it is characterised in that including：One layer or multilayer subrack and P
Individual light back board, described to include M switching card and L line card per straton frame, each switching card includes
One or more optical connector or optical connector and electric connector, each line card include one or
Multiple optical connectors or optical connector and electric connector；Each light back board both sides include one or many
Individual optical connector；By the optical connector on the P light back board, by every layer of M switching card and not
All line cards with layer are connected so that the corresponding all optical connectors of line card in different layers subrack are with handing over
Change at least one light connects passage between the corresponding all optical connectors of card；Also,
, will be every by the optical connector on the optical connector and switching card and line card on the P light back board
M switching card of layer is connected with L line card so that the corresponding all light of line card in same layer subrack
At least one light connects passage between connector all optical connectors corresponding with switching card；Or, lead to
The optical connector on switching card or the optical connector on electric connector and line card or electric connector are crossed, by every layer
M switching card be connected with L line card so that the corresponding all light of line card in same layer subrack connect
Connect at least one light between device or electric connector corresponding with switching card all optical connectors or electric connector
Connector passage or electrical connecting passage；Wherein M, N, P are positive integer.
2. device as claimed in claim 1, it is characterised in that：The light back board number P is equal to every
The switching card number M of layer.
3. device as claimed in claim 1, it is characterised in that：Line card correspondence in same layer subrack
All optical connectors all optical connectors corresponding with switching card be connected.
4. device as claimed in claim 1, it is characterised in that：The M switching card is perpendicular to be inserted in often
Straton frame, the L line card is horizontal to insert in every straton frame.
5. device as claimed in claim 2, it is characterised in that the light connects on each light back board
Device is divided into be connected residing subrack by every layer of optical connector and works as with the subrack identical number of plies, light back board
L line card of front layer, and the switching card of the residing subrack current layer of optical connector connection by every layer.
6. device as claimed in claim 4, it is characterised in that each connecting wire card on the light back board
Optical connector the optical connector of switching card be connected with all layers be connected, or in not on the light back board
Optical connector with the connecting wire card of layer is connected with being connected the optical connector of switching card.
7. device as claimed in claim 1, it is characterised in that：The light back board includes optical fiber soft board light
Backboard and optical waveguide optical backboard, the optical connector include：The mechanical transfer MT joints of optical fibre and/or many
Core multichannel plugs MPO optical fiber connector.
8. device as claimed in claim 1, it is characterised in that：Light back board directly passes through edges of boards with line card
Edge is connected, and light back board is connected with switching card by edges of boards edge or the edges of boards edge of light back board is connected to switching card
In plate.
9. device as claimed in claim 1, it is characterised in that：One piece of line card passes through one piece of light back board
Optical connector connects the switching card of all layers of same row；Or the light connects that one piece of line card passes through light back board
The electric connector or optical connector of device and its edges of boards connect the switching card of all layers of same row；Also, one
Block line card connects all layers of all switching cards by the optical connector of all light back boards；Or one piece
Line card connects all by the optical connector of all light back boards and the electric connector of its edges of boards or optical connector
All switching cards of layer.
10. device as claimed in claim 1, it is characterised in that：One piece of switching card is carried on the back by one block of light
The optical connector of plate connects all layers of line card；Or the optical connector that one piece of line card passes through one piece of light back board
All layers of line card is connected with the electric connector or optical connector of its edges of boards.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013330.3A CN106954102B (en) | 2016-01-06 | 2016-01-06 | Optical back plate sub-frame device |
| PCT/CN2017/070172 WO2017118388A1 (en) | 2016-01-06 | 2017-01-04 | Optical backplane sub-rack device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610013330.3A CN106954102B (en) | 2016-01-06 | 2016-01-06 | Optical back plate sub-frame device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106954102A true CN106954102A (en) | 2017-07-14 |
| CN106954102B CN106954102B (en) | 2021-05-07 |
Family
ID=59274160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610013330.3A Active CN106954102B (en) | 2016-01-06 | 2016-01-06 | Optical back plate sub-frame device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106954102B (en) |
| WO (1) | WO2017118388A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212953A (en) * | 2019-06-03 | 2019-09-06 | 南京濠暻通讯科技有限公司 | A kind of double-layer back plate structure |
| WO2019218534A1 (en) * | 2018-05-18 | 2019-11-21 | 烽火通信科技股份有限公司 | Optical backplane interconnection system |
| WO2020135419A1 (en) * | 2018-12-26 | 2020-07-02 | 中兴通讯股份有限公司 | Optical backplane system and electrical signal transmission method |
| CN111788872A (en) * | 2017-08-30 | 2020-10-16 | 阿瑞斯塔网络公司 | Distributed core switch with orthogonal fabric cards and line cards |
| CN112636083A (en) * | 2020-12-14 | 2021-04-09 | 中航光电科技股份有限公司 | Integrated connector and socket for differential, radio frequency and optical composite board |
| CN112670750A (en) * | 2020-12-14 | 2021-04-16 | 中航光电科技股份有限公司 | Photoelectric integrated link and implementation device thereof |
| CN113572531A (en) * | 2020-04-29 | 2021-10-29 | 中兴通讯股份有限公司 | Optical interconnection system |
| CN114079211A (en) * | 2020-08-13 | 2022-02-22 | 华为技术有限公司 | Communication device |
| US11601734B2 (en) | 2019-04-11 | 2023-03-07 | Arista Networks, Inc. | Network device with compact chassis |
| WO2023083126A1 (en) * | 2021-11-12 | 2023-05-19 | 华为技术有限公司 | Optical backplane switching method and optical communication device |
| US11737204B2 (en) | 2019-09-18 | 2023-08-22 | Arista Networks, Inc. | Linecard system using riser printed circuit boards (PCBS) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109842445B (en) * | 2017-11-29 | 2021-02-05 | 华为技术有限公司 | Optical backplane system, switching system and upgrading method thereof |
| CN117097400A (en) * | 2022-05-13 | 2023-11-21 | 华为技术有限公司 | Optical communication method and related device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6823100B1 (en) * | 2001-08-27 | 2004-11-23 | Incucomm, Inc. | Optical backplane for use with a communications equipment chassis and method of operation therefor |
| CN101882955A (en) * | 2010-04-26 | 2010-11-10 | 华为技术有限公司 | Optical back plate interconnection system and communication equipment |
| CN102809784A (en) * | 2011-06-02 | 2012-12-05 | 富士康(昆山)电脑接插件有限公司 | Light back plate assembly |
| US20140169733A1 (en) * | 2012-12-14 | 2014-06-19 | Hon Hai Precision Industry Co., Ltd. | Optical module |
| CN104902352A (en) * | 2015-05-14 | 2015-09-09 | 烽火通信科技股份有限公司 | Large-capacity cluster equipment with multiple business frames and exchange frames |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100550880C (en) * | 2006-11-30 | 2009-10-14 | 杭州华三通信技术有限公司 | The middle backboard of communication equipment |
| CN102307142B (en) * | 2011-08-19 | 2018-08-17 | 南京中兴新软件有限责任公司 | Back board system |
| CN103901549A (en) * | 2012-12-28 | 2014-07-02 | 富士康(昆山)电脑接插件有限公司 | Light backboard assembly |
-
2016
- 2016-01-06 CN CN201610013330.3A patent/CN106954102B/en active Active
-
2017
- 2017-01-04 WO PCT/CN2017/070172 patent/WO2017118388A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6823100B1 (en) * | 2001-08-27 | 2004-11-23 | Incucomm, Inc. | Optical backplane for use with a communications equipment chassis and method of operation therefor |
| CN101882955A (en) * | 2010-04-26 | 2010-11-10 | 华为技术有限公司 | Optical back plate interconnection system and communication equipment |
| CN102809784A (en) * | 2011-06-02 | 2012-12-05 | 富士康(昆山)电脑接插件有限公司 | Light back plate assembly |
| US20140169733A1 (en) * | 2012-12-14 | 2014-06-19 | Hon Hai Precision Industry Co., Ltd. | Optical module |
| CN104902352A (en) * | 2015-05-14 | 2015-09-09 | 烽火通信科技股份有限公司 | Large-capacity cluster equipment with multiple business frames and exchange frames |
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|---|---|---|---|---|
| CN111788872B (en) * | 2017-08-30 | 2021-09-28 | 阿瑞斯塔网络公司 | Network device with orthogonal structure card and line card and assembling or maintaining method thereof |
| CN111788872A (en) * | 2017-08-30 | 2020-10-16 | 阿瑞斯塔网络公司 | Distributed core switch with orthogonal fabric cards and line cards |
| WO2019218534A1 (en) * | 2018-05-18 | 2019-11-21 | 烽火通信科技股份有限公司 | Optical backplane interconnection system |
| WO2020135419A1 (en) * | 2018-12-26 | 2020-07-02 | 中兴通讯股份有限公司 | Optical backplane system and electrical signal transmission method |
| US11601734B2 (en) | 2019-04-11 | 2023-03-07 | Arista Networks, Inc. | Network device with compact chassis |
| CN110212953A (en) * | 2019-06-03 | 2019-09-06 | 南京濠暻通讯科技有限公司 | A kind of double-layer back plate structure |
| US11737204B2 (en) | 2019-09-18 | 2023-08-22 | Arista Networks, Inc. | Linecard system using riser printed circuit boards (PCBS) |
| CN113572531A (en) * | 2020-04-29 | 2021-10-29 | 中兴通讯股份有限公司 | Optical interconnection system |
| CN114079211B (en) * | 2020-08-13 | 2023-02-28 | 华为技术有限公司 | Communication device |
| CN114079211A (en) * | 2020-08-13 | 2022-02-22 | 华为技术有限公司 | Communication device |
| CN112636083A (en) * | 2020-12-14 | 2021-04-09 | 中航光电科技股份有限公司 | Integrated connector and socket for differential, radio frequency and optical composite board |
| CN112670750B (en) * | 2020-12-14 | 2022-03-29 | 中航光电科技股份有限公司 | Photoelectric integrated link and implementation device thereof |
| CN112636083B (en) * | 2020-12-14 | 2022-03-29 | 中航光电科技股份有限公司 | Integrated connector and socket for differential, radio frequency and optical composite board |
| CN112670750A (en) * | 2020-12-14 | 2021-04-16 | 中航光电科技股份有限公司 | Photoelectric integrated link and implementation device thereof |
| WO2023083126A1 (en) * | 2021-11-12 | 2023-05-19 | 华为技术有限公司 | Optical backplane switching method and optical communication device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106954102B (en) | 2021-05-07 |
| WO2017118388A1 (en) | 2017-07-13 |
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