CN203574651U - OLT device with redundancy protection - Google Patents
OLT device with redundancy protection Download PDFInfo
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- CN203574651U CN203574651U CN201320720007.1U CN201320720007U CN203574651U CN 203574651 U CN203574651 U CN 203574651U CN 201320720007 U CN201320720007 U CN 201320720007U CN 203574651 U CN203574651 U CN 203574651U
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- olt
- data processing
- processing module
- downlink data
- upstream data
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Abstract
The utility model discloses an OLT device with redundancy protection. An optical module is connected with an OLTMAC 1 and an OLTMAC 2. The OLTMAC 1 is connected with an OLT uplink data processing module 1 and an OLT downlink data processing module 1. The OLTMAC 2 is connected with an OLT uplink data processing module 2 and an OLT downlink data processing module 2. The OLT uplink data processing module 1, the OLT downlink data processing module 1, the OLT uplink data processing module 2 and the OLT downlink data processing module 2 are connected with a switching chip. The OLT uplink data processing module 1, the OLT downlink data processing module 1, the OLT uplink data processing module 2, the OLT downlink data processing module 2, the OLTMAC 1 and the OLTMAC 2 are connected with a state monitoring device. The OLT device has a redundancy management function and simple connection with an external device.
Description
Technical field
The utility model relates to the network equipment, relates in particular a kind of OLT equipment with redundancy protecting.
Background technology
As a kind of broadband access technology, EPON has started to enter the stage of large scale deployment, in the representative network structure of EPON system, comprises OLT, ONU, POS.OLT equipment is optical line terminal, for connecting the terminal equipment of fiber optic backbone, is generally arranged in central machine room.OLT is main control centre, realizes the function of network management.For the fail safe of system, especially, as the OLT of control centre, in whole EPON, adopt dual-host backup.Once main OLT lost efficacy, and enabled immediately secondary OLT.Arrange and exist defect like this, owing to being dual-host backup, need two OLT, not only cost need to double, and quite loaded down with trivial details with the connected mode of external equipment, wiring trouble.
Utility model content
The utility model provides a kind of OLT equipment with redundancy protecting, and it has Redundancy Management function, with low cost, and itself and external equipment syndeton are simple.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
There is the OLT equipment of redundancy protecting, it comprises optical module and exchange chip, on described optical module, be connected with OLT MAC1 and OLT MAC2, on described OLT MAC1, be connected with OLT upstream data processing module 1 and OLT downlink data processing module 1, on described OLT MAC2, be connected with OLT upstream data processing module 2 and OLT downlink data processing module 2, described OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2 and OLT downlink data processing module 2 are all connected on exchange chip, described OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2, OLT downlink data processing module 2, OLT MAC1 and OLT MAC2 are all connected on state monitoring apparatus.
Further technical scheme is:
As preferably, described state monitoring apparatus comprises signal supervisory instrument and control circuit.
Further, described OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2, OLT downlink data processing module 2, OLT MAC1 and OLT MAC2 are connected on signal supervisory instrument, and described OLT MAC1 is also connected with control circuit with OLT MAC2.
Compared with prior art, the beneficial effects of the utility model are:
1, the utlity model has function of redundancy protection, adopt OLT MAC1 and OLT MAC2 to carry out Redundancy Management, avoid only having an OLT to occur the impact of situation on whole network.
2, of the present utility model consistent with the connected mode of external equipment connected mode and separate unit OLT equipment, its wiring is simple.
3, of the present utility model simple in structure, than two OTL, install simultaneously, its low price, with low cost.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is theory diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Execution mode of the present utility model includes but not limited to the following example.
[embodiment]
The OLT equipment with redundancy protecting as shown in Figure 1, it comprises optical module and exchange chip, on described optical module, be connected with OLT MAC1 and OLT MAC2, on described OLT MAC1, be connected with OLT upstream data processing module 1 and OLT downlink data processing module 1, on described OLT MAC2, be connected with OLT upstream data processing module 2 and OLT downlink data processing module 2, described OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2 and OLT downlink data processing module 2 are all connected on exchange chip, described OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2, OLT downlink data processing module 2, OLT MAC1 and OLT MAC2 are all connected on state monitoring apparatus.In the utility model, OLT MAC, OLT upstream data processing module, OLT downlink data processing module are prior art, and OLT MAC is medium access controller.On the basis of existing technology, the utility model adopts two OLT MAC, i.e. OLT MAC1 and OLT MAC2; Utilize two OLT upstream data processing modules, i.e. OLT upstream data processing module 1 and OLT upstream data processing module 2; Adopt two OLT downlink data processing modules, i.e. OLT downlink data processing module 1 and OLT downlink data processing module 2.Utilize state monitoring apparatus to detect the state of OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2, OLT downlink data processing module 2, OLT MAC1 and OLT MAC2; when monitoring the wrong or no signal transmission of the signal of transmission of OLT upstream data processing module 1, OLT downlink data processing module 1 or OLT MAC1; control OLT upstream data processing module 2, OLT downlink data processing module 2 and OLT MAC2 and start working, realize redundancy protecting.The utility model is consistent with the connection of external equipment and the connected mode of existing OTL and external equipment, only need meet optical module and be connected with external equipment with exchange chip, and its connected mode is simple.
Described state monitoring apparatus comprises signal supervisory instrument and control circuit.Signal supervisory instrument is monitored the status signal transmission of OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2, OLT downlink data processing module 2, OLT MAC1 and OLT MAC2, by control circuit, the selection of signal line is controlled.
Described OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2, OLT downlink data processing module 2, OLT MAC1 and OLT MAC2 are connected on signal supervisory instrument, and described OLT MAC1 is also connected with control circuit with OLT MAC2.Control circuit is realized the control that signal line is selected; when signal supervisory instrument detects that signal transmission issues appears in OLT upstream data processing module 1, OLT downlink data processing module 1 or OLT MAC1; control circuit is controlled OLT MAC2 and is started working; now OLT MAC2, OLT upstream data processing module 2 and OLT downlink data processing module 2 signal lines of living in are started working, and realize redundancy protecting.
Be as mentioned above embodiment of the present utility model.The utility model is not limited to above-mentioned execution mode, and anyone should learn the structural change of making under enlightenment of the present utility model, every with the utlity model has identical or close technical scheme, within all falling into protection range of the present utility model.
Claims (3)
1. there is the OLT equipment of redundancy protecting, it comprises optical module and exchange chip, it is characterized in that: on described optical module, be connected with OLT MAC1 and OLT MAC2, on described OLT MAC1, be connected with OLT upstream data processing module 1 and OLT downlink data processing module 1, on described OLT MAC2, be connected with OLT upstream data processing module 2 and OLT downlink data processing module 2, described OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2 and OLT downlink data processing module 2 are all connected on exchange chip, described OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2, OLT downlink data processing module 2, OLT MAC1 and OLT MAC2 are all connected on state monitoring apparatus.
2. the OLT equipment with redundancy protecting according to claim 1, is characterized in that: described state monitoring apparatus comprises signal supervisory instrument and control circuit.
3. the OLT equipment with redundancy protecting according to claim 2; it is characterized in that: described OLT upstream data processing module 1, OLT downlink data processing module 1, OLT upstream data processing module 2, OLT downlink data processing module 2, OLT MAC1 and OLT MAC2 are connected on signal supervisory instrument, and described OLT MAC1 is also connected with control circuit with OLT MAC2.
Priority Applications (1)
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CN201320720007.1U CN203574651U (en) | 2013-11-15 | 2013-11-15 | OLT device with redundancy protection |
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CN201320720007.1U CN203574651U (en) | 2013-11-15 | 2013-11-15 | OLT device with redundancy protection |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103731202A (en) * | 2013-11-15 | 2014-04-16 | 成都市宏山科技有限公司 | OLT device with redundancy protection function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103731202A (en) * | 2013-11-15 | 2014-04-16 | 成都市宏山科技有限公司 | OLT device with redundancy protection function |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20141115 |
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EXPY | Termination of patent right or utility model |