CN202949434U - Comprehensive access terminal based on synchronous digital hierarchy (SDH) - Google Patents
Comprehensive access terminal based on synchronous digital hierarchy (SDH) Download PDFInfo
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- CN202949434U CN202949434U CN 201220581372 CN201220581372U CN202949434U CN 202949434 U CN202949434 U CN 202949434U CN 201220581372 CN201220581372 CN 201220581372 CN 201220581372 U CN201220581372 U CN 201220581372U CN 202949434 U CN202949434 U CN 202949434U
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- 230000001360 synchronised effect Effects 0.000 title abstract description 5
- DWSYCUKCNSVBRA-UHFFFAOYSA-N 4-(5-methylsulfonyltetrazol-1-yl)phenol Chemical compound CS(=O)(=O)C1=NN=NN1C1=CC=C(C=C1)O DWSYCUKCNSVBRA-UHFFFAOYSA-N 0.000 claims description 21
- 101710167643 Serine/threonine protein phosphatase PstP Proteins 0.000 claims description 21
- 238000013501 data transformation Methods 0.000 claims description 6
- 238000007726 management method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000003287 optical effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
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Abstract
The utility model relates to a comprehensive access terminal based on an SDH. The comprehensive access terminal is characterized by comprising a central processing unit (CPU), an SDH/multi-service transport platform (MSTP) processing module, an Ethernet exchange chip, a V.35 module and a bus control module, wherein the CPU is connected with the SDH/MSTP processing module and the bus control module respectively to achieve a control function, the SDH/MSTP processing module is connected with a synchronous transport module (STM)-1 to achieve a synchronous data exchange function, the SDH/MSTP processing module is connected with the Ethernet exchange chip to achieve an Ethernet data exchange function, the SDH/MSTP processing module is connected with the V.35 module to achieve a V.35 data transmission function and connected with the bus control module, and the bus control module is connected with a business interface card to achieve IP business, E1 business or 64KPCM data transmission functions. The comprehensive access terminal achieves a voice data transmission function on an SDH transmission optical network and has the advantages of high reliability, low cost, high efficiency and the like.
Description
Technical field
The utility model belongs to digital communication technology field, especially a kind of integrated access terminal based on SDH.
Background technology
In digital communication system, the signal that transmits is all digitized pulse train, comprise PDH (PDH (Pseudo-synchronous Digital Hierarchy), Plesiochronous Digital Hierarchy) and SDH (synchronous digital hierarchy Synchronous Digital Hierarchy).The SDH communication system as a kind of high speed, high-capacity optical fiber transmission technology and high flexible, be convenient to manage again the combination of the intelligent network technology of control, be widely used, become one of basic technology of high speed information highway.At present, the data services such as voice can't be carried on transmission light network based on SDH effectively, present solution is mainly that SDH product and speech business product are carried out simple physics stack, has the problems such as cost is high, inefficiency, poor reliability.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and the integrated access terminal based on SDH that a kind of reliability is strong, cost is low, efficient is high is provided.
The utility model solves its technical problem and takes following technical scheme to realize:
a kind of integrated access terminal based on SDH, comprise CPU, the SDH/MSTP processing module, Ethernet switching chip, V.35 module and bus control module, CPU respectively with the SDH/MSTP processing module, bus control module is connected and realizes it is controlled function, the synchrodata function of exchange that the SDH/MSTP processing module is connected and realizes speed 155.520Mbps with the STM-1 module, the SDH/MSTP processing module is connected with Ethernet switching chip and realizes the Ethernet data function of exchange, the SDH/MSTP processing module is connected with module V.35 and realizes V.35 data-transformation facility, the SDH/MSTP processing module is connected with bus control module, this bus control module is connected by Service Interface Card and realizes IP operation, E1 business or 64KPCM data-transformation facility.
And described CPU also is provided with serial ports and is connected with controller and realizes network management function.
And the quantity of described STM-1 module is two; The quantity of described Ethernet switching chip is two.
Advantage of the present utility model and good effect are:
The utility model is by CPU, SDH/MSTP processing module, Ethernet switching chip, V.35 module, bus control module combine, realization is at the enterprising lang sound data of SDH transmission light network transfer function, greatly improved the practicality of system, can realization group ring/functions such as group chain when setting up communication network, not only saved cost, and improved efficient, be connected with controller by serial ports simultaneously and realized intelligentized management function to equipment.
Description of drawings
Fig. 1 is circuit block diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of integrated access terminal based on SDH, as shown in Figure 1, comprise CPU, SDH/MSTP processing module, Ethernet switching chip, V.35 module, bus control module, in the present embodiment, the SDH/MSTP processing module adopts XSEC SEO171mstp module, Ethernet switching chip adopts AP1750, CPU adopts the S3C4510B01-QE8 single-chip microcomputer, V.35 module adopts the uc60 module, bus control module is connected and composed by A3P250 chip and sequential cross chips, and what this sequential cross chips adopted is the EPM240TOCS chip.CPU is connected with SDH/MSTP processing module, bus control module respectively and realizes that control function to them, CPU also are provided with serial ports and are connected with controller and realize network management function.the synchrodata function of exchange that SDH/MSTP processing module and two-way STM-1 module are connected and realize speed 155.520Mbps, the SDH/MSTP processing module is connected with two Ethernet switching chip provides six road Ethernet interfaces to realize the Ethernet data function of exchange, the SDH/MSTP processing module is connected with module V.35 and realizes V.35 data-transformation facility, the SDH/MSTP processing module is connected with bus control module, this bus control module is connected with three Service Interface Card P1/P2/P3 by three pairs of bus interface, every Service Interface Card is realized IP operation according to service needed, the E1 business, 64KPCM business etc., wherein voice data transmission can be connected with the SDH/MSTP processing module and realize data-transformation facility on the SDH optical transceiver by Service Interface Card wherein.
It is emphasized that; embodiment described in the utility model is illustrative; rather than determinate; therefore the utility model comprises and is not limited to the embodiment described in embodiment; every by those skilled in the art according to other execution modes that the technical solution of the utility model draws, belong to equally the scope of the utility model protection.
Claims (3)
1. integrated access terminal based on SDH, it is characterized in that: comprise CPU, the SDH/MSTP processing module, Ethernet switching chip, V.35 module and bus control module, CPU respectively with the SDH/MSTP processing module, bus control module is connected and realizes it is controlled function, the SDH/MSTP processing module is connected with the STM-1 module and realizes the synchrodata function of exchange, the SDH/MSTP processing module is connected with Ethernet switching chip and realizes the Ethernet data function of exchange, the SDH/MSTP processing module is connected with module V.35 and realizes V.35 data-transformation facility, the SDH/MSTP processing module is connected with bus control module, this bus control module is connected by Service Interface Card and realizes IP operation, E1 business or 64KPCM data-transformation facility.
2. a kind of integrated access terminal based on SDH according to claim 1 is characterized in that: described CPU also is provided with serial ports and is connected with controller and realizes network management function.
3. a kind of integrated access terminal based on SDH according to claim 1 and 2, it is characterized in that: the quantity of described STM-1 module is two; The quantity of described Ethernet switching chip is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581372 CN202949434U (en) | 2012-11-06 | 2012-11-06 | Comprehensive access terminal based on synchronous digital hierarchy (SDH) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581372 CN202949434U (en) | 2012-11-06 | 2012-11-06 | Comprehensive access terminal based on synchronous digital hierarchy (SDH) |
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| Publication Number | Publication Date |
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| CN202949434U true CN202949434U (en) | 2013-05-22 |
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| CN 201220581372 Expired - Fee Related CN202949434U (en) | 2012-11-06 | 2012-11-06 | Comprehensive access terminal based on synchronous digital hierarchy (SDH) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111586500A (en) * | 2019-02-19 | 2020-08-25 | 大唐移动通信设备有限公司 | Distributed synchronous multiplexing device |
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2012
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111586500A (en) * | 2019-02-19 | 2020-08-25 | 大唐移动通信设备有限公司 | Distributed synchronous multiplexing device |
| CN111586500B (en) * | 2019-02-19 | 2021-07-23 | 大唐移动通信设备有限公司 | Distributed synchronous multiplexing device |
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| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130522 Termination date: 20151106 |
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| EXPY | Termination of patent right or utility model |