Communicating system and method for internal apparatus

An internal communication and communication system technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as bus hanging, affecting other terminal communication, and communication speed, and achieve the effect of ensuring reliability.

Inactive Publication Date: 2009-11-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0009] Although the use of RS485 bus technology has solved the problem of multi-point to multi-point communication better, but because different single boards share the same bus, a single point failure on the bus may affect the communication of other terminals, that is, the bus is "hanged". ", and the topology of the network will have a greater impact on the communication rate

Method used

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  • Communicating system and method for internal apparatus
  • Communicating system and method for internal apparatus
  • Communicating system and method for internal apparatus

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Embodiment Construction

[0047] The core of the present invention is to make full use of the idle bytes of the TDM (time division multiplexing) service bus, use it as the communication channel inside the equipment, to simplify the design of the backup board bus, and complete the main control module and each The communication between business modules, and through the main and backup design of the internal communication control device, the reliability of internal communication is improved.

[0048] In the SDH / SONET system, the 622Mbps LVDS high-speed differential service bus is commonly used. The frame structure of SDH on the service bus is as follows: Figure 5 shown. The first 9 bytes of each line (the first 9 columns), a total of 81 bytes are placed in the section overhead (SOH) and the management unit pointer (AU PTR); the last 261 bytes of each line constitute the information payload area ( Payload), of which 9 bytes are channel overhead (POH). Depend on Figure 5 It can be seen that the exchange...

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Abstract

The system consists of service module used to provide service function for equipment; main control module used to complete communication between the equipment; external administration terminal and service module; internal communication device that is coupled into service module through TDM service bus, and is coupled into main control module through communication network, and is used to control the communication between main control module and the service module, and between each service modules. The communication method in the equipment is: the unused word of TDM service bus is taken as internal communication channel; sets the format of the TDM service bus; with TDM service bus, the internal control device is used to control the message transmission and reception between main control module and service module, and between service modules.

Description

technical field [0001] The present invention relates to the technical field of communication equipment, in particular to a communication system and method inside the equipment. Background technique [0002] In telecommunication equipment, in order to complete the OAM (Operation, Administration and Maintenance) function, it is necessary to realize communication between the computer terminal (network management terminal) and the equipment. Usually, there is a central control single board (ie, the main control module) inside the device, and its main function is to complete the communication between the device and the network management terminal. At the same time, the main control module also realizes internal communication with each single board in the device, sends corresponding information to each single board, and obtains information from each single board. According to different topological structures, there are usually two internal communication methods, point-to-multipoi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/00
Inventor 黄澄宇肖新华
Owner HUAWEI TECH CO LTD
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