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Method and system for transmitting tdm service in microtca

A service and card technology, applied in the field of network communication and network switching, can solve problems such as the backplane interface not defined as traditional TDM, unacceptable delay, and inability to provide TDM services, etc.

Inactive Publication Date: 2011-12-28
BANGYAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But among these high-speed interfaces, there is no backplane interface defined as traditional TDM
Therefore, traditional TDM services cannot be provided in the standard architecture, but some services that have strict requirements on delay, such as fax access, will generate unacceptable delays if they are accessed through packet switching.

Method used

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  • Method and system for transmitting tdm service in microtca
  • Method and system for transmitting tdm service in microtca
  • Method and system for transmitting tdm service in microtca

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Embodiment

[0031] The embodiment of the present invention describes in detail the method and system for transmitting TDM services in MicroTCA. Such as figure 1 Shown is a schematic diagram of the backplane bus connection of the standard MicroTCA platform. On the standard MicroTCA backplane, the TDM bus is not defined. figure 2 Shown is a schematic diagram of the structure of the TDM service bus. The TDM bus includes four groups of signals for receiving and sending TDM data, including a clock, a synchronization signal, a reference clock, and TDM data. All of the clock signals are MLVDS in a differential manner. All TDM devices are connected to the TDM bus.

[0032] On a standard MicroTCA backplane, the pins TX18, RX19, TX19, RX20, and TX20 are defined as the pins of the TDM bus, such as image 3 shown.

[0033] The entire backplane supports the access of 9 AMC boards. The TDM modules of each board have the same structure. When all the TDM services of all 9 slots are connected, the TD...

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PUM

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Abstract

The invention relates to a method and a system for transmitting TDM services in MicroTCA, which includes adding TDM channels on the backplane of a standard MicroTCA platform by using AMC Ports 18 to 20, and adding TDM channels and switching networks on the corresponding AMC boards at the same time. A standard chassis supports 9 slots of TDM services, and each slot provides 32 time slots, which can meet the needs of many services to access the TDM switching network and achieve the purpose of transmitting TDM services on the MicroTCA platform.

Description

technical field [0001] The invention relates to the technical fields of network communication and network exchange, in particular to a method and system for transmitting TDM services in MicorTCA. Background technique [0002] MicroTCA (Micro Telecommunications Computing Architecture, Micro Telecom Computing Architecture) is a specification developed by the PICMG standardization organization. It is a new generation of super-performance general-purpose business processing platform built with standardized, modular, and open design ideas. It allows equipment manufacturers to Some general-purpose hardware and software are developed on this public platform, which is characterized by an IP-based network. [0003] TDM (Time Division Multiplexed) refers to a technology that transmits multiple digital data, voice and video signals, etc. on the same communication medium at the same time through cross-bit pulses in different channels or time slots. It is a traditional network structure...

Claims

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Application Information

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IPC IPC(8): H04J3/00H04L12/56H04L12/70
Inventor 张兴吴球
Owner BANGYAN TECH
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