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Design and implementation of Cross_Connecting Module in SDH

Author: XieYunPeng
Tutor: ChangYiLin
School: Xi'an University of Electronic Science and Technology
Course: Communication and Information System
Keywords: Synchronous Digital Hierarchy Cross Connection Protection switching
CLC: TN914.332
Type: Master's thesis
Year: 2001
Downloads: 0
Quote: 3
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Abstract


In the intelligent synchronous digital hierarchy (SDH) transmission systems , the design of the cross connection unit of the system has an important role in applications , this article briefly discusses 155M SDH equipment design principle and system configuration , the system focuses on the SDH cross-connect unit design ideas and cross-connect module hardware and software design principles . SDH system configuration to achieve the flexibility and versatility in the cross-connect some hardware design, this paper presents a three cross-connect matrix method, not only can achieve high-level group of Lu (VC-4 level) signal cross-connect in order to achieve multiplex section protection applications , but also can achieve low- passage (VC-12 level) signal cross-connect in order to achieve path protection and link protection applications . In the software part of the design, using layering technology to design, build separate operating system layer that provides message-driven mechanism , establish functional software on top of this , not only conducive to software development and debugging , but also conducive to the software transplant. In the article also gives the design and debugging process for attention points , and typical applications in specific applications, for cross- connection configuration programs and protection switching method.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Communicate > Communication systems ( transmission system) > Digital communication system > Digital multiplex > Synchronous Digital Hierarchy (SDH)
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