Standard No.:	YD/T 1631-2007
English Name:	Technical Requirements for Synchronous Digital Hierarchy (SDH)virtual concatenation and link capacity adjuxtment scheme
Chinese Name:	同步数字体系(SDH)虚级联及链路容量调整方案)技术要求
Chinese Classification:	M11    Communication network technical system
Professional Classification:	YD    Professional Standard - Telecommunication
Issued on:	2007-4-16
Implemented on:	2007-10-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	21000 words
Price(USD):	630.00
Delivery:	via email in 1~3 business day

本标准规定了SDH虚级联（VCAT）及链路容量调整方案（LCAS）的技术要求，主要包括SDH系统中VCAT的定义、VCAT信号中LCAS的实现方法、LCAS的实现过程、LCAS和非LCAS的互通、VCAT及LCAS的性能要求和管理要求等。本标准适用于SDH网络中多种VC颗粒（VS-12/VC-3/VC-4）的VCAT及LCAS。