It has primarily below some characteristics:Have a batch of connects based on the requests of SDH system, include to multiplexing, pointer, cross, mapping…etc.
它主要有以下一些特点：有一批基于SDH体制要求的接口，包含有复用、指针、交叉、映射等处理平台；
The bandwidth allocation on demands will become reality when the technology of statistics & time multiplexing is applied to SDH equipment.
统计时分复用技术应用于SDH设备可实现带宽的按需分配。
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