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Chinese National Standard Category: Telecommunication technical requirements and interface

English Title: Parameters of digital interface for PCM systems over telecommunication network
Chinese Title: 脉冲编码调制通信系统网路数字接口参数
Standard No.: GB 7611-1987
Category No.: M19
Issued by:
Issued on: 1987-04-01
Implemented on: 1987-12-1
Status: abolished
Superseded by:GB/T 7611-2001 Characteristics of the electrical interface at hierarchical bit rate for digital network
Superseded on:2002-1-2
Abolished on:2002-12-01
Superseding:
Word Count:22000 words
Similar Standards: YDB 137-2013   YDB 155-2014   YDB 003-2006   GB/T 41922-2022   YD/T 4162-2022   GB/T 37081-2018   GB/T 33852-2017   GB 33473-2016   GB/T 7611-2016   GB/T 32403.2-2015   GB/T 32403.1-2015   T/ITS 0026-2015   T/ITS 0019-2015   T/ITS 0023-2015   T/ITS 0001-2014   GB/T 29234-2012   GB/T 29235.1-2012   GB/T 29235.2-2012   GB/T 28508-2012   YDB 104-2012  
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