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Chinese National Standard Category: Optical communication equipment

English Title: Technical Requirements for Automatically Switched Optical Network (ASON) Node Part 1:Technical Requirements for SDH-based ASON Node
Chinese Title: 自动交换光网络(ASON)节点设备技术要求 第1部分:基于同步数字体系(SDH)的ASON节点设备
Standard No.: YD/T 1957.1-2009
Category No.: M33
Issued by: Ministry of Industry and Information Technology
Issued on: 2009-6-15
Implemented on: 2009-9-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:公告:中华人民共和国工业和信息化部公告 2017年 第23号
Word Count:17000 words
Similar Standards: GB/T 8401.9-1987   T/CCSA 241-2019   T/SHPTA 023.1-2022   T/ZZB 042-2015   T/CEMIA 007-2018   YD/T 545-1992   GB/T 8402.5-1987   DB32/T 4219-2022   GB/T 8402.6-1987   GB/T 8401.8-1987   T/ZZB 041-2015   YD/T 544-1992   T/CEMIA 010-2018   GB/T 43556.2-2023   GB/T 43556.1-2023   GB/T 18899-2023   GB/T 16849-2023   GB/T 16850.1-2022   GB/T 9771.7-2022   YD/T 4172-2022  
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