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Chinese National Standard Category: Data communication equipment

English Title: Wideband modem for synchronous data transmission at a data signalling rate higher than 72 kbit/s using 60~108kHz group band circuits
Chinese Title: 同步数据传输数据信号速率高于72千比特/秒使用60?108 kHz 基群电路的宽带调制解调器
Standard No.: GB/T 9540-1988
Category No.: M32
Issued by: MIIT
Issued on: 1988-06-30
Implemented on: 1989-2-1
Status: abolished
Superseded by:
Superseded on:
Abolished on:2005-10-14
Superseding:
Word Count: words
Similar Standards: DB11/T 1158-2015   GB/T 12198-1990   T/CIIA 023-2022   GB 9036.2-1988   GB 9036.4-1988   T/CIIA 022-2022   DB11/T 1139-2023   YD/T 4142-2022   YD/T 4154-2022   YD/T 4166-2022   YD/T 4149-2022   GB/Z 41294-2022   GB/Z 41298-2022   GB/T 40022-2021   GB/T 40026-2021   GB/T 39581-2020   GB/T 38754-2020   GB/T 38801-2020   GB/T 37294-2019   JT/T 1253-2019  
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