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| International Standard Category: Data communication networks |
GB/T 19897.2-2005 Automatic meter reading system lower layer communication protocol—Part 2:Use of area networks on twisted pair with carrier signalling
自动抄表系统低层通信协议 第2部分：基于双绞线载波信号的局域网使用 ;
| Category No.: | 33.040.40 | Valid Status: | superseded |
| Issued Organization: | AQSIQ | Issued Date: | 2005-09-09 |
| Implemented Date: | 2006-4-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 17215.631-2018 Electricity metering data exchange—The DLMS/COSEM suite—Part 31:Use of local area networks on twisted pair with carrier signalling |
Superseded Date: | 2019-7-1 |
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