| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 1617.1-2007 | English | 759 |
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Days<=5
|
Intelligent optical protect system. Part 1: optical line protection system
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YD/T 1617.1-2007
| Valid |
YD/T 1617.1-2007
|