| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 1991-2016 | English | 799 |
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Days<=5
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Technical requirements NX40Gbit／s optical wavelength division multiplexing(WDM)systems
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YD/T 1991-2016
| Valid |
YD/T 1991-2016
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