| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YDN 034.1-1997 | English | RFQ |
ASK
|
Days<=3
|
ISDN subscribers - specification for network interfaces Part 1: Technical specification for physical layers
|
YDN 034.1-1997
| |
YDN 034.1-1997
|