YDN 034.1-1997
ISDN subscribers - specification for network interfaces Part 1: Technical specification for physical layers (English Version)
- Standard No.
- YDN 034.1-1997
- Language
- Chinese, Available in English version
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YDN 034.1-1997
YDN 034.1-1997 history
- 1970 YDN 034.1-1997 ISDN subscribers - specification for network interfaces Part 1: Technical specification for physical layers
