YDN 123-1999
SDH network transport synchronization network timing method (internal standard) (English Version)
- Standard No.
- YDN 123-1999
- Language
- Chinese, Available in English version
- Release Date
- 1999
- Published By
- Professional Standard - Post and Telecommunication
- Latest
- YDN 123-1999
YDN 123-1999 history
- 1999 YDN 123-1999 SDH network transport synchronization network timing method (internal standard)
