GB/T 2789-1981
Abolished
YD/T 1948.2-2009
Active
Industry standards-Postal and telecommunications
YD/T 1948.2-2009 YD/T 1948.2-2009 Transparent Optical Networks (Ton/EOT) Technical Specification Part 2: Network Node Interface (NNI) for Ethernet User Network Interface (UNI) for Optical Transport Networks (ETN/EOT) Equipment
YD/T 1948.2-2009 YD/T 1948.2-2009 Transparent Optical Networks (Ton/EOT) Technical Specification Part 2: Network Node Interface (NNI) for Ethernet User Network Interface (UNI) for Optical Transport Networks (ETN/EOT) Equipment
Basic Information
Standard Code:
YD/T 1948.2-2009
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Optical communication equipment
ICS Name:
\n Transmission system
Publish Date:
2009-06-15
Implement Date:
2009-09-01
Pages:
32 pages
Development Information
Related Standards
GB/T 3383-1982
Active
GB/T 3383-1982 Telecommunication transmission unit—decibel
GB/T 4110-1983
Active
GB/T 4110-1983 Pulse code modulation communication system hierarchy
GB/T 5438-1985
Active
GB/T 5438-1985 Characteristics and measuring methods for monophonic and stereophonic transmissions
GB/T 7438-1987
Abolished
GB/T 7438-1987 Numbering for telex and low speed data in national communi cation network
GB/T 7554-1987
Active