GB/T 2789-1981
Abolished
YD/T 2003-2018
Active
Industry standards-Postal and telecommunications
YD/T 2003-2018 Reconfigurable Optical Add-Drop Multiplexer (ROADM) device technical requirements
YD/T 2003-2018 Reconfigurable Optical Add-Drop Multiplexer (ROADM) device technical requirements
Basic Information
Standard Code:
YD/T 2003-2018
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Optical communication equipment
ICS Name:
\n Transmission system
Publish Date:
2018-12-21
Implement Date:
2019-04-01
Development Information
Replace the following standards
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