GB/T 2789-1981
Abolished
YD/T 4505-2023
Active
Industry standards-Postal and telecommunications
YD/T 4505-2023 Enhanced synchronous device with clock technology requirements
YD/T 4505-2023 Enhanced synchronous device with clock technology requirements
Basic Information
Standard Code:
YD/T 4505-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Optical communication equipment
ICS Name:
\n Transmission system
Publish Date:
2023-12-20
Implement Date:
2024-04-01
Scope
This document is applicable to the development and production of devices that use enhanced synchronization equipment to transmit packets from clock-based packet transmission network (PTN) devices, slice packet network (SPN) devices, and optical transmission network (OTN) devices.
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