GB/T 3455-1982
Active
YD/T 4085-2022
Active
Industry standards-Postal and telecommunications
YD/T 4085-2022 Underground communication pipeline prefabricated composite material manhole (handhole)
YD/T 4085-2022 Underground communication pipeline prefabricated composite material manhole (handhole)
Basic Information
Standard Code:
YD/T 4085-2022
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Communication line equipment
ICS Name:
Lines, connections, and circuits
Publish Date:
2022-09-30
Implement Date:
2023-01-01
Scope
This document is applicable to the design, production, installation, and acceptance of preformed composite manholes for underground communication pipelines used in environments such as green belts, sidewalks, non-motorized lanes, and motorized lanes.
Development Information
Related Standards
GB/T 4574-1984
Abolished
GB/T 4574-1984 Measuring methods for actual circuit noise and the circuit noise in simulating system loading over the analogue communication network
GB 6830-1986
Active
GB 6830-1986 The tolerable limits of danger on telecommunication lines from power lines
GB/T 7440-1987
Abolished
GB/T 7440-1987 Calculating methods and measuring methods for transmission parameters of open-wire communication lines
GB/T 12166-1990
Active
GB/T 12166-1990 Electrical characteristics of unbalanced voltage digital interface circuits
GB/T 15280-1994
Abolished