Standards

YD/T 4085-2022 Active

YD/T 4085-2022 Underground communication pipeline prefabricated composite material manhole (handhole)

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.

Publish Date: 2022-09-30

YD/T 4084-2022 Active

YD/T 4084-2022 Wireless Radio Remote Unit (RRU) Cable Branch Box

This document is applicable to the design, development, production, and inspection of cable branch boxes used in radio frequency remote units (RRUs). Cable branch boxes used in other scenarios can also be referenced for use.

Publish Date: 2022-09-30

YD/T 4083-2022 Active

YD/T 4083-2022 Digital Communications Symmetric Cable Connectors - Part 1: General Requirements

This document is applicable to the design, development, production, and acceptance of connectors used for digital communication symmetrical cables in structured cabling systems of information and communication infrastructure.

Publish Date: 2022-09-30

YD/T 4082-2022 Active

YD/T 4082-2022 Heat-resistant Flexible Power Cord for Communications

This document is applicable to single-core heat-resistant flexible power cables with a rated voltage of 450/750V used in communication power supply equipment.

Publish Date: 2022-09-30

YD/T 4081-2022 Active

YD/T 4081-2022 Break cord used for communication cables and optical cables

This document is applicable to the production and acceptance of ripping ropes for communication cables and optical cables.

Publish Date: 2022-09-30

YD/T 4080-2022 Active

YD/T 4080-2022 Cable and optical fiber for communication use a woven material for wrapping

This document is applicable to the production and inspection of polyester tapes, non-woven tapes, and twine used for bundling communication cables and optical cables.

Publish Date: 2022-09-30

YD/T 1118.4-2022 Active

YD/T 1118.4-2022 Fiber optic secondary coating material - Part 4: Thermoplastic polyester elastomer

This document is applicable to the manufacture, use, and acceptance of TPEE, a secondary coating material for optical fiber.

Publish Date: 2022-09-30

YD/T 4079-2022 Active

YD/T 4079-2022 Fiber bundle using coating resin for splicing

This document is applicable to the design, development, production, and inspection of UV-curable optical fibers coated with resin.

Publish Date: 2022-09-30

YD/T 629.2-2022 Active

YD/T 629.2-2022 Monitoring method for changes in attenuation of optical fiber transmission - Part 2: Backscatter method

This document is applicable to the monitoring of attenuation changes in silica-based single-mode and multi-mode fiber optic cables.

Publish Date: 2022-09-30

YD/T 629.1-2022 Active

YD/T 629.1-2022 Fiber optic transmission attenuation monitoring method - Part 1: Transmission power method

This document is applicable to the monitoring of attenuation changes in silica-based single-mode and multi-mode fiber optic cables, cable assemblies, and optical passive devices.

Publish Date: 2022-09-30

YD/T 2159-2022 Active

YD/T 2159-2022 Optical-electric hybrid cable for access network

This document is applicable to the design, manufacture, and inspection of hybrid cables used to simultaneously transmit optical signals and electrical energy in access network communication power supply systems. Hybrid cables used to simultaneously transmit optical signals and/or electrical energy and electrical signals in access networks can also be used for reference.

Publish Date: 2022-09-30

YD/T 1997.4-2022 Active

YD/T 1997.4-2022 Communication-Introduction of optical cables - Part 4: Opto-electrical hybrid cables

This document is applicable to the design, development, production, and inspection of hybrid cables introduced for telecommunications use.

Publish Date: 2022-09-30