YD/T 3887.3-2025 Active Industry standards-Postal and telecommunications

YD/T 3887.3-2025 Management and Assurance Technical Requirements for Government and Enterprise Customer Private Line Services - Part 3: Support System Functional Requirements

Publish Date: 2025-04-10 Implement Date: 2025-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: YD/T 3887.3-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Communication network

ICS Name: Telecommunications system

Publish Date: 2025-04-10

Implement Date: 2025-08-01

Development Information

Related Standards

GB/T 3971.3-1983 Active

GB/T 3971.3-1983 The test methods for the technical specifications of multi-frequency register signalling for telephone automatic switching network

Publish Date: 1982-12-15

GB/T 3974-1983 Abolished

GB/T 3974-1983 Telephone transmission interference allowances for long-distance high-capacity analogue microwave communication systems

Publish Date: 1983-12-15

GB/T 5581-1985 Abolished

GB/T 5581-1985 Specification and measuring method of frequency-modulated voice-frequency telegraph set for a modulation rate of 75 Bauds with channels spaced at 180 Hz

Publish Date: 1985-11-12

GB/T 13722-1992 Replaced

GB/T 13722-1992 Performance requirements and testing methods for power supplies used in the mobile communication

Publish Date: 1992-10-04

GB/T 3972-1992 Abolished

GB/T 3972-1992 Relays for crossbar telephone switching systems

Publish Date: 1992-10-06

GB/T 15410-1994 Abolished

GB/T 15410-1994 Conformance test and procedures for the Chinese teletex system and terminal

Publish Date: 1994-12-28