GB/T 46690-2025 Active National standards

GB/T 46690-2025 Technical specification for alarm information and fault grading for signal system of urban rail transit

Publish Date: 2025-10-31 Implement Date: 2026-02-01 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: GB/T 46690-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Passenger transportation

ICS Name: \nRailway transportation

Publish Date: 2025-10-31

Implement Date: 2026-02-01

Pages: 56 pages

Scope

This document specifies the general requirements for alarm information and fault classification of urban rail transit signal systems (referred to as "alarm" and "fault" respectively), the requirements for alarm information, and the requirements for fault classification, and describes their verification methods.
This document is applicable to the functional design, equipment use, and operation and maintenance of urban rail transit signal systems based on communication-based train operation control systems.