GB/T 33736-2017
Active
T/ZZAS 042-2024
Active
Group standards
T/ZZAS 042-2024 Train Approach Alarm System
T/ZZAS 042-2024 Train Approach Alarm System
Price:
$ 20.00
Basic Information
Standard Code:
T/ZZAS 042-2024
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Other telecommunications terminal equipment
Publish Date:
2024-11-26
Implement Date:
2024-11-27
Scope
Main technical content: The train approach alarm system consists of a power supply unit, an alarm host, a high-pitched horn, an on-board alarm, a train approach alarm detector, and a 4G communication unit, as shown in Figure 1. 5. Requirements 5.1 Appearance and structural requirements 5.1.1 Appearance requirements The dimensions of the alarm equipment should conform to the drawings. The surface of the plastic casing should be free from cracks, fading, and permanent stains, as well as obvious deformation and scratches. The surface of the metal casing should not expose the underlying metal, and there should be no bubbling, corrosion, notches, burrs, decorative points, scratches, coating peeling, or sand holes.
Development Information
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