Handbook

Axell Wireless Limited
Technical Literature
WMATA CRCS Redundant Antenna System
General Overview
Document Number 60-228701HBK Issue No. 3 Date 28/05/2010 Page 59 of 114
4.10.2. PSU Module Chassis 96-300090 Rear View
A AC inputs
B 24V DC terminal (connects to rack 24V busbar)
C
0V DC terminal (connects to rack 0V busbar)
D
Alarm output to Krone terminal block on rack
E Earthing connector
4.10.3. PSU Module Chassis 96-300090 Alarm Wiring
25 pin ā€œDā€ panel socket, local alarm/control output to Krone terminal block on rack (annotated ā€œDā€ in section
4.10.2.)
Pin 1 ON/OFF PSU A
Pin 2 AC OK PSU A
Pin 3 DC OK PSU A
Pin 5 T-ALARM PSU A
Pin 9 AC OK PSU B
Pin 8 ON/OFF PSU B
Pin 10 DC OK PSU B
Pin 12 T-ALARM PSU B
Pin 21 -S -ve SENSING
Pin 20 +S +ve SENSING