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 84 of 114
Pin 9
Pin 6
Pin 5
Pin 1
5.12.4.1. RF Failover Switch Unit 60-228905 Alarm Outputs
Front panel 9 pin “D” panel plug “ALARM”, local alarm output to Krone terminal block “A” on rack (see
section 5.5.)
Dry Contact Outputs (Closed = Normal / Open = Alarm)
Summary output PSU modules Pins 1 & 2
Uplink path relay Pins 3, 4 & 5
Downlink path relay Pins 6, 7 & 8