User's Manual

Weehawken Tunnel VHF Repeater System
User/Maintenance Handbook
Handbook N.-Weehawken_VHF Issue No:-A Date:-05/08/05
Page:-
56 of 75
7.7.2 Technical Specification
PARAMETER SPECIFICATION
Operating voltage: 8 to 30V (floating earth)
Alarm Threshold: Vcc - 1.20 volt +15%
Alarm output relay contacts:
Max. switch current: 1.0Amp
Max. switch volts: 120Vdc/60VA
Max. switch power: 24W/60VA
Min. switch load: 10.0µA/10.0mV
Relay isolation: 1.5kV
Mechanical life:
>2x10
7
operations
Relay approval: BT type 56
Connector details: 15-way 0.1" pitch
operational: -10°C to +60°C
Temperature range:
storage: -20°C to +70°C
74 x 56mm (3 stage)
PCB Size:
54 x 56mm (1 stage)
7.7.3 Generic Alarm Wiring Sketch