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GSM-204-323
Control and alarm board (CAB)
31st Oct 01
Technical Description: Horizon
macro
outdoor
68P02902W02-A
CONTROLLED INTRODUCTION
Tech. 4–17
Front panel switches and buttons
Front panel switches and buttons are provided for the following:
BATTERY TEST.
Initiates battery charge capacity test of internal batteries.
Battery selector switch.
Connects two 4 mm sockets on front panel to internal batteries to allow
monitoring of battery condition.
OVERRIDE.
Overrides disconnected enable signals to the TOPSMs for fault diagnosis.
RESET.
Resets the CAB after an auxiliary equipment housing over temperature
trip.
CAB front panel
fuses
The CAB front panel has three cartridge fuses, providing circuit protection for:
Battery contactor (F1).
Communications contactor (F2).
Control and alarm board (F3).