Service Manual

GSM-204-323
Control and alarm board (CAB)
31st Oct 01
Tech. 4–16
Technical Description: Horizon
macro
outdoor
CONTROLLED INTRODUCTION
68P02902W02-A
CAB indicators
and controls
Front panel indicators
BATTERY CAPACITY (green).
>15 mins.
>10 mins.
>5 mins.
One LED is lit, displaying result of last battery capacity test. The three
LEDs flash during the test and one remains lit to indicate test result.
RADIO (green).
Normally lit, this LED indicates that the battery contactor is closed and that
radio loads are connected to the backup batteries, (where fitted).
COMMS (green).
Normally lit, this LED indicates that the communications contactor is
closed and that customer communications loads are being supplied.
CAB OT (red).
Normally unlit, this LED indicates a cabinet over temperature alarm state.
EXT CAB OT (red).
Normally unlit, this LED indicates an auxiliary equipment housing over
temperature alarm state.
SMOKE (red).
Normally unlit, this LED indicates a cabinet (optional) smoke detector
alarm state.
NOTE
The smoke detector alarm functions are only activated by
optional customer supplied smoke detectors.
No provision has been made for the fixing of a smoke
detector within the main cabinet or the auxiliary equipment
housing.
EXT SMOKE ALM (red).
Normally unlit, this LED indicates an auxiliary equipment housing
(optional) smoke detector alarm state.
STATUS (green).
Normally lit, this LED indicates that the cabinet is within normal operating
conditions, and will flash on and off when any alarm signal is present. The
status indicator will flash if either the battery or communications contactor
is open.
NOTE
Opening the door triggers the door open alarm, causing
the status LED to flash. To check the true status, press the
door microswitch to simulate closing the door.