Carrier Access 1750 Manual De Usuario

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Broadmore 1750 - Release 4.6
Product Description
Alarm Power Module (APM)
Alarm Power Module (APM)
Module Type
APM
Part Number
7660-023
Slot Number
APM
Description
An APM is factory-installed in the right-most card slot 
as viewed from the front. The APM provides EMI 
power conditioning and over-current protection for 
each of the two –48 VDC power sources. Two 7.5 
amp, 60 VDC fuses are located on the bottom of the 
module. A green LED is provided for each power 
source to indicate power is present. Major and minor 
alarms are displayed via LEDs, which are visible with 
the front panel installed. An over-temperature indicator 
on the front of this module is reserved for future use. 
The APM is user-replaceable.
Indicators
MAJOR ALARM – lights red for major alarm
MINOR ALARM – lights amber for minor alarm
FAN FAIL – lights red when fan tray fails
OVER TEMP – (reserved for future use)
PWR A/B – lights green when power is applied to the 
A or B inputs
PWR FAIL A/B – lights red when power supply A or 
B fails
ALARM
PWR
A
B
PWR
FAIL
A
B
OVER
TEMP
FAN
FAIL
MINOR
ALARM
MAJOR
ALARM
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