1-24 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
7660-023