Alarm power module (apm), Alarm power module (apm) -24, Product description – Carrier Access Broadmore 1750 User Manual

Page 48

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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

7 6 6 0 - 0 2 3

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