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

MAJOR ALARM

MINOR ALARM

FAN

FAIL

OVER TEMP

PWR

A

B

PWR

FAIL

A

B

ALARM

7 6 6 0 - 0 2 3

1-24

Broadmore 1750 - Release 4.6

Page 48
Image 48
Carrier Access 1750 user manual Alarm Power Module APM