Carrier Access Broadmore 1750 - Manual (Page 49)

Broadmore 1750 - Release 4.6 1-25
Product Description
Alarm Power Module IOM
Alarm Power Module IOM
Module Type IOM
Part Number 7660-025
Slot Number Mounts in chassis rear behind APM
Description The Alarm Power IOM comes with four Bussman
GMT 7.5A, 60V fuses. Two of the fuses are used to
protect the redundant DC power inputs (A and B) and
the other two fuses are provided as spares. The chassis
will operate with only one power source but two
independent sources are recommended to provide
power supply redundancy.
Power, alarm, and grounding connections are made to
the connector panel at the bottom rear of the chassis.
Fuses RAIL A – protection fuse for –48VDC power input A
RAIL B – protection fuse for –48VDC power input B
SPARE FUSES – two spare fuses in holders
POWER
7 . 5 A
6 0 V D C
R
A
I
L
A
R
A
I
L
B
S
P
A
R
E
F
U
S
E
7 . 5 A
6 0 V D C
F U S E
F U S E
7 6 6 0 - 0 2 5