Nortel DMS-100 Series Maintenance Manual page 619

8
Batteries are located
at the back of the cab-
inet
BR –48 V
– + –
Yuasa battery connections
Note: Battery strings 3 and 7 are not provisioned for OPM-256 or when Eagle-Picher batteries are
provisioned.
Install and interconnect the battery units. There are four matched battery
units for each string in the shelf location that corresponds to the battery set
number. Refer to the following figure for battery arrangement.
(Optional)
Utility
calibration
power
device
breaker
+ – +
+ –
DMS-100 Family OPM Maintenance Manual XPM14 and up
OPM routine maintenance procedures
DANGER
Hazardous chemicals
Battery chemicals can be hazardous and explosive. Use
caution.
Emergency
power
breaker
0
4
1
5
2
6
3
7
Battery assemblies
–
BR –48 V
+
Eagle-Picher battery connections
Battery replacement
OPM
(continued)
Emergency
generator
plug-in
– – –
+ + +
13-17