Nortel Meridian 1 Option 11C Planning And Installation Manual page 209

Installing and connecting reserve power supplies Page 209 of 408
Figure 86
Power cord routing
Connection on power
supply unit
Cable from NTAK76
Connecting other battery backup systems
This procedure describes how to install and connect customer-supplied
battery backup systems.
Charging capabilities of the Option 11C are described in the Option 11C and
11C Mini Technical Reference Guide (553-3011-100). The system external
ground must be installed before installing the battery backup.
Option 11C Planning and Installation Guide