Nortel Meridian 1 Option 11C Planning And Installation Manual page 206

Page 206 of 408 Installing and connecting reserve power supplies
553-3021-210 Standard 7.00
Figure 84
Mounting the NTAK76 battery unit to the wall
Install this screw first
4 Set the switch on the front of the NTAK76 battery box to OFF.
(Refer to Figure 85 on page 207).
The battery cells can deliver high currents when short-circuited. Make
sure that you do not inadvertently short-circuit the terminals of the
batteries.
5 Unpack the batteries and check the expiry dates.
If the batteries do not have the same dates, contact your supplier.
January 2002
Screw holes
WARNING