Nortel Networks BCM1000 Telephone User Manual


 
Chapter 20 Replacing data cards and processing hardware 271
Installation and Maintenance Guide
Installing the new battery
This section describes how to replace the clock/calendar battery into the base unit.
1 Ensure you have the positive side of the battery facing up when you position it in the socket.
2 Push down until the battery snaps into the socket.
3 Replace the power supply, if you removed it.
4 Replace the cover.
5 Restore the unit to operation. Refer to “Restarting the system” on page 220.
Warning: There is a danger of explosion if you do not replace the battery correctly.
You must replace the battery with a CR2032, 3v Maxell coin cell battery.
The positive side of the battery must face up.
The battery must sit securely in the battery socket.