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270 Chapter 20 Replacing data cards and processing hardware
P0993298 02
Removing the clock/calendar battery
This section explains how to correctly remove the clock/calendar battery.
1 If you still have access to the Unified Manager, shut down the system using the Shutdown
command. For details refer to “Shutting down the system software” on page 218. Otherwise,
skip to step 2.
2 Set up the BCM1000 for maintenance, as described in “Shutting down the system hardware”
on page 219.
3 Attach one end of the grounding strap to your wrist and the other end to a grounded metal
surface.
4 If the system has a redundant power supply, you may need to remove this before removing the
battery. Refer to Chapter 19, “Replacing a power supply,” on page 249.
5 Use your finger to carefully lift the battery out of the socket.
For the location of the battery socket, refer to Figure 139.
Figure 139 Removing the clock/calendar battery
Caution: Do not use any type of tool to remove the battery.
The battery is located
under the edge of the
power supply
Front of unit