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240 Chapter 10 Replace Data Cards and Processing Hardware
P0993133 03
Figure 159 Removing the clock/calendar battery
13 This procedure is complete.
Install a new clock/calendar battery
Use this procedure to insert a clock/calendar battery into the base function tray.
1 Remove the old battery. See “Remove the Clock/Calendar battery” on page 239.
2 Ensure you have the positive side of the battery facing up when you position it in the socket.
3 Push down until the battery snaps into the socket.
4 Install the media services card. See “Install the media services card (MSC)” on page 226.
Continue to the next step of this procedure when complete.
5 Install the WAN card (if applicable). See “Install the WAN card” on page 221. Continue to the
next step of this procedure when complete.
6 Partially insert the base function tray into the platform base chassis.
7 Connect the DS30 connectors to the MSC.
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.
Warning: Protect the hardware components against damage from electrostatic discharge.
Always wear a ground wrist strap before you handle components. Always place the
components in static-free container.
Base function tray front
CMOS
battery
The battery is located
under the edge of the
power supply