Users Manual Part 2

6 Use the handle, and gently slide the Site Controller from the slot, removing it from the chassis.
IMPORTANT: There are cables connected at the rear of the Site Controller. Slide out the
Site Controller carefully, tag and disconnect ribbon cables at the rear.
7 Remove the Site Controller cover. Unscrew 19 screws securing the cover and slide it off gently
to avoid damage to components installed on the board (the cover can harm the springs on the
RJ45 connectors (front side connectors), when the cover has been slid nearly completely off).
8 Remove the old battery from the socket on the board.
Figure 173: Site Controller - Lithium Battery Location
9 Install a replacement battery (Motorola p/n 5185151Y02) in its socket on the board.
IMPORTANT: Dispose or recycle the used battery according to local regulations.
10 Slide the cover gently on and secure it with 19 screws.
11 Install the Site Controller into the MTS. Use the handle to slide the unit into the chassis.
IMPORTANT: Connect the ribbon cables at the rear before sliding the unit into the
chassis.
12 Secure the Site Controller in the chassis with the captive screws.
13 Except the power cables, reconnect all other cabling to the unit as tagged during the removal.
14 Power up the Site Controller:
a Reconnect the power cables to the MTS Power Supply Units.
b Set the power switch to the ON position.
15 Perform Resetting the RTC Battery Status on page 332.
6802800U74-AP
Chapter 8: Site Controller
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