User's Manual Part 3

Compact BTS Multi–Coupler Preselector Card – continued
9-38 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU MAY 2004
PRELIMINARY
Table 9-22: Procedure to Install cMPC
Step Action
1 Put on an ESD wrist strap or other approved grounding device.
2 If not already done, remove new cMPC from its anti–static container.
3 Verify that the cMPC is set up for using 1 or 2 Compact PAs. See Figure 9-15.
S For 1 PA, the jumper should be connected to the “Default” RF connector.
S For 2 PAs, the jumper should be connected to the “Alternate” RF connector.
* IMPORTANT
To insert the cMPC with minimum of trouble, make sure the RF cabling is held away towards the side
of the frame in single file and in order they were disconnected.
4 Insert card and carefully slide into slot far enough to attach cables.
Attach RF cables (each cable is labeled and color coded)
5 Simultaneously pull both latches forward and slip the tips behind the frame.
6 Push the latches in to engage the card with the backplane and lock the tabs.
7 Note that the LED turns red briefly, then green.
Green indicates that it has passed all self–tests and is functional.
8 Notify operator that the cMPC replacement procedure is completed. Have operator verify that old
alarms have cleared and no new alarms are reported.
9 If no other action is needed, install BTS front panel cover by setting it in place and pushing on the top
and bottom simultaneously.
9