User's Manual Part 3

Clock Synchronization Alarms Card – continued
9-22 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU MAY 2004
PRELIMINARY
Table 9-11: Procedure to Remove CSA Module
Step Action
2 Put on the ESD wrist strap or other approved grounding device.
3 If not already done, remove BTS front panel cover by grasping finger grooves at the top and bottom
and pulling simultaneously.
4 Simultaneously press the locking tabs on both the top and bottom card latches
5 Pull the latches out to disengage the card from the shelf and slide the card out.
6 Place card in/on an anti–static container or surface.
Install CSA Module
Follow the procedure in Table 9-12 to install the CSA card.
Table 9-12: Procedure to Install CSA Module
Step Action
1 Put on the ESD wrist strap or other approved grounding device.
2 If not already done, remove new CSA card from its anti–static container.
3 Insert card and carefully slide into slot and push in until it is seated in the backplane.
4 Simultaneously pull both latches forward and slip the tips behind the frame.
5 Push the latches in to engage the card with the backplane and lock the tabs.
6 The LED illuminates red briefly, then turns green.
Green indicates that the module has passed all self–tests and is functional.
7 Notify the OMC–R operator that the replacement procedure has been completed, and that old alarms
are cleared and no new alarms are reported.
8 If there are no other actions required, install BTS front panel cover by setting it in place and pushing
on the top and bottom simultaneously.
9