User's Manual Part 3

Group Line Interface Card – continued
MAY 2004 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU 9-25
PRELIMINARY
If desired, record the BTS and GLI3 serial number of the failed unit in
Table 9-59 at the end of this chapter.
Remove GLI3 Card
Follow the procedure in Table 9-13 to remove the GLI3 card.
Table 9-13: Procedure to Remove GLI3 Card
Step Action
n WARNING
Disengaging the GLI3 from the CCP2 Shelf will cause the site to be shutdown due to the disruption in
commnuication with the BBX and MCC cards.
1 If not already done, remove BTS front panel cover by grasping finger grooves at the top and bottom
and pulling simultaneously.
2 Put on the ESD wrist strap or other approved grounding device.
3 Notify operator that the GLI3 card replacement procedure is starting and that alarms can be expected.
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 GLI3 Card
Follow the procedure in Table 9-14 to install the GLI3 card.
Table 9-14: Procedure to Install GLI3 Card
Step Action
1 Put on the ESD wrist strap or other approved grounding device.
2 If not already done, remove new GLI3 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 Check the STATUS and ALARM LEDs:
S The ALARM LED lights for about 10 seconds while it powers up self–diagnostic test.
S The STATUS LED lights briefly, indicating that the card has passed self diagnostic tests.
S Both LEDs should then remain OFF.
table continued on next page
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