User's Manual Part 3
SDCX Module – continued
MAY 2004 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU 9-51
PRELIMINARY
Table 9-28: Procedure to Remove SDCX
Step Action
3 Disconnect all cables from SDCX Module.
4 At the rear of the BTS, use a T20 screw driver to remove four M4 screws securing SDCX Module to
the CBIO Board. See Figure 9-19.
5 Gently remove SDCX Module (disconnect it from the SDCX connector in the CBIO Board), and place
it in/on an anti–static container or surface.
Install SDCX
Follow the procedure in Table 9-29 to install the SDCX.
Table 9-29: Procedure to Install SDCX
Step Action
1 Put on an ESD wrist strap or other approved grounding device.
2 If not already done, remove new SDC Module from its anti–static container
3 Install SDCX module onto the CBIO Board.
4 Align connector on bottom of SDCX Module with connector on on CBIO Board and gently push
down on module. See Figure 9-20.
5 Secure module to CBIO Board using four M4 screws. Torque screws to 2.3 N–M (20 in–lbs).
6 Notify the operator know that the replacement procedure is complete.
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