User's Manual Part 3

RF Filter Tray – continued
MAY 2004 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU 9-65
PRELIMINARY
Table 9-37: Procedure to Remove Filter Tray Kit SGLN6222
Step Action
1 Perform the preparation procedure described in Table 9-30.
2 Disconnect the cables in the following order:
– RX MAIN connector (X35, blue) from RX MAIN (X04, blue) connector
RX DIV connector (X36, green) from RX DIV (X05, green) connector
See Figure 9-24.
3 Remove cMPC cable clip per Table 9-32, if necessary
Install Filter Tray Kit SGLN6222
Follow the procedure in Table 9-38 to install the Filter Tray.
Table 9-38: Procedure to Install Filter Tray Kit SGLN6222
Step Action
1 Put on an ESD wrist strap or other approved grounding device. Ensure that wrist strap is properly
grounded.
NOTE
Do not attach ESD wrist strap to BTS chassis.
2 If the filter tray to be installed is different from the one removed, proceed to the appropriate filter tray
installation procedure. Otherwise, proceed to step 5.
NOTE
Cables have two heat shrink sleeves with a slight separation between them. The cMPC cable clip
slides into this separation to hold the cables in place.
3 Install RX MAIN and RX DIV cables as follows:
– Ensuring the cable is on the inside of BTS, place RX DIV (green) cable into slot 1 of cMPC cable
clip (Connector labeled RX DIV faces towards the front of BTS)
– Place RX MAIN (blue) cable into slot 2 of cMPC cable clip (Connector labeled RX MAIN faces
towards the front of BTS).
– Place (red) cable into slot 5.
– Place (black) cable into slot 6.
See Figure 9-24.
4 Perform Table 9-33 to install the cMPC cable clip. (If it had been removed.)
5 Connect the input RX MAIN (blue) directly to output RX MAIN cable. Connect input RX DIV
(green) directly to the output RX DIV cable
6 Use tie–wraps to dress cables as necessary.
7 Install the rear right side vent panel. Ensure that the clip end faces the front of the BTS or towards the
left.
table continued on next page
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