Installation Instructions

1X UBS Macro B T S FRU RX Splitter
P erform the steps in Procedure 11 -1 to replace an RX splitter .
Procedure 11 -1 R eplacing an RX Splitter
A T THE BTS SITE
1
W ear a conductive, high impedance wrist strap.
2
Disconnect all cables from the front panel of the RX splitter and move them out of the way .
3
Using a T25 TORX driver , remove the two RX splitter mounting screws; one screw at each of
the end mounting tabs on the front of the module.
4
Carefully remove the RX splitter from the bottom of the XMI shelf .
5
Mount the replacement RX splitter to the bottom of the XMI shelf . Use the two RX splitter
mounting screws; one screw at each of the end mounting tabs on the front of the module.
6
Using a T25 TORX driver , tighten the two RX splitter mounting screws to 4.77 N-m (42 in-lb).
7
Reconnect all cables to the front panel of the RX splitter .
8
This completes the physical installation of the FRU . If optimization is to be performed at this
time, see Optimization Required following this table.
Optimization Required
P erform the following BTS Optimization/A TP procedures:
• RS SI T est (FER T est is optional)
Refer to the 1X UBS Macro BTS Optimization/A TP manual for the optimization procedures.
68P09283A64 -3 11 -5
SEP 2007 FOA