Installation Manual

Release 3.3, Revision A 1/99
BTS Field Maintenance 119
Step 5
Using a Phillips screwdriver, unscrew the screw located at the top of the clock module.
Step 6
Pull out the clock module.
Step 7
Place the new clock module into the appropriate slot in the chassis (refer to Figure A3-1) and slide in
the module until it completely rests inside the slot. Push the module firmly into place.
Step 8
Using a Phillips screwdriver, screw in the removed screw onto the clock module.
Step 9
Using a torque wrench (set to 8 in. lbs.), reconnect the RF semi-rigid cable to the new clock module
Step 10
Power on the WAVEXpress/BTS by switching the power switch to the ON position.
Step 11
Monitor the bootup process, refer to the maintenance manual for procedures.
Step 12
Conduct the clock check procedure on the clock module. Refer to Craft PC guide for procedures.
Figure A2-5:
Clock module semi-rigid cable layout (only the clock cable is shown above)
TX
6.7
2,3
4,5
6,7
2,3
4,5
-1-
RX
RX
RX
TX
TX
CLK
PWR
ON
LINE
FLT
RX
TX
TEST RF DIST
-3-
-2-
PWR
ON
LINE
FLT
RX
TX
Clock cable
RF Distribution card
TRX cards