Installation Manual

Release 3.3, Revision A 1/99
Internal BTS Cabling and Jumpering 19
2-2.1 Clock Cable Connection
Step 1
Locate the clock cable, labeled with the descriptor CLK and part number 740049.
Step 2
Ensure that one end of the cable is connected to the SMA connector labeled CLK on the RF Dist module,
and the other end is connected to the SMA connector labeled RF DIST on the clock module.
Step 3
Using a SMA torque wrench, check that the SMA connectors on either end of the cable are tightened to
7-10 in/lbs. (80-115 N cm).
Figure 2-8:
Routing of the clock cable
TEST RF DIST
PWR
ON
LINE
FLT
CON
EXT
XREF
SCN
ON
1
OFF
0
ON
1
OFF
0
PORT B
12
PORT A
12
ALARMS
FLT
ON/LINE
PWR
ALARMS
TX
6.7
2,3
4,5
6,7
2,3
-1-
RX
RX
RX
TX
TX
CLK
PWR
ON
LINE
FLT
RX
TX
-3-
-2-
PWR
ON
LINE
FLT
RX
TX
PWR
ON
LINE
FLT
RX
TX
4,5
Clock Cable
IW006901
Clock Module