User's Manual

Samsung CDMA BSS: Indoor BTS Installation Manual
40
BSS Version 4, Document V4D0001 release 0.5, Indoor BTS Installation Manual, release 2.0
Connecting the BBU/rectifier alarm cable
The BBU/rectifier alarm cable is routed using a combination of cable
ladders, cable pass-through, and cable trays. Cable ties are applied
wherever appropriate. The procedure is as follows:
1 Route the customer alarm cable from the BBU to the top of SBR1.
2 Attach the 9-pin female AMP connector to the BBU alarm cable. The
pinouts on this connector are shown in the following diagram
The pin assignments on this connector are as follows:
3 Label both ends of the cable.
4 Connect the BBU/rectifier cable to the BBU alarm connector on the
top of the SBR
5 Complete the appropriate boxes in the Indoor BTS Installation
Record.
Pin No. Alarm function
1 PC Tx+
2 PC Tx-
3 ground
4 PC Rx+
5 PC Rx-
6 n.a.
7 n.a.
8 n.a.
9 n.a.