Reference Manual

Unit Description, ASU

CDU

ASU

CXU

dTRU

RXB

RXA

TX/RX TX/RX

P008373A

RBS 2206/2106 Co-sited RBS

Figure 100 RX signal path

12.2.2 Cable Path and Supervision

The RF cables between the ASU and the co-sited RBSs can be

supervised by the TMA support function in the TDMA cabinet.

12.3 External Interfaces

The ASU has the following connectors:

• six input ports for RX signals from the CDU

• six output ports for RX signals to the CXU

• six output ports for RX signals to the co-sited RBS

• power supply connector.

P008470A

1 2 3 4 5 6 7 8 9 10 11 12

13 14 15 16 17 18

Figure 101 ASU connection ports

174 (485)

EN/LZT 720 0008 P2A

2001-11-28

Preliminary