Ericsson RBS 2106 Hardware Reference Manual page 259

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ASU
Antenna Sharing Unit
Unit Description
EN/LZT 720 0232 R1A
The Antenna Sharing Unit (ASU) is used as a part of co-siting, where a
cabinet, operating on another standard, shares antennas with a GSM cabinet
in the same sector.
Ant. S1 CDU1 RX1 RX1 CXU RX2 CDU1 RX2 Ant. S2
Ant. S3 CDU2 RX1 RX1 CXU RX2 CDU2 RX2 Ant. S4 Ant. S5 CDU3 RX1 RX1 CXU RX2 CDU3 RX2 Ant. S6
TMA Oper
DC in TMA/No TMA
P009058A