Reference Manual

Unit Description, CXU-10
The CXU is also connected to a CDU bus. By sending data through the
CDU bus, the switches can be set to fulfil one of six supported
configurations.
Inside the CXU there are also some splitters to distribute the incoming
RX-signals to the switches and in some cases directly to an output.
The RF cables between CDU-CXU and CXU-dTRU are supervised.
10.3 External Interfaces
The CXU has the following connectors:
•
Six inputs for RX signals from the CDU
• Twelve outputs for RX signals to dTRU
• CDU bus connector for alarm and configuration settings
• Power supply connector
The CXU has the following indicators:
• Operational – green
•
Fault – red
RXI TRU1 RX2 RXI CDU RX2 RXI TRU2 RX2 RXI TRU3 RX2 RXI TRU4 RX2RXI CDU2 RX2 RXI TRU5 RX2 RXI CDU3 RX2 RXI TRU6 RX2
Oper Fault
DC/CD U3 CDU bus
CXU-10 900
P007458A
Figure 94 CXU-10, external interfaces
10.4 Technical Data
Table 97 Technical data
Height 22 mm
Width
482.6 mm (19″ standard)
Depth 120 mm
Weight 2kg
Max. power consumption 10 W
166 (485)
EN/LZT 720 0008 P2A
2001-11-28
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