User Manual

Table Of Contents
CDU-D Combining and Distribution Unit
5 Interfaces
This section describes the following CDU-D interfaces:
Signal and power interface
Operator interface
All interfaces are located on the front panel of the CDU-D, see figure below.
P003121A
HL out A1 HL out A2 HL in A RXA out 1
RXB out 1
RXA out 2 RXA out 3 RXA out 4 RXA out 5 RXA out 6
RXB out 2
RXB out 3
RXB out 4
RXB out 5
RXB out 6
RX Ant A RX Ant B
HL in B HL out B2 HL out B1
Fault
Operational
CDU-bus in
DC in
Pf test TX Ant Pr test
FUd
TXio 1 TXio 1 TXio 1
TXio 2 TXio 2 TXio 2
Pf in Pi 1 Pi 2 Pr in Pf in Pi 1 Pi 2 Pr in Pf in Pi 1 Pi 2 Pr in
Operational
Operational
Fault
Operattional
Fault
Operattional
Fault
DU
CU
TXin 2
TXin 2
TXin 2
CU CU
RX out
Pfwd 3
Pfwd 2
Pfwd 1
Pfwd 3
Pfwd 2
Pfwd 1
DC out
DC in
CDU-Bus out CDU-Bus in
Figure 3 CDU-D Interfaces
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EN/LZT 720 0279 Uen R1A