Reference Manual

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DXU-21
Distribution Switch Unit
Unit Description
EN/LZT 720 0244 R1A
The Distribution Switch Unit (DXU) is a CPU, which acts as an interface
between the transmission network and the transceivers. It also extracts timing
information from the PCM link and generates a timing reference for the RBS.
P009064A
Local
Fault
Operational
RSB Fault
Ext Alarms
EPCbus fault
EOMbus fault
DXU reset
Local Remote
Tes t
EPC
V7-12
V 1-6
Status
Port A
Port B
Port A
Port B
Por t C
Por t D
Status
Por t C
Por t D
OMT
ESB
GPS
EOM