User Manual

Interfaces
Connection
Description
Connector Type
External alarms External alarm inputs from
DF
Champ .050 (on DXU)
ESB-1 ESB to co-sited cabinets Female 9-pin D-sub
(on DXU)
ESB-2 ESB to co-sited cabinets Female 9-pin D-sub
(on DXU)
DCCU-13 +24 V DC battery backup 2 terminals
Earth Main earth terminal M8 stud (cabinet top)
ACCU-11 AC power to PSU-AC-32 Screw terminals
DCCU-11
0 48 V DC power to
PSU-DC-32
Screw terminals
ASU Antenna sharing
connections
SMA connector
TMA power DC power supply through
bias injectors to the TMAs
Female 15-pin D-sub
(on TMA-CM)
GPS Synchronization from GPS
antenna
RJ-45 (on DXU)
7.3 Test Interface
The test interface for the RBS is on the front panel of the DXU unit. The
Operation and Maintenance Tool (OMT) port is used to connect the OMT to
the RBS. A remote OMT can also be used from the BSC, which sends signals
over the Abis interface.
7.4 Operator Interface
The Man Machine Interface (MMI) in the RBS is based on visual indicators and
buttons located on the hardware units in the cabinet.
Indicators Description
Battery mode Indicates that the RBS is running on battery
RBS fault One or more faults are detected on RUs in the
RBS
EPC bus fault Indicates the state of the EPC bus
Ext alarm One or more supervised external alarms are
active
Fault Fault detected and localized to the RU
25
19/1551-LZA 701 0001 Uen PG1 | 2010-10-08