Reference Manual Part 1

RBS 2206
Table 7 External Connections
ESB-2 ESB to co-sited
cabinets
15-pin female, D-sub
FCU RD Optical cable connector
from the BBS
Opto connector
+24 V DC DC filter Cable clamp
Earth Earth stud M8 to main
earth cable
M8 stud
ACCU Mains connection to
PSU-AC
Screw terminal
DCCU -48 V connection to
PSU-DC
Screw terminal
ASU Antenna sharing
connections
SMA-connector
TMA-CM Power supply the TMA
with DC power
SMA-connector
DXX Transmission link TNC-connector
GPS Synchronisation signal
from GPS antenna
9-pin female, D-sub
6.2 Test Interface
The test interface for the RBS 2206 is on the front panel of the DXU-21 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.
6.3 Operator Interface
The Man Machine Interface (MMI) in the RBS 2206 is based on visual indicators
and buttons located on the hardware units in the cabinet.
Indicators Description
AC Fault One or more phases are faulty
External Battery mode Indicates that the RBS is running on
battery
RBS fault One or more faults are detected on
RUs in the RBS
DC disconnected Indicates that DC (system voltage)
is disconnected
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EN/LZT 720 0225 Uen R6A