User Manual

Ericsson Internal
DESCRIPTION 18 ( 24 )
/ XSNJOER 174/1551-LZA 701 0001 Uen
EAB/ FJG/YP ( Louise Cederlund) 2007-06-12 A
Prepared (also subject responsible if other) No.
Approved Checked Date Rev Reference
Connection Name
Description
Connector Type
+24 V DC DC filter + connection Cable clamp
+24 V DC DC filter - connection Cable clamp
Earth Earth stud M8 to main
earth cable
M8 stud
ACCU 1–2 Mains connection to
PSU-AC 1–2
Screw terminal
DCCU 1–2 48 V connection to
PSU-DC 1–2
Screw terminal
7.2 Test Interface
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.
7.3 Operator Interface
The Man Machine Interface (MMI) in the RBS 2207 is based on visual indicators
and buttons located on the hardware units in the cabinet.
Internal Indicators
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
Local mode The RU is in local mode
Operational The RU is operational
Test result Indicates the result of tests
Transmission
OK
Indicates state of transmission on ports A–D
RF off RF not enabled
Buttons
dTRU reset Resets the dTRU
DXU reset Resets all subunits