User's Manual

Radio Base Station RBS 2308
14 (22) 2/EN/LZT 720 0327 P1D
Table 8 External alarm connection parameters
Type of connector
Terminals for 8 x 2.5 mm
2
(maximum)
conductors
Cable gland capacity 6 – 10 mm diameter (Quantity: 2)
Number of alarms 4
Earthing Connection
The earthing connection is an M8 screw terminal located on the top of the
MBU.
MINI-LINK / LMU Power Supply
The RBS 2308 can supply DC power to a MINI-LINK E Micro or to an LMU.
This interface is located on the IXU. Parameters are given in the table below.
Table 9 MINI-LINK / LMU power supply connection parameters
Type of connector Terminals for 2 x 2.5 mm
2
(maximum)
Cable gland capacity 6 – 10 mm diameter (Quantity: 1)
Other External Connections
Table 10 External connections
Connection
Location
Connection to Type of connector
MBU
AC Mains
connections
Screw terminal for 3 x 5.26 mm
2
(maximum) conductors; cable gland
capacity 14 mm diameter.
IXU
GPS/LMU
(synchronisation
or positioning)
25-pin D-sub HD, female
6.2 OMT Interface
The OMT interface for RBS 2308 is located on the right side of the IXU. It is a
9-pin D-sub (female) connector.
6.3 Operator Interface
The Man-Machine Interface (MMI) in the RBS 2308 is comprised of indicators
and buttons located on the hardware units in the cabinet.
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