Ericsson RBS 2106 Hardware Reference Manual page 66

Radio Base Station
Other External Connections
Table 9
Connection
Location
AC connection
box
ACCU
Reference
Earth
External connections to TM
Optical fiber and MiniLink radio cables are connected to the TM via connection
field 3. Twisted pair cables connect to the TM via the OVP.
Transport Network to TM
The external line from the transport network interfaces to the transport
module. The type and impedance of the connector may differ from operator to
operator.
6.2 Test interface
The RBS 2106 is equipped with test interfaces for connection of external
equipment.
13 MHz reference signal The 13 MHz reference signal used to synchronise
System voltage test
OMT
6.3 Operator Interface
The Man-Machine Interface (MMI) in the RBS 2106 is comprised of indicators
and buttons located on the hardware units in the cabinet.
22 (30)
External connections
Connection to
AC Mains
connections
AC Service outlet
Earthing
connection
test equipment is located on the DXU.
The system voltage test port provides access to the
system voltage (+24 V DC). It is located on the
IDM.
The OMT interface is located on the front of the
DXU.
Type of connector
Screw terminal for wires 4 – 16 mm
•
IEC 83:1975 standard C 2b (Sweden,
Germany and others)
• IEC 83:1975 standard B2, same as
BS 1363:1984 standard 13A (UK)
• IEC 83:1975 standard A5-15 (USA)
2
M8 screw, 50 mm stranded copper wire
RBS 2106
EN/LZT 720 0222 R3A