User Manual

Table Of Contents
Ericsson Internal
DESCRIPTION 21 ( 34 )
/ XSNSIXI 19/1551-LZA 701 0001 Uen
CBC/ XRX/M ( Kai Lian) 2011-05-05 G
Prepared (also subject responsible if other) No.
Approved Checked Date Rev Reference
The fan control is integrated in the DXU and controls the fans in the cooling
system by regulating fan speed.
Number of units: 1
IDM-11
This variant of the Internal Distribution Module (IDM) is a panel for distributing
the internal +24 V DC power to the various units. Each distribution circuit in
the cabinet is connected to an IDM circuit breaker.
Number of units: 1
PSU
Two types of Power Supply Unit (PSU) are available:
PSU-AC-32, a variant of the PSU that converts AC to DC (PSU-AC), which
converts 120–250 V AC to regulated +24 V DC
PSU-DC-32, a variant of the PSU that converts DC to DC (PSU-DC), which
converts
48 V DC or 60 V DC to regulated +24 V DC
Number of units: 0–3
6.3 Optional Hardware Units
This section describes the optional hardware units available for the RBS 2206
and RBS 2206 V2.
ASU-01
The Antenna-Sharing Unit (ASU) is part of co-siting, that is, using another
cabinet together with a GSM RBS cabinet in the same sector. The ASU allows
a TDMA (or other) cabinet and a GSM RBS cabinet to share RX antennas.
Number of units: 0–1
Bias Injector
The bias injectors are mounted directly on the CDU antenna connectors.
Number of units: 0–6
BBS
The RBS can be provided with a Battery Backup System (BBS) from an
external cabinet.