User Manual
Table Of Contents
- toc
- 1 Introduction
- 2 Product Overview
- 3 Dimensions
- Size and Weight
- Surface and Colour
- 4 Space Requirements
- Footprint
- 5 Environment
- 6 Hardware Units
- 7 Interfaces
- 7.1 External Connections
- Connections on DF
- Overvoltage Protection Modules in the RBS 2106i and RBS 2106 V3
- Overvoltage Arrestors for External Alarms in the RBS 2106
- Antenna Connections
- Other External Connections
- External Connections to TM
- Transport Network to TM
- 7.2 Test Interface
- 7.3 Operator Interface
- Indicators
- Buttons
- 8 Power System
- 8.1 Power Supply
- AC Mains Supply Voltage
- External Earth Fault Circuit Breakers
- Mains Fuses
- 8.2 Battery Backup
- Internal Battery Backup
- External Battery Backup
- 8.3 Output Power to TM
- 8.4 Power Consumption
- 9 Transmission
- Optional Transmission Equipment
- 10 External Alarms
- 11 Standards, Regulations and Dependability
PRELIMINARY
RBS Product Description
The CDU combines transmitted signals from several transceivers, and
distributes the received signal to several transceivers. The CDU supports
EDGE. Three CDU types are used in the RBS 2106 to support all configurations:
• CDU-F is a filter combiner intended for high capacity solutions (baseband
hopping only).
Number of units: 1 – 3
• CDU-G can be configured either for high capacity or for high coverage. It is
a combiner that can be used for synthesizer or baseband hopping.
Number of units: 1 – 3
• CDU-K can be configured either for high capacity or for high coverage. It is
a combiner that can be used for synthesizer or baseband hopping.
Number of units: 1 – 6
CXU
The task of the Configuration Switch Unit (CXU) is to cross-connect the CDU
and the dTRU in the receiver path. The CXU enables a cabinet to be expanded
or reconfigured without moving or replacing any RX cables.
The RX inputs/outputs on the dTRU and the CDU are positioned so that they
minimize the number of cable types used to connect the CXU to the dTRUs
and the CDUs.
The CXU is configured using software.
Number of units: 1 – 2
DF
The Distribution Frame (DF) is a connection and Overvoltage Protection (OVP)
device for external alarms and PCM links. The DF protects equipment inside
the RBS from overvoltage and overcurrent which can occur in external lines.
Examples of equipment requiring OVP include transmission lines, ESBs and
external alarms.
Number of units: 1
DXU
The Distribution Switch Unit (DXU) is the central control unit for the RBS. It
supports the interface to the Base Station Controller (BSC), and it collects and
transmits the alarms. The DXU controls the power and climate equipment for
the RBS. It has a removable compact flashcard that enables replacement of a
faulty DXU without the need to load RBS software from the BSC.
26
129/1551-LZA 701 0001 Uen PF1 | 2010-10-08