Ericsson RBS 2308 Caractéristiques techniques
EN/LZT 720 0327/3 Uen R1A
RBS 2308
Micro RBS
Product Description
The RBS 2308, a member of the RBS 2000 family, is a 4 TRX radio base
station for indoor or outdoor use.
P010083A
E
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RBS 2308Micro RBS
Contents
1 Product Overview 3
1.1 Main Features 3
1.2 Variants 3
1.3 Optional Equipment 4
2 Dimensions 5
3 Space Requirements 7
4 Environment 8
4.1 Operating Environment 8
4.2 Environmental Impact 9
4.3 Materials 9
5 Hardware Units 10
5.1 Standard Hardware Units 10
5.2 Optional Hardware Units 12
6 Interfaces 13
6.1 External Connections 13
6.2 Internal Interface 19
6.3 OMT Interface 20
6.4 Operator interface 20
7 Power System 24
7.1 Power Supply 24
7.2 Battery Back-up 25
7.3 Output Power 25
7.4 Power Consumption 25
8 Transmission 27
9 External Alarms 27
10 Standards, Regulations and Dependability 28
10.1 Safety Standards 28
10.2 Other Standards and Regulations 28
11 Vandal Resistance 29
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RBS 2308 Micro RBS
1 Product Overview
The RBS 2308 is an outdoor micro base station. It can be used for indoor or
outdoor applications, with four transceivers (TRX). The cabinet can be mounted
on walls, poles or masts.
The RBS 2308 is designed for use with BSS R9.1C or later. It supports GPRS
(CS-1, CS-2, CS-3, and CS-4), HSCSD, and EGPRS in the Micro concept.
Main applications of the RBS 2308 are:
• Hot spots, adding supplementary coverage
• Providing EDGE capacity
• Public meeting places, supplying additional capacity in dense areas
• Replacement of existing RBS 2302 sites where higher capacity is required.
1.1 Main Features
The RBS 2308 can support, among others, the following features:
• Scalableupto12TRXs
• EDGE
•Externalalarms
• Multidrop by-pass
• Positioning with GPS/LMU
• Power supply for MINI-LINK E Micro or LMU
• Synchronized networks
1.2 Variants
The RBS 2308 can support the following frequencies:
• GSM 1900
• GSM 800
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RBS 2308Micro RBS
1.3 Optional Equipment
The equipment listed below is available, but is not necessary forbasic operation:
•Fan unit
•Mast-mounting fixtures
•Multicasting Box (MCB)
•RX Bandpass Filter (RXBP)
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RBS 2308 Micro RBS
2 Dimensions
This section describes the RBS 2308 dimensions, space requirements and
colour.
Size and Weight
The dimensions of the basic RBS 2308 cabinet (without options) are shown
in the figure and table below.
P010098B
610
220
430
Unit of measurement: mm
Figure 1 RBS 2308 dimensions
Use of the fan will increase the height of the cabinet, see table below.
Table 1 Maximum dimensions with and without fan
Dimension Basic RBS 2308 RBS 2308, maximum
dimensions
Height 610 mm 742 mm(1)
Width 433 mm 433 mm
Depth 224 mm 270 mm(2)
(1) With fan unit.
(2) With RXBP.
The weights of the RBS 2308 and of the major units to be handled are given in
the table below.
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RBS 2308Micro RBS
Table 2 Weights of RBS 2308 and major units
Unit Weight
IXU 9.5 kg
MBU 6.5 kg
RRU 23.5 kg
Sunshield 1.5 kg
Total 41 kg
Colour
The RBS 2308 is available in grey (reference number NCS S2502–R).
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3 Space Requirements
For installation and maintenance, and proper cooling during operation, the
space in front of the cabinet must be kept clear for a distance of 500 mm,
and there must be at least 250 mm of free space on either side. 300 mm
free space is required above the cabinet. The distance between the cabinet
and the nearest obstruction below (floor, filing cabinet, another RBS, and so
on) must be at least 500 mm.
No free space is needed at the back of the cabinet.
The figure below shows the minimum space requirements and the dimensions
of the RBS in relation to the mounting base (if used). This information can be
used to determine a suitable location with respect to other equipment at the site.
P010156B
Minimum space requirements
Units of measurement: mm
587
139 180 114
145
225
217
433
500
250
300
250
250
250
500
BS
Figure 2 Space requirements
Mounting Base Holing Pattern
The mounting base of the RBS 2308 has the same holing pattern as that of the
RBS 2302 mounting base, see Figure 2 on page 7.
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RBS 2308Micro RBS
4 Environment
This section provides an overview of the operating environment, environmental
impact, and materials used in the RBS 2308.
4.1 Operating Environment
The operational temperature limits of the RBS 2308 depend upon the power
supply and whether or not the fan is used, see tables below.
Table 3 Start-up and operational requirements using AC power
RBS 2308 Variant Temperature range Relative Humidity
Without optional fan –33 Cto+45C15 –100%
With optional fan –33 Cto+55C15 –100%
Table 4 Start-up and operational requirements using DC power
RBS 2308 Variant Temperature range Relative Humidity
Start-up 0Cto+45C15 –100%
Operational, without
optional fan –15 Cto+45C15 –100%
Operational, with
optional fan –15 Cto+55C15 –100%
Temperature limits for transport, storage and handling of the RBS 2308 are
given in the table below.
Table 5 Transport, storage and handling climatic requirements
Condition Temperature range Relative Humidity
Transport –40 Cto+70C5–100%
Storage –25 Cto+55C10 –100%
Handling –40 Cto+70C5–100%
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RBS 2308 Micro RBS
4.2 Environmental Impact
This section describes the effects that the cabinet has on the environment.
Heat Dissipation
Average heat loads of the RBS 2308 are given in the table below. The
exact figures are dependent upon configuration, equipment and site-specific
conditions.
Table 6 Average heat load
Operation Condition Average Heat Load
Without heating 315 W
Acoustic Dispersion
The RBS 2308 cabinet does not contribute to the acoustic noise of its
surroundings.
The optional fan unit generates acoustic noise. The maximum sound power of
the fan unit is given in the table below.
Table 7 Average heat load
Ambient Temperature Sound Power Level
<30 C5.5 Bel
Maximum operating temperature 6.5 Bel
4.3 Materials
All Ericsson products fulfil the legal, market, and Ericsson requirements
regarding:
•Fire resistance of material, components, wires and cables
•Declaration of materials
•Use of restricted materials
•Recycling
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5 Hardware Units
A high level of availability is achieved using strict functional modularity in a
system of standardised Replaceable Units (RUs). A faulty RU can easily be
replaced by a new one.
P010530A
TIM
MCB
Sunshield
U Flash Card
Sunshield Screw plugs
IXU ( BS 2308 Master)
MBU
Fan
XBP
Fan Cover
Figure 3 RBS 2308 overview
5.1 Standard Hardware Units
This section briefly describes the standard hardware units required for
operation.
Flash Memory Card
All loadable software and the IDB are stored on this card. The cards contains
all information for configuring replacement units if RBS 2308s are exchanged.
Number of units: 1
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2
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