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Customer Care Solutions
DTX-3 Series Transceivers
General Information
Issue 1 4/03 Nokia Mobile Phones Ltd.
DTX-3
General Information CCS Technical Documentation
Table of Contents
Page No
Introduction to DTX-3 (Nokia 32) ....................................................................................................... 3
Product Concept Generally ................................................................................................................ 3
Concept ................................................................................................................................................... 3
Nokia 32 Sales package contents .................................................................................................... 5
Technical Specifications ........................................................................................................................ 6
Mechanical Characteristics ............................................................................................................... 6
Environmental Conditions ............................................................................................................... 6
Page 2 Nokia Mobile Phones Ltd. Issue 1 4/03
DTX-3
CCS Technical Documentation General Information
Introduction to DTX-3 (Nokia 32)
Nokia 32 PBX Connectivity Terminal includes two modules:
1. Nokia TME-3 or Nokia TME-4 GSM transceiver
2. Nokia DTX-3 application module.
The Nokia TME-3 is a Class 4/5 (EGSM900) and Class 1/2 (EGSM1800) dual band GSM
terminal. The Nokia TME-4 is a GSM850/1900 dual band terminal.
The DTX-3 provides an analogue two-wire connection for a landline telephone set or PBX
(Private Branch eXchange) trunk or extension connection.
The main purpose of the Nokia 32 is to provide direct GSM connection for companies
using fixed line PBX.
Calls targeted to the GSM network can be diverted via Nokia 32. Thus the company gets
a direct connection to a GSM network from the internal fixed line telephones without
the costly interconnection fee between fixed and GSM networks.
Product Concept Generally
Nokia 32 PBX connectivity terminal is a GSM device for PBX (Private Branch Exchange)
connections. Nokia 32 has interfaces for PBX trunk and extension connections and the
trunk connection can be also used for normal landline telephone connection substituting
fixed telephone line. The terminal also supports data connections with CSD, HSCSD and
GPRS.
The telephone line connections for Nokia 32 are provided with standard two-wire con-
nection through RJ-11 connectors. Each connection method, trunk and extension, have
their own dedicated RJ-11 ports. The data connection is provided via RS-232 connection
over a D9 female connector. In addition, Nokia 32 has interfaces for power supply and
external antenna adapter. Nokia 32 internal antenna is used when there is no need for an
external antenna.
The main purpose of Nokia 32 is to use it as a GSM router beside a company PBX. Com-
pany calls to GSM numbers are routed via Nokia 32 in order to gain cost savings in GSM-
to-GSM calls and the fixed telephone line is bypassed. Nokia 32 also gives the opportu-
nity to use GSM network features in landline environment.
Concept
(For list of abbreviations kindly refer to the manual section Modules.)
1. The Nokia 32 is connected to an analogue trunk interface of a PBX.
2. The Nokia 32 is connected to an analogue extension interface of a PBX.
The Nokia 32 is attached either to an analogue trunk (fig. 1) or an analogue extension
Issue 1 4/03 Nokia Mobile Phones Ltd. Page 3
DTX-3
General Information CCS Technical Documentation
(fig. 2) line of the PBX.
Figure 1: Nokia 32 connected to a Trunk Interface of a PBX
PSTN
Network
GSM
Network
Figure 2: Nokia 32 connected to an analog extension interface of a PBX
PSTN
Network
GSM
Network
After the Nokia 32 has been connected to a PBX, the PBX may require reconfiguration to
route mobile targeted calls via the Nokia 32. This reconfiguration requires special know-
how about the PBX. In order to perform successful installation, further information must
be asked from the PBX supplier. In no conditions it is recommended to do the installation
without adequate know-how and tools.
When Nokia 32 is connected to the extension side of the PBX, the originator of call
affects to the routing by calling to the extension where Nokia 32 is connected and then
keys in the targeted mobile number.
Page 4 Nokia Mobile Phones Ltd. Issue 1 4/03
DTX-3
CCS Technical Documentation General Information
Nokia 32 Sales package contents
:
Table 1: Nokia 32 sales package contents
Item Name Type code Material code
1 User's Guide
2 Connectivity Terminal TME-3 0600344
TME-4 0600342
3 Application Module DTX-3 0630596
4 Power Supply ACW-5B 0630526
4 Power Cord alternatives Euro: PCW-5 0730248
UK: PCW-5X 0730247
US: PCW-5U 0730246
4 DC Cable AKD-2A 0730248
5 Installation Kit 0262959
Issue 1 4/03 Nokia Mobile Phones Ltd. Page 5
DTX-3
General Information CCS Technical Documentation
Technical Specifications
Mechanical Characteristics
Unit Dimensions (mm) Weight (g) Notes
TME-3 terminal 84 x 53 x 26 65 Without power supply
DTX-3 Application Module 121 x 158 x 45 174 Without power supply
Technical specifications
Data Standard RS-232.
All applicable ITU-T V.25ter, ETSI GSM 07.07 and ETSI GSM 07.05 commands are sup-
ported.
HSCSD max 43.2kbits/s (Depending on operator services).
GPRS multi-slot class 6 (3+1, 2+2, 2+1).
User Interface Features
User Interface consist of three two-colour light indicators that show the state/mode of
the TME-3 or TME-4 and DTX-3. Some user interface functionality is contained in the
software application running in the host computer.
Environmental Conditions
Ambient temperature Ambient humidity
Parameter
(degrees Celsius) (relative)
Max operation -10 to +55 20 to 75%
Storage -40 to +85 5 to 95%, non condensing
TME-3/TME-4 is not protected against ingress of water. DTX-3 may be instantaneously
subjected to dripped or condensed water. Longer term contact with water will cause per-
manent damage.
TME-3/TME-4 and DTX-3 do not break mechanically after a free fall from 100cm (about
40 inches) height to a concrete floor.
Page 6 Nokia Mobile Phones Ltd. Issue 1 4/03