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NGT Remote Control

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									                                                                        H F R A D I O C O M M U N I C A T I O N S

NGT Remote Control

  The Codan NGT Remote Control System (NRCS) is the smart way to achieve clear
  and reliable communication when your transceiver site is located in an area
  affected by electrical interference. Clearer communication is achieved by
  relocating the NGT HF transceiver and antenna system to an area with little or
  no electrical interference. Using an NRCS, the transceiver can be operated from
  a convenient location such as an office or workplace.

  The NRCS consists of a line modem and NGT Remote Interface (NRI) 3030 at
  each site. A single 2-wire leased line is all that is required to connect the control
  and transceiver site.


  Simple to use                           Single leased line                     Rugged design
  The NRCS enables the NGT                By using the latest in digital voice   All Codan products are designed
  transceiver to be operated as if it     technology, the NRCS can operate       to withstand the toughest
  were located locally. All               with only a single 2-wire leased       conditions and come with full
  transceiver operations are              line.                                  product support. A three year
  available via the user-friendly                                                warranty is available with all
  NGT desk console, which consists                                               Codan manufactured products. A
  of a junction box, NGT handset                                                 one year warranty is available for
  and speaker. These operations                                                  the switchmode power supply
  include scanning, selective                                                    and modem supplied.
  calling, receiving calls, and
  changing transceiver settings and
  personal addresses.

                                          ADVA N CE D           FEATU R ES

                                          System flexibility                     Line equalisation
                                          The NRCS can be used with NGT          The NRCS includes a line modem,
                                          AR and SR transceivers for simple      which uses proven data modem
                                          voice-only applications.               technology. Like Codan products,
                                                                                 the industrial quality modem is
                                          With suitable Codan auxiliary          built to survive in harsh
                                          equipment, this system also            environments and provides
                                          supports GPS tracking systems,         excellent reliability. Line
                                          data communication and                 equalisation is automatic,
                                          radio-telephone interconnect.          allowing a simple set up.

                                          The system is enhanced by the          I N F O R MATI ON
                                          transceiver’s features such as
                                          Easitalk, Phone call, smart
                                          address book, emergency selcall,       For information on various
                                          built-in test equipment, and           system capabilities, requirements
         NGT desk console, NRI and        remote diagnostics. Wherever           and ordering, please refer to
         line modem at the control site   permitted, the Codan Automated         Codan’s System Solutions sheets.
                                          Link Management (CALM) facility
                                          is supported.
                  HOW        IT    WOR KS

                  System configuration                       maintain this link, the NRIs use a           Geographical distances greater
                                                             full duplex RS232 connection                 than 19 km may be possible if the
                  The NGT desk console, NRI 3030
                                                             with a speed of 9600 bps or more.            line connection between the
                  and line modem can be installed
                                                             In the solution provided by Codan,           control and transceiver site is via
                  in a variety of convenient
                                                             this is achieved by using                    one or more telephone
                  locations. This location (control
                                                             industrial quality modems                    exchanges. However, the total
                  site) is connected by a 2-wire
                                                             configured for use on leased lines.          length of standard grade wire
                  leased line to a remote location
                                                                                                          connecting both sites to any given
                  (transceiver site), which consists
                                                             System operating range                       exchanges should not exceed
                  of an NRI, line modem and NGT RF
                                                                                                          19 km.
                  unit.                                      Using the line modems supplied
                                                             by Codan, the total length of
                  Digital link                               2-wire cable between the control             Power
                                                             site and the transceiver site can            At the control site the NRI and
                  The NRIs relay both audio and
                                                             be up to 19 km using 0.64 mm                 line modem are powered by a
                  control information between the
                                                             diameter copper wire                         switchmode power supply and at
                  sites by converting the audio into
                                                             (10 lb line)—standard grade line             the transceiver site they are
                  a digital format and combining it
                                                             for Telstra Australia.                       powered by a 9114 power supply.
                  with the control data. To

                  SP ECI F I C ATI O N S

                                               For NGT Remote Interface                          For Industrial Line Modem
                  Power consumption            Less than 350 mA at 12 V DC                       Online, 300 mA
                  Temperature range            0°C to 60°C                                       –10°C to 60°C
                  Humidity operating range     0 to 95%                                          0 to 95%
                  Power                        Powered by switchmode power supply                Powered by NGT Remote Interface
                                               (at control site) and 9114 power supply
                                               (at transceiver site)
                  Size and weight              210 mm W x 240 mm D x 65 mm H; 1.8 kg             90 mm W x 130 mm D x 35 mm H; 0.85 kg
                                                                                                 (weight includes packaging and accessories)
                  Line interface               N/A                                               Leased line
                                                                                                 V.32, V.32bis, V.34: 2400-2800 bps
                                                                                                 modem standard
                                                                                                 Rx sensitivity: –43 dBm
                                                                                                 Tx level: –11 dBm
                  Modem interface              NRI to line modem interface: RS232 with           N/A
                                               hardware handshaking
                                               Minimal 9600 bps full duplex

                  Voice-only application

                                                                                                                                                        TRANSCEIVER SITE

                                                          2-wire leased land lines

                                                                                         RF unit, NRI, line modem
                          NGT desk console,                                              and 9114 power supply
                          NRI and line modem

                                                                   Equipment descriptions and specifications are subject to change without notice or obligation.
                                                                   NGT® and CALM® are registered trademarks of Codan Limited.

Head Office                                                                                         12-20132-EN       Issue 1:           5/01

Codan Limited                           Codan Limited                       Codan (UK) Ltd                         Codan US, Inc.
ABN 77 007 590 605                      ABN 77 007 590 605                  Gostrey House                          10660 Wakeman Ct
81 Graves Street                        532 Seventeen Mile Rocks Road       Union Road                             Manassas VA 20110
Newton SA 5074                          Sinnamon Park Qld 4073              Farnham Surrey GU9 7PT                 USA
AUSTRALIA                               AUSTRALIA                           UNITED KINGDOM
Telephone +61 8 8305 0311               Telephone +61 7 3291 6333           Telephone +44 1252 717 272             Telephone +1 703 361 2721
Facsimile +61 8 8305 0411               Facsimile +61 7 3291 6350           Facsimile +44 1252 717 337             Facsimile +1 703 361 3812                                                     

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