ITS Telecom CGW-T Instrucciones de montaje
CGW-T/TS/D
Analog GSM/CDMA
Cellular Gateway
Installation and
Programming Manual
CGW-T/TS/D
Installation and Programming Manual
Release 1, Revision 1, May 2006
NOTICE
This manual describes the CGW-T/TS/D Analog GSM/CDMA Cellular Gateway.
Additional copies of this manual may be obtained from ITS. No part of this document may be
reproduced or transmitted in any form, by any means (electronic, photocopying, recording, or
otherwise) without the prior written permission of ITS.
ITS reserves the right to modify the hardware and software described in the manual without
prior notice. However, changes made to the hardware or software described does not
necessarily render this publication invalid.
WARRANTY
In the event that the product proves to be defective in workmanship or materials within a
period of one year from date of shipment, ITS shall repair or replace the product at its
discretion. Transportation will be the responsibility of the dealer/distributor.
Under no circumstances shall ITS be liable for consequential or special damages, loss of
revenue or user/dealer expenses arising out of or in connection with the use or
performance of the product, whether based on contract, tort, or any other legal
agreement.
The following shall void the above warranty: malfunctions resulting from fire, accident,
neglect, abuse, or acts of God; use of improper electrical power; or repair of, tampering with
or alteration of the product by anyone other than ITS authorized personnel.
Table of Contents
1Introduction............................................................................................... 1
1.1 Main Features .............................................................................................. 4
1.2 Contents....................................................................................................... 5
2Physical Description.................................................................................. 6
3Pre-Installation.......................................................................................... 7
3.1 GSM Gateway ............................................................................................ 7
3.2 CDMA Gateway (CGW-T Only)................................................................. 7
4Installation................................................................................................. 8
4.1 SIM Card Insertion into the Unit (GSM only)............................................. 8
4.2 CGW-T/TS/D Installation............................................................................ 9
5LCD Status Indicators and Diagnostics ................................................ 12
5.1 CGW-T/D LCD Status Indicators and Diagnostics ................................... 12
5.2 CGW-TS LED Status Indicators and Diagnostics ..................................... 17
6DTMF Programming.............................................................................. 22
7Technical Data......................................................................................... 32
7.1 CGW-T/TS for GSM Network .................................................................. 32
7.2 CGW-T for CDMA Network..................................................................... 34
8CGW-T/TS/D Accessories ...................................................................... 36
CGW-T/TS/D Installation and Programming Manual 1
1 Introduction
Your new CGW-T is an analog GSM/CDMA Cellular Gateway (CGW-TS/D – GSM only), a
cost reduction tool for mobile-to-landline and landline-to-mobile calls. It connects from the
trunk interface (analog FXO) of your PBX to a GSM network (via an inserted SIM card) or to
a CDMA network (by the built-in CDMA engine), eliminating the excessive interconnection
fees and significantly cutting your telephone costs.
The Automatic Route Select table (ARS) in the PBX defines which calls will be automatically
routed via the CGW-T to the predefined GSM/CDMA network. In doing so, the CGW-T/TS
gateway reduces the company’s telephone costs.
Installation of the CGW-T/TS/D does not require special skills. Simply insert the SIM card
(GSM networks only), connect the unit to the PBX trunk interface, attach the antenna and
power supply, and your CGW-T/TS/D can immediately start saving money for you. The unit
has an LCD display, which shows the GSM/CDMA operator’s name (CGW-T/D only), the
signal strength and other useful call progress information.
A number of additional parameters for the CGW-T/TS/D, such as Output Audio Volume level
setting, Conversation time-out and Restricted Digits, can be programmed via DTMF.
The CGW-T, CGW-TS and CGW-D units are displayed in Figure 1.
CGW-T CGW-TS CGW-D
Figure 1. CGW-T, CGW-TS and CGW-D Devices
2 CGW-T/TS/D Installation and Programming Manual
CGW-T/TS/D Installation and Programming Manual 3
Calls that are intended to be routed to the cellular network by the CGW-D, will be routed to
the PSTN network instead in the following cases:
A SIM card is not installed at all or not installed properly.
Cellular reception level is too low.
CGW-D device is in Registration mode.
CGW-D is not powered by the power supply.
NOTE
When the PSTN interface is plugged out, all calls shall be executed via a cellular
network, and a corresponding message will appear on the LCD display.
The Toll Restriction feature is implemented as follows:
CGW-T/TS devices use a black list of 10 restricted prefixes, which cannot be dialed.
CGW-D device uses a white list of 20 permitted prefixes, which are the only prefixes
that can be dialed via a cellular network.
4 CGW-T/TS/D Installation and Programming Manual
1.1 Main Features
The following list details the main features of the CGW-T/TS/D GSM/CDMA gateway:
Feature CGW-T CGW-TS CGW-D
Integrated dual-band GSM module (900/1800, 850/1900
MHz)
333
Integrated dual-band CDMA module (800/1900 MHz) 3
LED indicators 3
LCD indicators (signal strength, cellular operator name,
operational status)
33
DTMF programming: call barring (toll restriction),
conversation time-out, reverse polarity signaling support,
audio volume control, roaming control (GSM only), CLIR
(GSM only)
333
DTMF dialing 333
PSTN interface 3
Call forwarding
3
Line interface, 2-wire (RJ-11 connector) 333
Plug & Play installation 333
High voice quality 333
Maintenance free 333
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