Tuolima Network GSM Voice Modem User Manual
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GSM Voice Modem
User Manual
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Read First
Before operating the system, please read this manual thoroughly, and retain it for future
reference.
Attention
Please not leave the GSM Voice Modem.The GSM Voice Modem can only be used after has a
valid SIM card inserted. Please do not remove the shielding cover.
Warning
Hangzhou Tuolima Network Technologies Co., Ltd.will not fix the GSM Voice Modem that is
opened by user.In such case, its warranty will be terminated too.
1. Summary
More and more applications emerged with the rapid development of wireless data services, such
as vehicle navigation, remote monitoring, wireless Internet access, wireless POS, etc. Thus, more
and more devices need to be able to do wireless communication. With this background, Hangzhou
Tuolima Network Technologies Co., Ltd. develops its GSM Voice Modem. Users of this product
can add wireless communication capability easily to their own products, and then, develop many
applications.
The GSM Voice Modem mostly fits the need of data transfer, with SMS data communication,
GPRS data navigation, Circuit Switch / Data Connectivity, TCP/IP protocol etc. Because the easy
setting up in SCM (Single Chip Micyoco), it is convenient for network data communication. The
GSM Voice Modem with small size, which fits both embedded application and external peripheral
equipment. The AT command set and USB interface will offer easy data connection without any
extra circuit control.
Traditionally, the above applications use digital cellular, CDPD or other wire-line modem to
do communication, and these technologies are of the disadvantages of high communication
expense, limited communication range, dial before communications, etc. When we begin to
use GSM Voice Modem, all these problems disappeared.
Please read this manual carefully before your installation, and please keep this manual for
further reference.
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2. Interfaces
1 USB port,
SIM Card Holder
3. Features
Supporting both Chinese/English SMS data communication
Supporting 1900 MHz GSM band, better signal quality
Supporting AT Command Set
Standard USB port, easy to use
Industrial standard design and quality guarantee
4. Specifications
Operation temperature ˖-25 - +60ć
Storage temperature˖-35 - +80ć
Humidity ˖0 - 95ˁnon-condense
Current˖standby 50mAˈwork 300mA
Weight˖250g
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5. Installation
a) Open the SIM card holder, insert in a valid SIM Card provided by GSM network operator or
service provider.
b) Install the GSM Modem to your location.
c) Fix the USB cable to the GSM modem, the supplied cable will connect the unit to a PC. For
other devices you may need a crossover cable.
Make sure that all connections are properly
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6. Modem Basic Operation
A. Module connection with Hyper Terminal.
1. Establish or Open Hyper Terminal from All Programs ÆAccessories- Æ
Communications and setting up relevant parameters. Module baud rate is 115200.
(1). Establish connection.
(2). Setting up usage port.
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