Specifications

4 6696-2230
1. Legal information
The content of this document are provided “as is”. Except as required by applicable law,
no warranties of any kind, either express or implied, including, but not limited to, the
implied warranties of merchantability and fitness for a particular purpose, are made in
relation to the accuracy and reliability or contents of this document.Westermo reserves
the right to revise this document or withdraw it at any time without prior notice
Under no circumstances shall Westermo be responsible for any loss of data or income
or any special, incidental, and consequental or indirect damages howsoever caused.
More information about Westermo can be found at the following internet address:
http://www.westermo.com
2. Description
The GD-01 US provide a reliable data communication link over GSM networks.
The unit has been designed for use in industrial data communication applications
and have several features that are not normally present on standard GSM modems.
The GD-01 US is a DIN-rail mounted modem with RS-232 interface in either a 9-pin
D-sub or in a 5-pin screw terminal.
Features:
Dual band GSM 850/1900 Mhz
GPRS
All configurations are done by industry standard AT-commands
Serial interface RS-232 D-sub or screw terminal
160 characters SMS
DTR-dialing
Isolated 12–36 VDC Power supply
Din-Rail mountable
LED indicators
The GD-01 US can be used in data communication applications together with other
GSM modems, traditional analogue PSTN modems (like the TD-33) or ISDN adapters
(such as ID-90). Packet switched data can be transferred via the GPRS service.