User guide

6615-2203

Description

The GDW-11 provides a reliable data communication link over GSM/GPRS networks.

The unit has been designed for use in industrial data communication applications and has

several features that are not normally present on standard GSM modems. The GDW-11

is a DIN-rail mounted modem with RS-232 interface in a 9-pin D-sub.

The GDW-11 485 also has an RS-422/485 interface in screw terminal block.

Features:

… Dual band GSM 900/1800 MHz

… GPRS class 10

… Integrated TCP/IP stack

… All configurations are done by industry standard AT-commands

… Serial interface RS-232 in D-sub

… Serial interface 2/4 wire half / full duplex RS-422/RS-485 interface

(GDW-11 485 only)

… DTR-dialing

… DTR-SMS

… Isolated 12 – 48 VDC power supply

… Din-rail mountable

… LED indicators

… Windows configuration tool.

The GDW-11 can be used in data communication applications together with other GSM

modems, traditional analogue PSTN modems or ISDN adapters. Packet switched data can

be transferred via the GPRS service.