Telegesis (UK) Limited
TG-ETRXn-UG-01-103
4
User Guide
1.04
ETRX1 and ETRX2
©2008 Telegesis (UK) Ltd
ETRXn User Guide (Rev 1.04)
Note: Telegesis Terminal is not a GUI that interprets the AT commands and sends instructions to
the ETRX2 in another format. It does not alter the AT commands in any way
– the ETRX2
receives them exactly as described here and in the AT Command Manual. Likewise, if you are
writing your own terminal application, it should send and receive data as formatted in our manuals.
In order to get started, plug an ETRXn module on to each development board which forms part of
your set-up and connect at least one development board to a PC using the serial or USB cable
provided.
Figure 1. Development board with module mounted
Power up all of the development kits and module carrier boards (MCBs) and start the Telegesis
Terminal application on the PC.
You need to know which of your computer‟s COM ports is
connected to the development board, which may not be obvious if you are using a USB-to-serial
adaptor, for example. To c
heck, open your PC‟s Device Manager; there are several ways in
Windows XP, but the simplest is to right-
click on “My Computer” and select “Manage”, then
“Device Manager”. In this example there are two USB-to-serial adaptors in COM3 and COM4 and
a USB stick in COM5:
