User Guide

CTM-110/120 Installation & Operation Manual
Page 20
1702-0037 Rev 3.2
8.5.3 Checking the modem Status
Prior to initiating a connection to the network the Chameleon Modem status may be checked.
From the Tools menu select Modem Status:
The Modem Info box shows the modems Electronic Serial
Number (ESN) and factory serial Number (FSN). The current
status of the local CDMA network which the modem is seeing
is reported.
The RSSI value is the modems received signal strength.
The GPS Info box is not used in this release of the Chameleon
Controller Software.
8.5.4 The Terminal Services Window
The Chameleon Controller Software provides the ability to send and receive AT commands
directly to the modem. From the Tools menu select Terminal. Type the required AT command
in the command line window and click on Send. The modem’s response will be displayed in the
response window. The AT command session may be logged to a text file if required.
8.6 Using AT commands to control the CTM-110/120
The CTM-110/120 CDMA modem supports the full AT command set for wireless data
modems. This command set can be used to configure, control, and troubleshoot the
modem.
The Chameleon Controller Software Terminal tool may be used to send AT commands
to the modem and display responses. Alternatively, most terminal emulation programs
such as Windows HyperTerminal can be used to access the CTM-110/120 with AT
commands. Terminal configuration parameters are:
Data rate 115,200 baud
Data bits 8
Parity None
Stop bits 1
Flow control Hardware
The set of AT commands available for the CTM-110/120 CDMA modem can be found
in the Sierra Wireless CDMA AT command reference document available at:
http://www.sierrawireless.com/ProductsOrdering/documents/2130184.pdf