User guide

Chapter 3 – General Commands
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 12
Chapter 3 - General Commands
Provides detailed descriptions of the AT commands supported by CDMA C1 modems. The functionality and
syntax as well as expected result codes and responses are documented for each command.
Attention AT
Description: This two-character command prefix is used to alert the modem software that a command has
been entered for processing. This prefix must be included in all commands unless otherwise
noted. When entered alone, the modem responds with OK to signify it is ready to process
commands.
Syntax: Command syntax: AT
Command Possible Responses
AT Note: No response returned.
Repeat Last Command A/
Description: This command repeats the previous command. Only the A/ command itself cannot be repeated.
Syntax: Command syntax: A/
Command Possible Responses
A/ Response of the previous AT Command
Echo E
Description: This command is used to determine whether or not the modem echoes characters received by an
external application (DTE). This is a standard Hayes
®
modem AT command.
Syntax: Command syntax: ATE
Command Possible Responses
ATE0
Note: Characters are not echoed
OK
Note: Done
ATE1
Note: Characters are echoed
OK
Note: Done