
Part 1 – AT Commands for All Universal IP Devices
Universal IP AT Commands Reference Guide 11
Use these AT commands with any Universal IP device.
Set Commands
AT – Command Mode
Description: If the modem responds OK to an AT command, the modem is likely in command mode. Many
commands will respond with ERROR when the modem is connected to the network.
E – Turn Echo ON/OFF
Description: Use this command to turn ON/OFF echoing command at the serial terminal. If the modem is
connected to the network, ERROR appears.
Syntax: ATE[<setting>]
Values: 0 – turn echo off.
1 – turns echo on.
I – Identification
Description: Displays identification parameters.
Syntax: ATI[<value>]
Values: 3 – Identifies the firmware version.
5 – Identifies the country.
Responses: For MT100SEM: "1.00 to 1.00g"
For MT810SWM-IP: "1.xx" ("xx" is the number.)
OK
Otherwise ERROR
Example: Version: MT810swm Release V1.0 (12-August-09)
OK
"B5" (MT100SEM example)
V – Terse or Verbose
Description: Sets terse or verbose responses. If the modem is connected to the network, ERROR appears.
Syntax: ATV[<value>]
ATV? Displays the current V setting or use AT#VALL to view all settings.
Values: 0 – Sets terse mode (ATV also sets terse mode)
1 – Sets verbose mode
Default: ATV1
Z – Default Configuration
Description: This command restores the configuration profile from NVM. Settings are recalled on power up.
Syntax: ATZ
Response: OK (Command valid)
Otherwise ERROR
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