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Commands
AT commands are used to control and configure the operation of the Global Security Modem. AT
commands may be issued only from a serial Pass-Thru session from the Sentry or a remote
configuration command mode session, if enabled. See Remote Configuration on page 11 for more
information on remote configuration sessions.
AT commands may be issued in any combination of uppercase and lowercase. Multiple AT commands
may be issued in one line, also known as a command string. Command strings begin with AT and end
when Enter is pressed. The following table lists and briefly describes each command.
AT Command Summary
Command Description
#CBA Sets the maximum Callback attempts
#CBD Sets the Callback delay
#CBF Displays the Callback failed attempts counter
#CBFR Resets the Callback failed attempts counter
#CBN Sets a Callback password
#CBR Resets a Callback memory location
#CBS Enables or disables Callback security
#S Sets the Setup password
%T19,0, Configures the country code
&V Displays all current settings
&W Stores the current configuration
&Z Sets a Callback dialing string
AT Attention
I19 Displays current country code configuration
O Restores the remote session to data mode
S9 Sets the remote configuration escape character value
S9=0 Disables remote configuration
Z Resets the modem with the new configuration
Setting the Setup password
The AT#S= command is used to set the Setup password. The password may be 1 to 8 characters and is
case sensitive.
The default Setup password is ‘MTSMODEM’.
NOTE: For security, Server Technology recommends changing the predefined password prior to connection to your
network.
To set the Setup password:
After successfully logging into the modem with the Setup password, type at#s=, followed by the
password and press Enter.
Type atz and press Enter to reset the modem with the new settings.
Example
The following set the Setup password to “OpenUp”:
at#s=OpenUp<Enter>
OK
atz<Enter>
OK
Sentry Global Security Modem Operations • 5
Installation and Operations Manual