Lantronix EDS2100 EDS1100 / EDS2100 - User Guide - Page 62

Tunnel – Modem Emulation, Modem Emulation Commands and Descriptions

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8: Line and Tunnel Settings Tunnel - Modem Emulation A tunnel in Connect Mode can be initiated using modem commands incoming from the Serial Line. This page enables you to configure the modem emulation settings when you select Modem Emulation as the Tunnel Connect Mode type. The Modem Emulation Command Mode supports the standard AT command set. For a list of available commands from the serial or Telnet login, enter AT?. Use ATDT, ATD, and ATDP to establish a connection. All of these commands behave like a modem. For commands that are valid but not applicable to the EDS1100/2100, an "OK" message is sent (but the command is silently ignored). The EDS1100/2100 attempts to make a Command Mode connection as per the IP/DNS/port numbers defined in Connect Mode. It is possible to override the remote address, as well as the remote port number. The following table lists and describes the available commands. Table 8-19 Modem Emulation Commands and Descriptions Command +++ AT? ATDT ATDP ATD ATD ATO ATEn ATH ATI ATQn ATVn ATXn ATUn AT&V AT&F AT&W ATZ ATS0=n ATA Description Switches to Command Mode if entered from serial port during connection. Help. Establishes the TCP connection to socket (:). See ATDT. Like ATDT. Dials default Connect Mode remote address and port. Sets up a TCP connection. A value of 0 begins a command line interface session. Switches to data mode if connection still exists. Vice versa to '+++'. Switches echo in Command Mode (off - 0, on - 1). Disconnects the network session. Shows modem information. Quiet mode (0 - enable results code, 1 - disable results code.) Verbose mode (0 - numeric result codes, 1 - text result codes.) Command does nothing and returns OK status. Accept unknown commands. (n value of 0 = off. n value of 1 = on.) Display current and saved settings. Reset settings in NVR to factory defaults. Save active settings to NVR. Restores the current state from the setup settings. Accept incoming connection.  N value of 0-Disable  N value of 1-Connect automatically  N value of 2+-Connect with ATA command. Answer incoming connection (if ATS0 is 2 or greater). EDS1100/2100 User Guide 62

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8: Line and Tunnel Settings
EDS1100/2100 User Guide
62
Tunnel – Modem Emulation
A tunnel in Connect Mode can be initiated using modem commands incoming from the Serial Line.
This page enables you to configure the modem emulation settings when you select Modem
Emulation as the Tunnel Connect Mode type.
The Modem Emulation Command Mode supports the standard AT command set. For a list of
available commands from the serial or Telnet login, enter
AT?
. Use
ATDT
,
ATD
, and
ATDP
to
establish a connection. All of these commands behave like a modem. For commands that are valid
but not applicable to the EDS1100/2100, an “OK” message is sent (but the command is silently
ignored).
The EDS1100/2100 attempts to make a Command Mode connection as per the IP/DNS/port
numbers defined in Connect Mode. It is possible to override the remote address, as well as the
remote port number.
The following table lists and describes the available commands.
Table 8-19
Modem Emulation Commands and Descriptions
Command
Description
+++
Switches to Command Mode if entered from serial port during connection.
AT?
Help.
ATDT<Address Info>
Establishes the TCP connection to socket (<
ipaddress
>:<
port
>).
ATDP<Address Info>
See ATDT.
ATD
Like ATDT. Dials default Connect Mode remote address and port.
ATD<Address Info>
Sets up a TCP connection. A value of 0 begins a command line interface
session.
ATO
Switches to data mode if connection still exists. Vice versa to '+++'.
ATEn
Switches echo in Command Mode (off - 0, on - 1).
ATH
Disconnects the network session.
ATI
Shows modem information.
ATQn
Quiet mode (0 - enable results code, 1 - disable results code.)
ATVn
Verbose mode (0 - numeric result codes, 1 - text result codes.)
ATXn
Command does nothing and returns OK status.
ATUn
Accept unknown commands. (n value of 0 = off. n value of 1 = on.)
AT&V
Display current and saved settings.
AT&F
Reset settings in NVR to factory defaults.
AT&W
Save active settings to NVR.
ATZ
Restores the current state from the setup settings.
ATS0=n
Accept incoming connection.
N value of 0—Disable
N value of 1—Connect automatically
N value of 2+—Connect with ATA command.
ATA
Answer incoming connection (if ATS0 is 2 or greater).