7: Line and Tunnel Settings
PremierWave XC User Guide
56
Modem Emulation
Some older equipment is designed to attach to a serial port and dial into a network with a modem.
This equipment uses AT commands to control the connection. For compatibility with these older
devices on modern networks, our product mimics the behavior of the modem.
Table 7-8 Tunnel Modem Emulation Settings
Tunnel Modem Emulation
Settings
Description
Echo Pluses
Set whether the pluses will be echoed back during a “pause +++ pause”
escape sequence on the Serial Line. Choices are:
Enabled
Disabled
(default)
Echo Commands
Set whether characters read on the Serial Line will be echoed, while the Line
is in Modem Command Mode. Choices are:
Enabled
Disabled
(default)
Verbose Response
Set whether Modem Response Codes are sent out on the Serial Line.
Choices are:
Enabled
Disabled
(default)
Response Type
Select a representation for the Modem Response Codes sent out on the
Serial Line. Choices are:
Text
(ATV1) (default)
Numeric
(ATV0)
Error Unknown
Commands
Set whether the Error Unknown Commands is enabled (ATU0) and ERROR is
returned on the Serial Line for unrecognized AT commands. Otherwise
(ATU1) OK is returned for unrecognized AT commands. Choices are:
Enabled
Disabled
(default)
Incoming Connection
Set how and if requests are answered after an incoming RING (ATS0=2).
Choices are:
Disabled
(default)
Automatic
Manual
Connect String
Enter the customized Connect String sent to the Serial Line with the Connect
Modem Response Code.
Display Remote IP
Set whether the Display Remote IP is enabled so that the incoming RING
sent on the Serial Line is followed by the IP address of the caller. Choices
are:
Enabled
Disabled
(default)
