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Section 5 IP Access Configuration & Operation
32
Telnet Console
The CAT-32 IP firmware features a Telnet server that enables a user to connect via a standard
Telnet client. If the Telnet program is using a VT 100, VT 102 or VT 220 terminal or appropriate
emulation, it is even possible to perform a console redirection, as long as the CAT-32 IP host is
using a text mode screen resolution.
Connecting to the CAT-32 IP is done as usual and as required by the Telnet client, for instance
in a UNIX shell:
telnet 192.168.1.22
Replace the IP address by the one that is actually assigned to the CAT-32 IP. This will prompt
for the username and password in order to log into the device. The credentials that need to be
entered for authentication are identical to those of the web interface. That means the user
management of the Telnet interface is entirely controlled with the appropriate functions of the
web interface.
Once you have successfully logged into the CAT-32 IP a command line will be presented and
you can enter management commands directly.
In general, the Telnet interface supports two operation modes: the command line mode and the
terminal mode. The command line mode is used to control or display some parameters. In
terminal mode the pass-through access to serial port 1 is activated (if the serial settings were
made accordingly). All inputs are redirected to the device on serial port 1 and its answers are
displayed on the Telnet interface.
Section 5 IP Access Configuration & Operation
33
The following list shows the command mode syntax and usage.
Help
Displays the list of possible commands
Cls
Clears the screen
Quit
Exits the current session and disconnects from the client
Version
Displays the release information
Terminal
Starts the terminal pass-through mode for the serial port. The key sequence ‘esc exit’ switches
back to the command mode.