Tahoe 684 User Manual page 30

If the IP address is set as 0.0.0.0, then the access is possible from
anywhere in the network.
4.3.31. tftp
The command configures the TFTP server used for the firmware
upgrade. Three options are possible:
tftp on - enables the TFTP server
tftp off - disables the TFTP server
tftp host <IP address> - if the server is enabled, the access to
it may be limited to a certain IP address. If this address is set to
0.0.0.0, then the access isn't limited.
4.3.32. timeout
The command sets the inactivity time (in seconds), after which
the telnet connection is closed. It has following syntax:
timeout <during the session> [<during logging in>]
The first parameter is used after the logging in and the second
one (optional) during the log-in. Entering "0" disables the timer.
These settings are also applied to the serial console if its access is
password protected (using the „console passwd on" command).
4.3.33. uptime, w
Shows the time elapsed since the modem booting and the current
processor temperature.
4.3.34. user
The "user" command is used to manage users having access to
the modem. The modem may work in two different modes:
single user - only the password is necessary to access the
modem. The user that logs in has the full access to the device.
multiple users - allows creating many users with different
names, passwords and access levels
The "user" command has following syntax:
user list - shows the user list
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4.3.31
4.3.32
4.3.33
4.3.34