Vivotek VS3102 - Manual (Page 64)

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Telnet
The Video Server has a Telnet daemon for Administrator to access some seldom used functions. Using
any general terminal program to connect to the Video Server will prompt the user for a password.
Username is not requested here since only Administrator can access the Telnet daemon. The password is
as same as that used for web access. After logging in, type "help" for the command list. If "debug" or
"dinote" is not executed, Telnet will disconnect automatically after being idle for 1 minute.
System core debugging
General activities are recorded into SYSTEM.LOG continuously, but information about abnormal status
is not. To look deep into the core debugging information, Administrator may type the “debug” command.
This will cause the Video Server to start dumping the detailed debugging information while the system is
running. This is useful to examine if any error has occurred when the system operates abnormally. The
stored information will be cleared automatically after the dump. The Video Server will continue to dump
new messages unless the connection is broken. If Telnet is not connected, any messages will be stored
until administrators re-login.
Monitor changed status of digital inputs
Typing "dinote" will make the Video Server send the current status of digital input. After that the Video
Server will continuously monitor DI status and send messages only when the state has changed. For
example, after typing "dinote" the terminal will display
DI=L
DI=L
And if DI changes to H, terminal will display only
DI=H
If power fails during the software upgrade, the program in the memory of the Video Server may
be destroyed permanently. If the Video Server cannot restart properly, ask the dealer for technical
service.