VIVOTEK VS3102 Manuel D’Utilisation

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Telnet 
VisualServer has a Telnet daemon for administrators to access some seldom used functions. Using any 
general terminal program to connect to VisualServer will prompt the user for a password. Username is not 
requested here since only administrators 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, administrators may type the “debug” command. 
This will cause VisualServer 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. VisualServer 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 VisualServer send the current status of digital input. After that VisualServer 
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 
 
Stop information dumping 
Typing "stop" will cease dumping debug information and digital input status. 
 
Query status of digital inputs 
Typing "diquery" will display the status of digital input once.