VIVOTEK VS2403 ユーザーズマニュアル

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Telnet Commands 
Video Server has a Telnet daemon for only administrators to access some seldom used 
functions. Using any general terminal program to connect to Video Server 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 in 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 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. 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 Video Server send the current status of all digital inputs. After 
that 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   
di1=l 
di2=l 
di3=l 
di4=l 
and if DI2 changes to H, terminal will display only 
di2=h 
 
Stop information dumping 
Typing "stop" will cease dumping debug information and the digital input status. 
 
Query status of digital inputs 
Typing "diquery" will display the status of all digital inputs once.   
 
Set digital outputs 
To set digital output 1 to connect NO with COMMON, type "do1=o".