Perle Systems SCS8C DC Manuale Utente

 218

Adding/Editing Users

The 

 tab is used to configure those parameters that control the user session; this includes 

session length, language, the hotkey used for switching between sessions, access to clustered ports, 
etc.

Configure the following parameters:

Used for 

 

 or 

, determines whether Van Jacobsen 

Compression is used on the link. VJ compression is a means of reducing the 
standard TCP/IP header from 40 octets to approximately 5 octets. This gives a 

significant performance improvement, particularly when interactive 

applications are being used. For example, when the user is typing, a single 
character can be transmitted and thus have the overhead of the full TCP/IP 

header. VJ Compression has minimal effect on other types of links, such as ftp, 

where the packets are much larger. The 

option will 

override the 

 

 value set for a 

. 

Default: Disabled

The amount of time, in seconds, before the IOLAN closes a connection due to 

inactivity. The default value is 

 (zero), meaning that the 

 will not 

expire (the connection is open permanently). The 

 will 

override all other 

 parameters.

Range: 0-4294967
Default: 0