Contemporary Control Systems Compact Managed Switches Software Manual for Console Access - Manual (Page 35)

TD020850-0MG
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4.3.8.2 Configure Port Link Monitoring
As displayed for an 8-port switch in Figure 29, the user can monitor three conditions :
Ignore (the default) removes the port from link monitoring.
No Link reports a fault, (the relay to activate) if the link for the port has been lost.
Link Present reports a fault (the relay to activate) if a link has been detected on the
port. This option is commonly used as a security feature to detect
unauthorized connections to the switch.
Figure 29 — Configure Port Link Monitoring
For 16- and 24-port switches, the applicable number of ports would be displayed in the
above screen.