Milan Technology MIL-SM8002TG - Manual (Page 133)

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Event Configuration interface
Port event selection: select the per port events and per port SMTP events. It has 3
selections – Link UP, Link Down, and Link UP & Link Down. Disable means no event
is selected.
Link UP: the system will produce a log message when port connection is up
only.
Link Down: the system will produce a log message when port connection is
down only.