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10/100 Fast Ethernet Switch User’s Guide
12
Identifying External Components
indicators blink
green
whenever there is reception or transmission (i.e.
Activity act) of data occurring at a port.
♦
FDX/Col
. This LED indicator is
green
when a respective port is in
full duplex (FDX) mode. Otherwise, it is OFF for half duplex (HDX)
operations. It blinks
yellow
when collisions are occurring on the
respective port.
♦
Console
. This LED indicator is green when RS-232 link is present.