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D-Link DES-1012 User Manual

Page 22

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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.