D-Link DES-1008D User Guide - Page 27

Link/Act, green, FDX/Col - 8 port

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10/100 Fast Ethernet Switch User's Guide is connected to a respective port or the uplink port, the LED indicator is OFF. ♦ Link/Act. These LED indicators are lighted up green when there is a secure connection (or link) to a device at any of the ports. The LED 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. Identifying External Components 17

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10/100 Fast Ethernet Switch User’s Guide
Identifying External Components
17
is connected to a respective port or the uplink port, the LED indicator
is OFF.
♦
Link/Act
.
These LED indicators are lighted up
green
when there is a
secure connection (or link) to a device at any of the ports.
The LED
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.