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10/100 Fast Ethernet Switch User’s Guide
Identifying External Components
13
the the Switch is
turned off
after connecting
turn the Switch on. When disconnecting a
cable or transceiver from the MII interface
connector,
turn off
the Switch then disconnect
the cable or transceiver.
LED Indicators
The LED indicators of the Switch include Power, MII, Console, 100 M,
Link/Act FDX/Col and System Load. The following shows the LED
indicators for the Switch along with an explanation of each indicator.
Figure 3-3. The DES-3208 Switch LED indicators
♦
Power
. After turning on the power, the Power indicator, on the front
panel, should light yellow to indicate the switch is loading onboard
software and performing a self-test. After approximately 20 seconds,
the green LED lights to indicate the ready state of the switch.
♦
MII.
The MII (Media Independent Interface) is used for connection
between two independent locations up to a distance of two kilometers.