Description Of Leds - 3Com 2800 Series User Manual

Description of LEDs

Table 1-2 Description of LEDs
The Switch provides LED indicators on the front panel for your
convenience to monitor the switch. Table 1-3 describes the meanings
of the LEDs.
Table 1-3 Description on the LEDs of the Switch
LED
Power
Link/Activity
Status
The unit is powered on and ready for
Green
use.
The unit is not receiving power:
Check that the power cord is
OFF
connected correctly.
If the unit still does not operate,
contact your supplier.
The port works at the rate of 1000
Green Mbps; the LED flashes quickly when
the port is sending or receiving data.
The port works at the rate of 10 or 100
Yellow Mbps; the LED flashes quickly when
the port is sending or receiving data.
The link has not been established,
either nothing is connected to the port,
or there is a problem:
Check that the attached device is
powered on.
Check that the cable is the correct
Off
type and is not faulty. If these
checks do not identify the cause of
the problem, it may be that the unit
or the device connected to the port
is faulty. Contact your supplier for
further advice.
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Description