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Figure 1-3 Baseline Switch 2250-SFP Plus 50-Port—front panel.
LED Status Indicators
The Switch provides LED indicators on the front panel for your convenience to monitor the switch. Table
1-2 describes the meanings of the LEDs.
Table 1-2 Description on the LEDs of the Switch
LED Status Description
Green
The switch starts normally. The LED flashes
when the system is performing Power-On
Self-Test (POST).
Yellow The system has failed the POST.
Power
OFF The switch is powered off.
Green
The port works at the rate of 100 Mbps; the
LED flashes quickly when the port is sending
or receiving data.
Yellow
The port works at the rate of 10 Mbps; the
LED flashes quickly when the port is sending
or receiving data.
10/100BASE-T
port
OFF
The link has not been established, either
nothing is connected to the port, or there is a
problem:
z Check that the attached device is powered
on.
z Check that the cable is the correct 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.
Green
The port works at the rate of 1000 Mbps; the
LED flashes quickly when the port is sending
or receiving data.
Link/Activity
10/100/1000BAS
E-T port
Yellow
The port works at the rate of 10/100 Mbps; the
LED flashes quickly when the port is sending
or receiving data.