Led Status Indicators - 3Com 3CBLSG48 User Manual

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LED Status
Indicators
TARTED
The 2948-SFP Plus 48-Port Ethernet switches provide LED indicators on
the front panel for your convenience to monitor the switch.
Table 2 Describes the meanings of the LED.
Table  Description on the LEDs of the Switch 2948
LED
Power
10/100/1000
Mbps; BASE-T Activity
Ethemet port
status
1000Base SFP Link/
port status
Label Status Description
Power Green The switch starts normally. The LED
flashes when the system is performing
power-on self test (POST).
Yellow The system has entered the fail safe
mode. The LED flashes when the
system has failed the POST.
OFF The switch is powered off.
Link/ Green The port works at the rate of 1000.
The LED flashes quickly when the port
is sending or receiving data.
Yellow The port works at the rate of 10/100
Mbps. The LED flashes quickly when
the port is sending or receiving data.
OFF The port is not connected.
Green The port works at the rate of 1000
Activity Mbps. The LED flashes quickly when
the port is sending or receiving data.
OFF The port is not connected.
Module Green The SFP module is inserted.
Active OFF The SFP module is not inserted or is
not recognized.