3Com 3CBLSG48 - LED Status Indicators

CHAPTER 1: GETTING STARTED
4
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.
LED Status
Indicators
Table 2 Description on the LEDs of the Switch 2948
LED Label Status Description
Power 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.
10/100/1000 Link/ Green The port works at the rate of 1000.
Mbps; BASE-T Activity The LED flashes quickly when the port
Ethemet port is sending or receiving data.
status
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.
1000Base SFP Link/ Green The port works at the rate of 1000
port status 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.