3com 2924-PWR User Manual
16
C
HAPTER
1: G
ETTING
S
TARTED
LED Status
Indicators
Indicators
The 2924-PWR SFP Plus 24-Port Ethernet switch provides LED indicators
on the front panel for your convenience to monitor the switch. Table 2
describes the meanings of the LEDs.
on the front panel for your convenience to monitor the switch. Table 2
describes the meanings of the LEDs.
Table 2 Description on the LEDs of the Switch 2924-PWR
LED
Label
Status
Description
Power
Power
Green
The switch starts normally. The LED flashes
when the system is performing power-on self
test (POST).
when the system is performing power-on self
test (POST).
Yellow
The system has failed the POST.
OFF
The switch is powered off.
10/100/1000
BASE-T
Ethernet port
status
BASE-T
Ethernet port
status
Link/
Activity
Green
The port works at the rate of 1000 Mbps; the
LED flashes quickly when the port is sending
or receiving data.
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.
the LED flashes quickly when the port is
sending or receiving data.
OFF
The port is not connected.
Duplex mode
Duplex
Yellow
The port is in full duplex mode.
OFF
The port is not connected, or is in half duplex
mode.
mode.
1000Base SFP
port status
port status
SFP
Module
Active
Module
Active
Green
The SFP module is inserted.
OFF
The SFP module is not inserted or is not
recognized.
recognized.
PoE status
PoE
Status
Status
Green
Delivering power. The LED flashes if a fault
occurs.
occurs.
OFF
Not delivering power.