3Com 4500G Series Getting Started Manual page 17

Table 4 Switch 4500G PWR 24-Port and 48-Port Front Panel LEDs
LED Label Status
10/100/1000 None Rate mode
BASE-T
Ethernet port
status LED
Duplex
mode
PoE mode
10/100/1000 None PoE mode
BASE-T (continued)
Ethernet port
status LED
(continued)
1000 Base None This LED is
SFP port not
status LED influenced
by the mode
button
Switch 4500G PWR 24-Port and 48-Port Front Panel LEDs
Green
Yellow
Yellow,
blinking (3 Hz)
OFF
Green
Yellow
Yellow,
blinking (3 Hz)
OFF
Green, ON
Green,
blinking (1 Hz)
Yellow, ON
Yellow,
blinking (3 Hz)
OFF
Green
Yellow,
blinking (3 Hz)
OFF
Description
The port works at the rate of
1000 Mbps; the LED blinks
quickly when the port is
sending or receiving data.
The port works at the rate of
10/100 Mbps; the LED blinks
quickly when the port is
sending or receiving data.
POST fails on the port.
The port is not connected.
The port works in full duplex
mode; the LED blinks quickly
when the port is sending or
receiving data.
The port works in half duplex
mode; the LED blinks quickly
when the port is sending or
receiving data.
POST fails on the port.
The port is not connected.
The port supplies power
normally
The required power of the
attached devices has exceeded
the maximum power that the
port can supply.
The total power that the
switch supplies has reached
the maximum power, so the
port does not supply power
any more.
The devices attached to the
port are not powered devices
(PDs), so the port does not
supply power.
The PoE power fails, so the
port cannot supply power.
POST fails on the port
The port does not supply
power.
The port works at the rate of
1000 Mbps; the LED blinks
quickly when the port is
sending or receiving data.
POST fails on the port.
The port is not connected.
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