3Com 4500G Getting Started Manual page 20

20 C 1: I
HAPTER NTRODUCING THE
S 4500G F
WITCH AMILY
Table 4 Description on the LEDs of the Switch 4500G PWR 24-Port& 48-Port
Ethernet Switch (Continued)
LED Label
10/100/1000 None
BASE-T
Ethernet port
status LED
Status
Rate mode Green
Yellow
Yellow,
blinking (3 Hz)
OFF
Duplex Green
mode
Yellow
Yellow,
blinking (3 Hz)
OFF
PoE mode Green, ON
Green,
blinking (1 Hz)
Yellow, ON
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.