Port Mode Led; 10/100/1000Base-T Auto-Sensing Ethernet Port Status Led - 3Com Baseline Switch 2900 Series Getting Started Manual

Port Mode LED

The port mode LED on the 3Com Baseline Switch 2928-PWR Plus/3Com Baseline Switch 2928-HPWR
Plus can display the working status of a port for you to obtain more device information. You can use the
port mode switching button to change the status of the port mode LED.
Table 1-8 3Com Baseline Switch 2928-PWR Plus/3Com Baseline Switch 2928-HPWR Plus port mode
LED description
LED
Mode

10/100/1000Base-T Auto-Sensing Ethernet Port Status LED

Each port of the 3Com Baseline Switch 2952-SFP Plus has a bi-color LED indicating its status;
whereas each port of other models of the 3Com Baseline Switch 2900 Family has two LEDs, with
only one in the ON state at a time.
For each port of the 3Com Baseline Switch 2928-PWR Plus and 3Com Baseline Switch
2928-HPWR Plus, the port mode LED and the status LED together indicate the port operation
status.
Table 1-9 10/100/1000Base-T auto-sensing Ethernet port LEDs description
Switch model
3Com Baseline
Switch
2920-SFP Plus
3Com Baseline
Switch
2928-SFP Plus
Solid green
Blinking green (1 Hz)
Port
Ethernet port status
mode
LED
Green
—
Yellow
Status
Indicates port rate.
Indicates port PoE power supply.
LED
The port operates at a rate of 1000
On
Mbps
Data is being transmitted or received at
Fast blinking
1000 Mbps
The port is not up or does not operate at
Off
1000 Mbps
The port operates at a rate of 10/100
On
Mbps
Data is being transmitted or received at
Fast blinking
10/100 Mbps
Blinking (3
The POST has failed
Hz)
The port is not up or does not operate at
Off
10/100 Mbps
1-11
Description
Meaning