3Com 2900 manual Port Mode LED, 10/100/1000Base-T Auto-Sensing Ethernet Port Status LED

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 1-83Com Baseline Switch 2928-PWR Plus/3Com Baseline Switch 2928-HPWR Plus port mode LED description

LED	Status	Description
Mode	Solid green	Indicates port rate.
	Blinking green (1 Hz)	Indicates port PoE power supply.

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

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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 1-910/100/1000Base-T auto-sensing Ethernet port LEDs description

	Port	Ethernet port status
Switch model	mode					Meaning
			LED
	LED
				On	The port operates at a rate of 1000
					Mbps
		Green		Fast blinking	Data is being transmitted or received at
					1000 Mbps
3Com Baseline				Off		The port is not up or does not operate at
						1000 Mbps
Switch
2920-SFP Plus	—			On	The port operates at a rate of 10/100
3Com Baseline					Mbps
Switch
					Data is being transmitted or received at
2928-SFP Plus				Fast blinking
					10/100 Mbps
		Yellow
				Blinking (3	The POST has failed
				Hz)
				Off	The port is not up or does not operate at
					10/100 Mbps

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