3Com 4210 26-PORT manual Port LED, Describes the 10/100Base-TX autosensing port’s Link/Act LED

18CHAPTER 1: PRODUCT INTRODUCTION

Switch 4210 Family	Power LED
Front Panel LEDs	Table 6 describes the power LED on the Switch 4210.
	Table 6 The power LED on the Switch 4210

LED	Mark on the panel	Status	Description
Power LED	Power	ON	The switch is powered on.
		OFF	The switch is powered off.

Port LED

Table 7 describes the 10/100Base-TX autosensing port’s Link/Act LED.

Table 7 The Link/Act LED on the 3Com Switch 4210

LED	Status	Description
Link/Act LED (green)	ON	The port is connected properly.
	BLINKING	The port is in the active state and there is
		traffic on the port.
	OFF	The port is not connected or is incorrectly
		connected.

Table 8 describes the Speed LED on the 10/100Base-TX port.

Table 8 The 10/100Base-TX port Speed LED on the Switch 4210

LED	Status	Description
10/100Base-TX autosensing	ON	The port is operating at 100 Mbps.
port Speed LED (green)	OFF	The port is operating at 10 Mbps.

For a description of the Link/Act LED of the Combo port, see Table 7. When the port is connected correctly, the Speed LED indicates the operating speeds of the Combo port, as shown in Table 9.

Table 9 The Combo port Speed LED on the Switch 4210

LED	Operating port		Status	Description
Combo port	100/1000Base-X	Connected	ON	The port is operating at
Speed LED	SFP port	to a 1000		1000 Mbps.
(green)		Mbps optical
		module
		Connected	OFF	The port is operating at
		to a 100		100 Mbps.
		Mbps optical
		module
	10/100/1000Base-T autosensing		ON	The port is operating at
	port			1000 Mbps.
			OFF	The port is operating at
				10/100 Mbps.