3Com S27x, S26x, S24x installation manual LEDs, Color LED is Indicating

Hardware Components

LEDs	The card contains four LEDs that can be viewed through the rear bracket.
	LED	Color	LED is...	...Indicating
	Port 1 Local	Green	On	local physical connection is active
	Busy		Off	(offhook)
				local physical connection is idle
				(onhook)
	Port 1 Remote	Green	On	remote end is active (offhook)
	Busy		Off	remote end is idle (onhook)
	Port 2 Local	Green	On	local physical connection is active
	Busy		Off	(offhook)
				local physical connection is idle
				(onhook)
	Port 2 Remote	Green	On	remote end is active (offhook)
	Busy		Off	remote end is idle (onhook)

1-28 About the PathBuilder S24x, 26x, and 27x switch