ZyXEL Communications 4528F, 4728F, XGS-4526 manual 3.3 LEDs

Chapter 3 Hardware Overview

3.3 LEDs

The following table describes the LEDs.

Table 3	LEDs
LED		COLO	STATUS	DESCRIPTION
		R
BPS		Green	Blinking	The system is receiving power from the backup power
				supply.
			On	The backup power supply is connected and active.
			Off	The backup power supply is not ready or not active.
PWR		Green	On	The system is turned on.
			Off	The system is off.
SYS		Green	Blinking	The system is rebooting and performing self-diagnostic
				tests.
			On	The system is on and functioning properly.
			Off	The power is off or the system is not ready/
				malfunctioning.
ALM		Red	On	There is a hardware failure.
			Off	The system is functioning normally.
S1		Green	On	The Switch is connected to other switches in the stack on
(XGS-				Stacking Port 1.
			Off	The Switch is not connected to other switches in the
4528F or
				stack on Stacking Port 1.
XGS-
4728F)
S2		Green	On	The Switch is connected to other switches in the stack on
(XGS-				Stacking Port 2.
			Off	The Switch is not connected to other switches in the
4528F or
				stack on Stacking Port 2.
XGS-
4728F)
System Status			Displays	The Switch is starting up.
			hourglas
			s icon
			Displays	The LED is showing the Stack ID number of the Switch.
			Stack ID
			number

1000Base-T Gigabit Ports ( )

1-24	Green	Blinking	The system is transmitting/receiving to/from a 10/1000
			Mbps Ethernet network.
		On	The link to a 10/1000 Mbps Ethernet network is up.
	Amber	Blinking	The system is transmitting/receiving to/from a 100 Mbps
			Ethernet network.
		On	The link to a 100 Mbps Ethernet network is up.
		Off	The link to an Ethernet network is down.

1000Base-X Mini-GBIC Slots ( )

	45
XGS-4526/4528F/4728F User’s Guide