ZyXEL Communications ES3500 Series Table 6 ES3500-8PDLED Descriptions, Table 5 ES3500-24HPLED Descriptions (continued)

			Chapter 3 Hardware Overview
Table 5 ES3500-24HP LED Descriptions (continued)
LED	COLOR	STATUS	DESCRIPTION
LNK/ACT	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.
Table 6 ES3500-8PD LED Descriptions
LED	COLOR	STATUS	DESCRIPTION
PWR	Green	On	The system is turned on.
		Off	The system is off.
SYS	Green	On	The system is on and functioning properly.
		Blinking	The system is rebooting and performing self-diagnostic tests.
		Off	The power is off or the system is not ready/malfunctioning.
ALM	Red	On	A hardware failure is detected.
		Off	The system is functioning normally.
10/100Base-TX Ethernet Ports
LNK/ACT	Green	Blinking	The system is transmitting/receiving to/from a 10 Mbps Ethernet
1 ~ 8			network.
		on	The link to a 10 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.
Mini-GBIC Slots
LNK	Green	On	The link to a 1000 Mbps Ethernet network is up.
	Amber	On	The link to a 100 Mbps Ethernet network is up.
		Off	The link to an Ethernet network is down.
ACT	Green	Blinking	This port is receiving or transmitting data.
1000Base-T Ethernet Ports (in Dual-personality Interface)
LNK/ACT	Green	Blinking	The system is transmitting/receiving to/from a 1000 Mbps
			Ethernet network.
		On	The link to a 1000 Mbps Ethernet network is up.
	Amber	Blinking	The system is transmitting/receiving to/from a 10/100 Mbps
			Ethernet network.
		On	The link to a 10/100 Mbps Ethernet network is up.
		Off	The link to an Ethernet network is down.
PD	Amber	On	This port is receiving power over Ethernet.
(port 9)
		Off	This port is not receiving power over Ethernet.

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ES3500 Series User’s Guide