ZyXEL Communications ES-2048 manual 3.2 LEDs

ES-2048 User’s Guide

3.2 LEDs

The following table describes the LEDs on the switch.

Table 2	LEDs
LED		COLOR	STATUS	DESCRIPTION
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.
48 Ethernet Ports
10		Green	Blinking	The system is transmitting/receiving to/from an Ethernet device.
			On	The port is connected at 10Mbps.
			Off	The port is not connected at 10Mbps or to an Ethernet device.
100		Amber	Blinking	The system is transmitting/receiving to/from an Ethernet device.
			On	The port is connected at 100Mbps.
			Off	The port is not connected at 100Mbps or to an Ethernet device.
Uplink Gigabit Port
1000		Green	Blinking	The system is transmitting/receiving to/from an Ethernet device.
			On	The port is connected at 1000/10Mbps.
			Off	The port is not connected at 1000/10Mbps or to an Ethernet
				device.
100		Amber	Blinking	The system is transmitting/receiving to/from an Ethernet device.
			On	The port is connected at 100Mbps.
			Off	The port is not connected at 100Mbps or to an Ethernet device.
GBIC Slots
LNK		Green	On	The port has a successful connection.
			Off	No Ethernet device is connected to this port.
ACT		Green	Blinking	The port is receiving or transmitting data.
MGMT
10		Green	Blinking	The system is transmitting/receiving to/from an Ethernet device.
			On	The port is connected at 10 Mbps.
			Off	The port is not connected at 10 Mbps or to an Ethernet device.
100		Amber	Blinking	The system is transmitting/receiving to/from an Ethernet device.
			On	The port is connected at 100 Mbps.
			Off	The port is not connected at 100 Mbps or to an Ethernet device.

Chapter 3 Hardware Overview 45