Leds; Table 3 Leds - ZyXEL Communications ES-2108 User Manual

3.3 LEDs

The following table describes the LEDs.

Table 3 LEDs

LED
PWR
SYS
ALM
1 - 8
(Ethernet
ports) (ES-
2108, ES-
2108-F, ES-
2108-G and
ES-2108-LC)
1 - 8
(Ethernet
ports) (ES-
2108PWR
only)
100/1000
LNK/ACT
LNK (mini-
GBIC or Fast
Ethernet SFP
Slot)
ACT (mini-
GBIC or Fast
Ethernet SFP
Slot)
LNK (100 FX) Green
ES-2108 Series User's Guide
COLOR STATUS DESCRIPTION
Green On The system is turned on.
Off The system is off.
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.
Red On There is a hardware failure.
Off The system is functioning normally.
Green Blinking The system is transmitting/receiving to/from a 10 Mbps
Ethernet 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.
Green On The Switch is supplying power to the connected device that
supports PoE.
Off No device is connected to this port or the Switch is not
supplying power via the Ethernet cable.
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.
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.
Green Blinking The port is receiving or transmitting data.
On The port has a connection to an Ethernet network but not
receiving or transmitting data.
Off The link to an Ethernet network is down.
Green On The port has a successful connection.
Off No Ethernet device is connected to this port.
Green Blinking The port is sending or receiving data.
Off The port is not sending or receiving data.
On The port has a successful connection.
Off No Ethernet device is connected to this port.
Chapter 3 Hardware Overview
47