ZyXEL Communications ES-2024 Series - Manual (Page 41)

Chapter 3 Hardware Overview
ES-2024 Series User’s Guide
41
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.
Ethernet Ports
LNK/ACT 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.
FDX/COL
(ES-
2024A)
Amber Blinking The Ethernet port is negotiating in half-duplex mode and
collisions are occurring; the more collisions that occur the faster
the LED blinks.
On The Ethernet port is negotiating in full-duplex mode.
Off The Ethernet port is negotiating in half-duplex mode and no
collisions are occurring.
POE
(ES-
2024PWR)
Amber On Power is supplied to the port.
Off Power is not supplied to the port.
Gigabit Ports
100/1000 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 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.
Mini-GBIC Ports
LNK Green On The port has a successful connection.
Off No Ethernet device is connected to this port.
ACT Green Blinking The port is sending or receiving data.
Off The port is not sending or receiving data.
Table 2 LEDs (continued)
LED COLOR STATUS DESCRIPTION