ZyXEL Communications GS-2724 - Manual (Page 45)

Chapter 3 Hardware Overview
GS-2724 User’s Guide
45
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.
Gigabit Ethernet Ports
LNK/ACT Green On The port has a successful 10/1000 Mbps connection.
Amber On The port has a successful 100 Mbps connection.
Blinking The port is sending or receiving data.
Off The port is disconnected or the link failed.
FDX Amber On The port is in full duplex mode.
Blinking The port detected a collision event.
Off The port is in half duplex mode or there is no connection.
Mini-GBIC (SFP) 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 sending or receiving data.
Off The port is not sending or receiving data or there is no
connection.
MGMT Port
10 Green On The link to a 10 Mbps Ethernet network is up.
Blinking The port is sending or receiving data at 10 Mbps.
Off The link to a 10 Mbps Ethernet network is down.
100 Amber On The link to a 100 Mbps Ethernet network is up.
Blinking The port is sending or receiving data at 100 Mbps.
Off The link to a 100 Mbps Ethernet network is down.
Gigabit Ethernet Ports (Part of Dual Personality Interface)
1000 Green Blinking The port is sending/receiving data.
On The link to a 10/1000 Mbps Ethernet network is up.
Off The link to a 10/1000 Mbps Ethernet network is down.
100 Amber Blinking The port is sending/receiving data.
On The link to a 100 Mbps Ethernet network is up.
Off The link to a 100 Mbps Ethernet network is down.
Table 2 LEDs (continued)
LED COLOR STATUS DESCRIPTION