ZyXEL Communications Plumbing Product metrogigabit switch User Manual

Chapter 3 Hardware Overview

MGS3700-12C User’s Guide

You may use the embedded web configurator or command line interface to 
configure the Switch. If you’re using the web configurator, you need Internet 
Explorer 5.5 and later or Netscape Navigator 6 and later. 

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 or an alarm from the 
external alarm is received.

Off

The system is functioning normally.

LNK/ACT

The up arrow icon ( ) on each SFP slot indicates the LED status for the slot while the 
down arrow icon ( ) indicates the LED status for the corresponding Ethernet port.

Green

Blinking The system is transmitting/receiving to/from an Ethernet 

network.

On

The link to a 1000 Mbps Ethernet network is up.

Amber

Blinking The system is transmitting/receiving to/from an Ethernet 

network.

On

The link to a 100 Mbps Ethernet network is up.

Off

The link to an Ethernet network is down.

MGMT

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. 

Table 2   LED Descriptions  (continued)