ES-2108/ES-2108-G User’s Guide

3.2 Rear Panel

The following figure shows the rear panel of the switch. The power receptacle is on the rear panel.

Figure 15 Rear Panel

3.2.1 Power Connector

Make sure you are using the correct power source as shown on the panel.

To connect the power to the switch, insert the female end of power cord to the power receptacle on the rear panel. Connect the other end of the supplied power cord to the power source. Make sure that no objects obstruct the airflow of the fans.

3.3 Front Panel LEDs

The LEDs are located on the front panel. The following table describes the LEDs on the front panel.

Table 2 Front Panel 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.

 

 

 

 

LNK/ACT

Green

Blinking

The system is transmitting/receiving to/from a 10 Mbps Ethernet

(Ethernet

 

 

network.

ports)

 

 

 

 

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.

 

 

 

 

Chapter 3 Hardware Overview

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