Rear Panel; Power Connector; Leds; Figure 17 Rear Panel - ZyXEL Communications Dimension ES-2108 User Manual

ES-2108 Series 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 17 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 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)
48
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.
Chapter 3 Hardware Overview