ZyXEL PLA-491 User Manual download pdf (Page 71)

Chapter 7 LEDs and Troubleshooting

PLA-4xx Series User’s Guide

The following table describes the behavior of the lights on the PLA491.

7.2 Power and Light Problems

V The PLA-4xx does not turn on. None of the lights turn on.

1 Make sure you are using the power cord included with the PLA-4xx.

2 Make sure the power cord is connected to the PLA-4xx and plugged in to an appropriate

power source. Make sure the power source is turned on.

3 Disconnect and re-connect the power cord to the PLA-4xx.

4 Remove the powerline adapter from the outlet. Then connect an electrical device that

you know works into the same power outlet. This checks the status of the power outlet.

5 If the problem continues, contact the vendor.

Table 16 PLA491 Lights

LIGHTS ICON COLOR STATUS DESCRIPTION

POWER Green On The PLA491 is on and receiving power.

It also indicates a successful connection using the

ENCRYPT button.

Blinking The PLA491 is starting up.

It also indicates the PLA491 is trying to connect with

another device using the ENCRYPT function.

Blinking at the same time as the HomePlug light indicates

an unsuccessful connection if you have used the

ENCRYPT button.

Off The PLA491 is not receiving power.

HomePlug Green On The PLA491 detects another powerline adapter. The data

transfer rate is greater than 40 Mbps.

Amber The PLA491 detects another powerline adapter. The data

transfer rate is between 10~40 Mbps.

Red The PLA491 detects another powerline adapter. The data

transfer rate is between 0~10 Mbps.

Green/

Amber/

Red

Blinking The PLA491 is communicating with another powerline

adapter. Data is being transmitted and/or received.

Blinking at the same time as the POWER light indicates an

unsuccessful connection if you have used the ENCRYPT

button.

Off The HomePlug port does not detect another powerline

adapter.

ETHERNET Green On The ETHERNET port is on and ready and the PLA491

detects a device connected to it.

Blinking The PLA491 is communicating with a router, modem,

switch or a computer connected to it.

Off The PLA491 does not detect any devices connected to its

ETHERNET port.

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