ZyXEL Communications Computer Accessories Powerline Ethernet Adapter Series Manuale Utente

Chapter 7 LEDs and Troubleshooting

PLA-4xx Series User’s Guide

V

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.

V

1 Check the hardware connections. See the Quick Start Guide.
2 Inspect your cables for damage. Contact the vendor to replace any damaged cables.
3 Check the Ethernet adapter on your computer and make sure it’s enabled and working 

properly. 

4 If the PLA-4xx is connected to an Ethernet switch or router, make sure the device is 

working correctly, and that the LAN network is working and configured correctly as 
well. 

HomePlug

Green

On

The PLA470 v2 detects another powerline adapter. The 

data transfer rate is greater than 40 Mbps.

Amber

The PLA470 v2 detects another powerline adapter. The 

data transfer rate is between 10~40 Mbps.

Red

The PLA470 v2 detects another powerline adapter. The 

data transfer rate is between 0~10 Mbps.

Green/ 

Amber/

Red

Blinking

The PLA470 v2 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

On

The ETHERNET port is on and ready and the PLA470 

detects a device connected to it.

Blinking

The PLA470 is communicating with a router, modem, 

switch or a computer connected to it.

Off

The PLA470 does not detect any devices connected to its 

ETHERNET port.

Table 14   PLA470 v2 Lights (continued)