ZyXEL Communications PLA-400 v2 User Manual

Chapter 7 LEDs and Troubleshooting

PLA-4xx Series User’s Guide

The following figure is the front panel of the PLA-470 and PLA-470 v2. Use the lights to 
determine if the PLA-470 or PLA470 v2 is behaving normally or if there are some problems 
on your powerline network. 

Figure 46   PLA-470 and PLA-470 v2 Lights

HomePlug

Green

On

The PLA-400 v2 detects another powerline adapter. 

The data transfer rate is greater than 40 Mbps.

Amber

The PLA-400 v2 detects another powerline adapter. 

The data transfer rate is between 10~40 Mbps.

Red

The PLA-400 v2 detects another powerline adapter. 

The data transfer rate is between 0~10 Mbps.

Green/ 

Amber/

Red

Blinking

The PLA-400 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

Green

On

The ETHERNET port is on and ready and the PLA-400 

v2 detects a device connected to it.

Blinking

The PLA-400 v2 is communicating with a networking 

device connected to it.

Off

The PLA-400 v2 does not detect any devices 

connected to its ETHERNET port.

Table 12   PLA-400 v2 Lights (continued)