Chapter 1 Introducing the PLA
PLA6457 User’s Guide
8
1.1.1 G.hn Standard
G.hn is a specification for home networking devices that operates over power lines. G.hn specifies the
point-to-point security inside a domain, which means that each pair of transmitter and receiver uses a
unique encryption key which is not shared by other devices in the same domain. Devices can securely
communicate with each other at high data transfer rates.
The PLA uses 128-bit Advanced Encryption Standard (AES) to ensure safe transfer of information.
1.2 LEDs
The following section describes the lights (LEDs) on the PLA.
The following figure is the front panel of the PLA. Use the lights to determine if the PLA is behaving
normally or if there are some problems on your G.hn Network.
Figure 2 PLA Lights
The following table describes the behavior of the lights on the PLA.
Table 2 LEDs
LIGHTS ICON COLOR STATUS DESCRIPTION
POWER Green On The PLA is on and receiving power.
Blinking The power LED blinks when it is in standby mode that allows you
to save on power during periods of inactivity. Refer to Section 1.3
on page 9 for details on this feature.
Off The PLA is not receiving power.
POWERLINE Green On The PLA detects another PLA and can transmit and/or receive
data at greater than 80 Mbps.
Amber The PLA detects another PLA and can transmit and/or receive
data between 20 – 80 Mbps.
Red The PLA detects another PLA and can transmit and/or receive
data between 0 – 20 Mbps.
Green/
Amber/
Red
Blinking The PLA is communicating with another PLA. Data is being
transmitted and/or received.
Off The PLA does not detect another PLA.
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