ZyXEL PLA-407 User Manual download pdf (Page 52)

Chapter 6 The OS X Configuration Utility

PLA-407 User’s Guide

6.1.8 Link Information

Use the Link Info screen to find out more information on the connection between

two Powerline adapters on your Powerline network. The link information screen

shows the MAC addresses of connected Powerline adapters and statistics on the

links.

Figure 27 Link Information

The following table describes the labels in this screen.

Table 11 Link Information

LABEL DESCRIPTION

Link Characteristics

Source Address This is the MAC address of the local Powerline adapter. The local

Powerline adapter is the one connected directly to your

computer. A MAC address is a number that uniquely identifies a

device in a network.

Destination Address This is the MAC address of a remote Powerline adapter. A

remote Powerline adapter is in the same Powerline network as

the local Powerline adapter but is not connected directly to your

computer.

Show Statistics Click this button to show detailed link information between the

local and remote power adapters..

Statistics

Avg. Pre-FEC Bit Error

Rate

In Powerline networks data is sent in physical blocks (PB). This

field shows the average percentage of errors in the physical

blocks received by the destination device from your source

device before the errors are corrected using FEC (Forward Error

Correction). Forward Error Correction (FEC) is a system where

the sender adds redundant data to its transmissions. It allows

the receiver to correct errors without the need of asking the

sender to resend the data.

A high error rate may not necessarily result in a poor connection

as PBs with errors are discarded and the Powerline device

adjusts the signal to a frequency level where fewer errors occur.

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ZyXEL PLA-407 User Manual Page 52