Zhone Technologies 4929 DSLAM ユーザーズマニュアル

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4929 DSLAM Installation and User’s Guide

4929-A2-ZN20-30

SNR settings may greatly affect ADSL performance. Do not change SNR 
settings unless so advised by your service provider.

To configure SNR settings:

1 Click on the Advanced Config tab. The Configuration SNR settings 

screen appears.

2 Select or enter the following parameters:    

Port

Select a port from the drop-down list.

SNR (dB) Setting

Specify the upstream and downstream Signal to 

Noise Ratio settings for the selected ports.

Reed Solomon Error 

Correction Settings: 

Delay

Specify the upstream and downstream 

Reed-Solomon delay. 

Reed Solomon Error 

Correction Settings: 

Correction

Specify the upstream and downstream 

Reed-Solomon correction.

EC/FDM

Specify the upstream and downstream  Echo 

Cancellation or Frequency Division 

Multiplexing mode.

Fast Buffer Setting

Specify the buffer setting: Fast or Interleave.