Zhone 4929 DSLAM User Manual

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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 Global Advanced Config tab. The Global Configuration 

SNR settings screen appears.

2 In the Add Ports drop-down list, select All or a group of ports. To select 

multiple ports, hold the Ctrl key while clicking on your selections.

3 Select or enter the following parameters:    

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.