Zhone 6218 用户手册

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6218-I2 Wireless Router User’s Guide

6218-A2-ZB23-10

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No Retrain: In this mode the router will try to establish a connection as in 

normal mode, but once the connection is up it will not retrain if the signal 

is lost.

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L3: Puts the router into the L3 power state.

Select a test mode and click on Apply. Then click on Tone Selection.

To view the ADSL Tone Settings screen, click on the Tone Selection button of 
the DSL Advanced Settings screen (see 

The frequency band of ADSL is split up into 256 separate tones, each spaced 
4.3125 kHz apart. With each tone carrying separate data, the technique 
operates as if 256 separate modems were running in parallel. The tone range is 
from 0 to 31 for upstream and from 32 to 255 for downstream.

Do not change these settings unless so directed by your ISP.