Zhone 6238-I2 Betriebsanweisung PDF herunterladen (Seite 51)

6238-A2-ZB20-10 6238 Wi-Fi Router with VOIP User’s Guide 51

DSL Advanced Settings

The test mode can be selected from the DSL Advanced Settings screen.

Test modes include normal, reverb, medley, no retrain, and L3.

Tone Settings

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.

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Zhone 6238-I2 Betriebsanweisung Seite 51