ZyXEL VES1724-56 User Guide - Page 118

ChanProfile, VDSL Template Setup

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Chapter 9 VDSL Setup Table 34 VDSL Virtual Noise Setup (continued) LABEL DESCRIPTION Tone Index A tone is a sub-channel of VDSL band. DMT divides VDSL bands into many 4.3125 kHz tones. Enter an increased number (than previous row) from 0 to 4096 in this field that is also the horizontal of the DPBOEPSD graph. Frequency (kHz) This read-only field displays a frequency that equals the tone index multiple 4.3125 dBm/ Hz. This field automatically calculates after a Tone Index value is entered. Noise level (dBm/ Enter the noise level for the specified tone(s) where you expect noise may occur. This Hz) setting is then reflected in the Y-axis of the virtual noise graph after you click Preview. Modify Click this to save the settings to the Switch and return to the previous screen. Cancel Click Cancel to reset the fields to your previous configuration. Clear Click Clear to clear the fields to the factory defaults. 9.3.7 VDSL Channel Profile Setup Click the ChanProfile link at the top-right corner of the VDSL Template Setup screen to open the screen shown below. Use this screen to view, add, modify and delete VDSL channel profiles. Figure 57 VDSL Channel Profile Setup The following table describes the labels in this screen. Table 35 VDSL Channel Profile Setup LABEL Name DownStream Upstream DESCRIPTION Enter a descriptive name for identification purposes. The parameters in this column relate to downstream transmissions. The parameters in this column relate to upstream transmissions. 118 VES1724-56 User's Guide

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Chapter 9 VDSL Setup
VES1724-56 User’s Guide
118
9.3.7
VDSL Channel Profile Setup
Click the
ChanProfile
link at the top-right corner of the
VDSL Template Setup
screen to open the
screen shown below. Use this screen to view, add, modify and delete VDSL channel profiles.
Figure 57
VDSL Channel Profile Setup
The following table describes the labels in this screen.
Tone Index
A tone is a sub-channel of VDSL band. DMT divides VDSL bands into many 4.3125 kHz
tones.
Enter an increased number (than previous row) from 0 to 4096 in this field that is also the
horizontal of the DPBOEPSD graph.
Frequency (kHz)
This read-only field displays a frequency that equals the tone index multiple 4.3125 dBm/
Hz. This field automatically calculates after a
Tone Index
value is entered.
Noise level (dBm/
Hz)
Enter the noise level for the specified tone(s) where you expect noise may occur. This
setting is then reflected in the Y-axis of the virtual noise graph after you click
Preview
.
Modify
Click this to save the settings to the Switch and return to the previous screen.
Cancel
Click
Cancel
to reset the fields to your previous configuration.
Clear
Click
Clear
to clear the fields to the factory defaults.
Table 34
VDSL Virtual Noise Setup (continued)
LABEL
DESCRIPTION
Table 35
VDSL Channel Profile Setup
LABEL
DESCRIPTION
Name
Enter a descriptive name for identification purposes.
DownStream
The parameters in this column relate to downstream transmissions.
Upstream
The parameters in this column relate to upstream transmissions.