ZyXEL VES1724-56B2 User Guide - Page 111

VDSL Line Profile Setup > MIB PSD Mask

Page 111 highlights

Chapter 9 VDSL Setup Table 35 VDSL Rate Adaptive Setup (continued) LABEL Cancel Clear DESCRIPTION Click Cancel to reset the fields to your previous configuration. Click Clear to clear the fields to the factory defaults. 9.3.3 VDSL Line Profile Setup > MIB PSD Mask Click the Modify link next to the MIB PSD MASK field in the VDSL Line Profile Setup screen to open the screen as shown next. Use this screen to adjust PSD levels for tones based on the scope down the limit PSD mask you have configured. Figure 57 VDSL MIB PSD Mask Setup The following table describes the labels in this screen. Table 36 VDSL MIB PSD Mask Setup LABEL MIB PSD Mask Preview DownStream UpStream Break Point Tone Index DESCRIPTION This displays the PSD mask result in a graph. The MIB PSD mask is defined only within the operating bands and lies at or below the limit PSD mask. You may choose not to specify a MIB PSD mask for one or both transmission directions or in specific bands of the operating bands. Click this to display the PSD mask result in the graph you configured at the bottom of the screen. Configure the following settings for the Switch-to-CPEs direction. Configure the following settings for the CPEs-to-the-Switch direction. This index number identifies each incremental break point. 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 MIB PSD Mask graph. VES1724-56 User's Guide 111

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Chapter 9 VDSL Setup
VES1724-56 User’s Guide
111
9.3.3
VDSL Line Profile Setup > MIB PSD Mask
Click the
Modify
link next to the
MIB PSD MASK
field in the
VDSL Line Profile Setup
screen to
open the screen as shown next. Use this screen to adjust PSD levels for tones based on the scope
down the limit PSD mask you have configured.
Figure 57
VDSL MIB PSD Mask Setup
The following table describes the labels in this screen.
Cancel
Click
Cancel
to reset the fields to your previous configuration.
Clear
Click
Clear
to clear the fields to the factory defaults.
Table 35
VDSL Rate Adaptive Setup (continued)
LABEL
DESCRIPTION
Table 36
VDSL MIB PSD Mask Setup
LABEL
DESCRIPTION
MIB PSD Mask
This displays the PSD mask result in a graph. The MIB PSD mask is defined only within
the operating bands and lies at or below the limit PSD mask. You may choose not to
specify a MIB PSD mask for one or both transmission directions or in specific bands of
the operating bands.
Preview
Click this to display the PSD mask result in the graph you configured at the bottom of
the screen.
DownStream
Configure the following settings for the Switch-to-CPEs direction.
UpStream
Configure the following settings for the CPEs-to-the-Switch direction.
Break Point
This index number identifies each incremental break point.
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
MIB PSD Mask
graph.