ZyXEL Communications VES1724-56 - VDSL Line Profile Setup > MIB PSD Mask

Chapter 9 VDSL Setup
VES1724-56 User’s Guide
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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.