ZyXEL VES1724-56B2 User Guide - Page 111
VDSL Line Profile Setup > MIB PSD Mask
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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