ZyXEL Communications VDSL SWITCH VES-1616F-3X, Руководство пользователя

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Chapter 6 Basic Setting
VES-1616F-3x Series User’s Guide
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6.11 VDSL PSD Profile Setup
PSD (Power Spectral Density) profiles define the allowable downstream and upstream PSD
values for a line. In a PSD profile, you can configure a set of breakpoints, each of which is
defined by a frequency and PSD level. The set of breakpoints forms a PSD mask that specifies
the maximum transmission power of each VDSL frequency band. If the frequency range used
by the Switch and other devices overlap, you can configure the PSD of your Switch to prevent
interference with other nearby signals.
In the following example, the Switch’s PSD is configured to not exceed the PSD mask (dashed
line) within the 5 MHz to 16 MHz frequency range. After configuration, the shaded area is the
Switch’s actual PSD for the specified frequency range.
Figure 26 PSD-Frequency Example
Click Basic Settings and VDSL PSD Profile Setup in the navigation panel to display the
screen as shown.
SESs This field displays the number of Severely Errored Seconds (SESs) that are
permitted to occur within 15 minutes.
Init This field displays whether the initialization failure trap sending feature is enabled
( On ) or not ( Off ).
Applied Ports You can apply a profile to a VDSL port in the Port Setup screen.
This field displays the VDSL port number(s) to which this profile is applied.
Delete Check the rule(s) that you want to remove in the Delete column and then click the
Delete button.
Cancel Click Cancel to clear the selected checkboxes in the Delete column.
Table 15 VDSL Alarm Profile Setup (continued)
LABEL DESCRIPTION