The Psd Chart Parameter Screen - ZyXEL Communications MSC1024G Series User Manual

Table 89 VDSL Port Setup: Advanced: Optionmask (continued)
LABEL
Enable US PTM
optimization
Enable DS PTM
optimization
Enable US PHYR
Enable DS PHYR
Current Option
mask is:
Apply
Cancel

11.8.5 The PSD Chart Parameter Screen

Click the Custom button in the Port > VDSL screen. A PSD chart parameter screen
appears. Use this screen to customize the relationship between frequency and PSD level for a
PSD mask.
MSC1000G/1024G/1224G Series User's Guide
DESCRIPTION
Select this to enable upstream packet transfer mode (PTM). This boosts
performance by improving the payload passthrough rate. To use this feature a
CPE device which supports this feature is required.
Select this to enable downstream packet transfer mode (PTM). This boosts
performance by improving the payload passthrough rate. To use this feature a
CPE device which supports this feature is required.
Select this feature to enable physical layer protection on upstream traffic. This
feature has the same function as INP (Impulse Noise Protection) but is more
effective.
Select this feature to enable physical layer protection on downstream traffic. This
feature has the same function as INP (Impulse Noise Protection) but is more
effective.
Selecting or clearing feature check boxes adjusts the current option mask
displayed at the bottom of the screen.
Click Apply to save the changes in this screen to the system's volatile memory.
The system loses these changes if it is turned off or loses power, so use the
Config Save on the navigation panel and then the Save button to save your
changes to the non-volatile memory when you are done configuring.
Click Cancel to close the screen without saving your changes.
Chapter 11 Subscriber Port Setup Screens
235