EXFO VDSL2 User Manual
Page 131
 
Wideband Tests
Copper, VDSL2, ADSL2+, and IP Triple-Play Test Set
123
Data Rate Prediction
³
Reference Point is either CO or CPE, allowing you to select from 
which end of the circuit you are running the DRP test. CO is located at 
the CO/Exchange side and you are testing towards the subscriber. CPE 
is the subscriber side and you are testing towards the CO/Exchange.
³
Target SNR is the desired signal-to-noise ratio ranging from 0 to 31 dB. 
Default value is 6 dB.
³
Recalculate button allows you to change the setup and re-evaluate the 
rates.
To re-set parameters to view different results:
1. Press the up/down or left/right arrow keys to highlight the desired 
parameter.
2. Press
to display the list or select the value.
3. Press the up/down arrow keys to highlight the desired value.
OR
4. Press the left arrow key to erase the existing value, and then use the
alphanumeric keypad to enter a value. To cancel the entry, press
.
5. Press
to accept the value.
6. Press the up/down arrow keys to highlight the Recalculate button.
7. Press
to recalculate rates for the new setup.