Exfo VDSL2 Bedienungsanleitung Seite 146

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Wideband Tests
138 AXS-200/635i
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.
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