EXFO MaxTester MAX-630 - Manual (Page 46)

Setting Up DSL/IP Tests
40 MAX-630
Test Configuration
4. Press to confirm the value.
5. If you make any changes to the parameter values, press the on-screen
function keys to save or cancel your input.
Thresholds
The Thresholds tab allows you to define DSL
parameter criteria. For D/S (downstream) and U/S
(upstream) data rates, there are OK and Min
(minimum) bit rates defined to indicate unacceptable,
marginal, and acceptable rates.

D/S and U/S OK bit rate:

for ADSL - value limited to D/S 30 Mbit/s,
U/S 2 Mbit/s.

for VDSL - D/S to 100 Mbit/s, U/S to 50 MBit/s.

D/S and U/S Min SNR margin - values range from
0 to 63.5 dB. Default is 5 dB.

D/S and U/S Max Attenuation - values range from 0 to 96 dB. Default is
10 dB.

Sync Loss Counter is the number of times the unit lost
synchronization.
To set threshold values:
1. Press the up/down arrows to select the desired parameter.
2. Press the left/right arrow keys to view and select the options.
OR
3. Press on a value to open the alphanumeric editor screen and use
the navigation keys to scroll through.