Valid Ranges For Vf Thresholds - Paradyne COMSPHERE 3920PLUS Technical Reference Manual

COMSPHERE 392xPlus Modems
VF Thresholds
Receive Signal Level High
Receive Signal Level Low
Signal to Noise Ratio
Non-Linear Distortion
Retrains (per 15 minutes)
Signal Quality
Near Echo
Far Echo
Frequency Offset
Phase Jitter
Phase Hits
Impulse Hits
Gain Hits
Drop Outs
7-20
Table 7-1

Valid Ranges for VF Thresholds

Valid Ranges
0 dBm to –15 dBm
–16 dBm to – 50 dBm
5 dB to 40 dB
15 dB to 50 dB
1 to 255 trains
Excellent (lowest)
Good
Fair
Poor
No Signal (highest)
0 38 dBm
0 –38 dBm
1 Hz to 15 Hz
1 degree to 45 degrees
1 to 255 hits
1 to 255 hits
1 to 255 hits
1 to 255 dropouts
October 1998
Default Values
Above –9 dBm
Below –23 dBm
Below 23 dB
Below 30 dB
15 trains
Good
Above –20 dBm
Above –20 dBm
Above 4 Hz
Above 9 degrees
20 hits per 15 minutes
20 hits per 15 minutes
20 hits per 15 minutes
20 dropouts per 15 minutes
3920-A2-GH30-40