Лог плохого соединения:

ati3
U.S. Robotics 56K FAX EXT V4.9.1

OK

ati6
U.S. Robotics 56K FAX EXT Link Diagnostics...

Chars sent 3 Chars Received 1016
Chars lost 0
Octets sent 3 Octets Received 422
Blocks sent 3 Blocks Received 20
Blocks resent 0

Retrains Requested 0 Retrains Granted 1
Line Reversals 0 Blers 0
Link Timeouts 0 Link Naks 0

Data Compression V42BIS 2048/32
Equalization Long
Fallback Enabled
Protocol LAPM
Speed 21600/21600
Current Call 00:01:12

Online

OK

ati7
Configuration Profile...

Product type US/Canada External
Product ID: 00083907
Options V32bis,V.34+,x2,V.90
Fax Options Class 1/Class 2.0
Line Options Caller ID, Distinctive Ring
Clock Freq 92.0Mhz
EPROM 256k
RAM 32k

FLASH date 2/24/98
FLASH rev 4.9.1

DSP date 2/24/98
DSP rev 4.9.1

OK

ati11
U.S. Robotics 56K FAX EXT Link Diagnostics...


Modulation V.34
Carrier Freq (Hz) 1600/1800
Symbol Rate 2400/2400
Trellis Code 64S-4D/64S-4D
Nonlinear Encoding ON/ON
Precoding OFF/ON
Shaping ON/ON
Preemphasis (-dB) 0/0
Recv/Xmit Level (-dBm) 18/11
Near Echo Loss (dB) 28
Far Echo Loss (dB) 49
Carrier Offset (Hz) -2310
Round Trip Delay (msec) 5
Timing Offset (ppm) -2880
SNR (dB) 40
Speed Shifts Up/Down 0/0
Status :

OK

aty11

Freq Level (dB)

150 20
300 17
450 17
600 16
750 16
900 16
1050 16
1200 16
1350 16
1500 16
1650 16
1800 16
1950 16
2100 16
2250 16
2400 16
2550 16
2700 16
2850 16
3000 16
3150 16
3300 16
3450 17
3600 19
3750 24
OK