BSMM si faceva falso contatto, avevo una tripolare ed infatti lo cambiai tempo fa con questo

e sembrava che il problema fosse stato risolto, comunque ora è tornata ad 80 mega VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 17a
G.Vector: Disable
Traffic Type: PTM Mode
Link Uptime: 0 day: 2 hours: 20 minutes
VDSL Port Details Upstream Downstream
Line Rate: 19.900 Mbps 77.428 Mbps
Actual Net Data Rate: 19.901 Mbps 77.429 Mbps
Trellis Coding: ON ON
SNR Margin: 5.9 dB 12.5 dB
Actual Delay: 0 ms 0 ms
Transmit Power: -23.6 dBm 13.8 dBm
Receive Power: -29.3 dBm 7.6 dBm
Actual INP: 91.0 symbols 100.0 symbols
Total Attenuation: 5.5 dB 6.1 dB
Attainable Net Data Rate: 19.819 Mbps 81.267 Mbps
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 1.2 7.0 10.0 11.6 3.9 7.9 13.3
Signal Attenuation(dB): 1.2 6.5 8.7 11.8 4.9 7.8 13.3
SNR Margin(dB): 5.7 5.9 5.9 5.9 12.5 12.5 12.5
Transmit Power(dBm):-33.0 -25.0 -32.5 -41.9 11.6 7.8 5.3
VDSL Counters
Downstream Upstream
Since Link time = 20 min 59 sec
FEC: 27 3363
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Retr: 0
FailedRetr: 0
FailedFastRetr: 0
Latest 15 minutes time = 8 min 27 sec
FEC: 0 363
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Retr: 0
FailedRetr: 0
FailedFastRetr: 0
Previous 15 minutes time = 15 min 0 sec
FEC: 0 68
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Retr: N/A
HostInitRetr: N/A
FailedRetr: N/A
Latest 1 day time = 22 hours 8 min 27 sec
FEC: 29775216 225647
CRC: 18 139
ES: 52 74
SES: 55 50
UAS: 870 814
LOS: 11 2
LOF: 32 2
LOM: 0 0
Retr: 11
FailedRetr: 3
FailedFastRetr: 0
Previous 1 day time = 0 sec
FEC: 0 0
CRC: 0 0
ES: 0 0
SES: 0 0
UAS: 0 0
LOS: 0 0
LOF: 0 0
LOM: 0 0
Retr: 0
FailedRetr: 0
FailedFastRetr: 0
Total time = 22 hours 8 min 27 sec
FEC: 29775216 225647
CRC: 18 139
ES: 52 74
SES: 55 50
UAS: 870 814
LOS: 11 2
LOF: 32 2
LOM: 0 0
Retr: 11
FailedRetr: 3
FailedFastRetr: 0