-Yara-
21-02-2018, 18:52
Ciao, fino a ieri andava tutto bene, poi oggi, senza cambiare nulla, ho degli sbalzi dell'SNRm in downstream.
Passa da cosi:
============================================================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 8b
Traffic Type: PTM Mode
Link Uptime: 0 day: 1 hour: 16 minutes
============================================================================
VDSL Port Details Upstream Downstream
Line Rate: 8.954 Mbps 66.741 Mbps
Actual Net Data Rate: 8.955 Mbps 66.742 Mbps
Trellis Coding: ON ON
SNR Margin: 5.8 dB 6.1 dB
Actual Delay: 0 ms 0 ms
Transmit Power: - 8.2 dBm 18.5 dBm
Receive Power: 0.0 dBm 7.6 dBm
Actual INP: 55.0 symbols 59.0 symbols
Total Attenuation: 0.5 dB 11.0 dB
Attainable Net Data Rate: 8.955 Mbps 68.136 Mbps
============================================================================
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 4.4 27.2 N/A N/A 13.9 36.8 N/A
Signal Attenuation(dB): 4.4 26.0 N/A N/A 11.5 36.5 N/A
SNR Margin(dB): 5.8 5.8 N/A N/A 6.3 5.8 N/A
Transmit Power(dBm):-13.1 -10.0 N/A N/A 18.3 7.6 N/A
a cosi:
============================================================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 8b
Traffic Type: PTM Mode
Link Uptime: 0 day: 1 hour: 21 minutes
============================================================================
VDSL Port Details Upstream Downstream
Line Rate: 8.954 Mbps 66.741 Mbps
Actual Net Data Rate: 8.955 Mbps 66.742 Mbps
Trellis Coding: ON ON
SNR Margin: 5.8 dB 5.1 dB
Actual Delay: 0 ms 0 ms
Transmit Power: - 8.2 dBm 18.5 dBm
Receive Power: 0.0 dBm 7.6 dBm
Actual INP: 55.0 symbols 59.0 symbols
Total Attenuation: 0.5 dB 11.0 dB
Attainable Net Data Rate: 8.955 Mbps 66.359 Mbps
============================================================================
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 4.4 27.2 N/A N/A 13.9 36.8 N/A
Signal Attenuation(dB): 4.4 26.0 N/A N/A 11.5 36.5 N/A
SNR Margin(dB): 5.8 5.8 N/A N/A 5.1 5.1 N/A
Transmit Power(dBm):-13.1 -10.0 N/A N/A 18.3 7.6 N/A
============================================================================
Entrambe le configurazioni durano circa VENTI secondi, il che mi fa pensare ad un disturbo intermittente.
Ho anche un adsl su un altro doppino, ed anche quella varia in maniera regolare, ma di 0.1db non di 1db intero.
Che fare? Cosa potrebbe essere
Escludo qualsiasi problema all'impianto telefonico di casa.
Grazie :(
Passa da cosi:
============================================================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 8b
Traffic Type: PTM Mode
Link Uptime: 0 day: 1 hour: 16 minutes
============================================================================
VDSL Port Details Upstream Downstream
Line Rate: 8.954 Mbps 66.741 Mbps
Actual Net Data Rate: 8.955 Mbps 66.742 Mbps
Trellis Coding: ON ON
SNR Margin: 5.8 dB 6.1 dB
Actual Delay: 0 ms 0 ms
Transmit Power: - 8.2 dBm 18.5 dBm
Receive Power: 0.0 dBm 7.6 dBm
Actual INP: 55.0 symbols 59.0 symbols
Total Attenuation: 0.5 dB 11.0 dB
Attainable Net Data Rate: 8.955 Mbps 68.136 Mbps
============================================================================
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 4.4 27.2 N/A N/A 13.9 36.8 N/A
Signal Attenuation(dB): 4.4 26.0 N/A N/A 11.5 36.5 N/A
SNR Margin(dB): 5.8 5.8 N/A N/A 6.3 5.8 N/A
Transmit Power(dBm):-13.1 -10.0 N/A N/A 18.3 7.6 N/A
a cosi:
============================================================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 8b
Traffic Type: PTM Mode
Link Uptime: 0 day: 1 hour: 21 minutes
============================================================================
VDSL Port Details Upstream Downstream
Line Rate: 8.954 Mbps 66.741 Mbps
Actual Net Data Rate: 8.955 Mbps 66.742 Mbps
Trellis Coding: ON ON
SNR Margin: 5.8 dB 5.1 dB
Actual Delay: 0 ms 0 ms
Transmit Power: - 8.2 dBm 18.5 dBm
Receive Power: 0.0 dBm 7.6 dBm
Actual INP: 55.0 symbols 59.0 symbols
Total Attenuation: 0.5 dB 11.0 dB
Attainable Net Data Rate: 8.955 Mbps 66.359 Mbps
============================================================================
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 4.4 27.2 N/A N/A 13.9 36.8 N/A
Signal Attenuation(dB): 4.4 26.0 N/A N/A 11.5 36.5 N/A
SNR Margin(dB): 5.8 5.8 N/A N/A 5.1 5.1 N/A
Transmit Power(dBm):-13.1 -10.0 N/A N/A 18.3 7.6 N/A
============================================================================
Entrambe le configurazioni durano circa VENTI secondi, il che mi fa pensare ad un disturbo intermittente.
Ho anche un adsl su un altro doppino, ed anche quella varia in maniera regolare, ma di 0.1db non di 1db intero.
Che fare? Cosa potrebbe essere
Escludo qualsiasi problema all'impianto telefonico di casa.
Grazie :(