Četiri godine ovako:
Code:
============================================================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 8b
Traffic Type: PTM Mode
Link Uptime: 0 day: 11 hours: 53 minutes
============================================================================
VDSL Port Details Upstream Downstream
Line Rate: 2.046 Mbps 20.479 Mbps
Actual Net Data Rate: 2.047 Mbps 20.480 Mbps
Trellis Coding: ON ON
SNR Margin: 7.8 dB 6.7 dB
Actual Delay: 0 ms 0 ms
Transmit Power: 12.7 dBm 18.6 dBm
Receive Power: 0.8 dBm 0.2 dBm
Actual INP: 12.0 symbols 27.0 symbols
Total Attenuation: 12.1 dB 18.4 dB
Attainable Net Data Rate: 2.263 Mbps 21.997 Mbps
============================================================================
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 19.5 N/A N/A N/A 33.9 102.3 N/A
Signal Attenuation(dB): 19.5 N/A N/A N/A 31.5 N/A N/A
SNR Margin(dB): 7.8 N/A N/A N/A 6.7 N/A N/A
Transmit Power(dBm): 12.7 N/A N/A N/A 18.6 N/A N/A
============================================================================
i onda ovako na novoj centrali.
Code:
============================================================================
VDSL Training Status: Showtime
Mode: VDSL2 Annex B
VDSL Profile: Profile 17a
Traffic Type: PTM Mode
Link Uptime: 0 day: 0 hour: 8 minutes
============================================================================
VDSL Port Details Upstream Downstream
Line Rate: 2.799 Mbps 23.999 Mbps
Actual Net Data Rate: 2.800 Mbps 24.000 Mbps
Trellis Coding: ON ON
SNR Margin: 31.0 dB 27.3 dB
Actual Delay: 0 ms 0 ms
Transmit Power: 1.9 dBm 10.0 dBm
Receive Power: -15.2 dBm -9.9 dBm
Actual INP: 54.0 symbols 51.0 symbols
Total Attenuation: 18.0 dB 19.9 dB
Attainable Net Data Rate: 48.789 Mbps 81.531 Mbps
============================================================================
VDSL Band Status U0 U1 U2 U3 D1 D2 D3
Line Attenuation(dB): 6.5 21.3 31.9 N/A 13.1 27.2 40.6
Signal Attenuation(dB): 6.5 20.8 33.0 N/A 9.0 26.9 40.6
SNR Margin(dB): 31.0 31.0 31.0 N/A 27.3 27.4 27.0
Transmit Power(dBm):-10.1 - 0.5 - 0.4 N/A - 1.5 7.9 5.2
============================================================================
I ne može preko 50 Mbps na VDSL-u, jer to je ograničenje paketa.
Džabe što infrastruktura može. Da se ne može složiti neki individualni paket, ako ima puno lufta? Može li mi netko potkovaniji objasniti zašto?