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misha256

24 posts

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#157342 27-Nov-2014 23:17
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Hi everyone,

I got my Spark VDSL connection today. Attenuation down is 23.6dB. I thought Spark had a target of 10.8dB and wouldn't even let you near VDSL if your attenuation was going to be much higher than that.

That's got me thinking. I'm about 900m from the cabinet. Is 24dB normal for this distance? If so, why did Spark allow a connection that well exceeds the target?

Not complaining though. I'm getting 20% faster down and 8x faster up (compared to ADSL2+ I had before). Modest bump, but very handy for those large uploads to the cloud. Still, I'm quietly hoping someone will say "you should be seeing ~10dB even at 900m" tongue-out

Modem stats:
ASUS DSL-AC68U (3.0.0.4.376_2072)
DSL Firmware Version      1.0.1.7
DSL Driver Version      FwVer:5.5.1.124_A_A60901 HwVer:T14.F7_0.1
DSL Link Status      up
DSL Uptime      0 days 3 hours 7 minutes 57 seconds
DSL modulation      ITU G.993.2(VDSL2)
Annex mode      ANNEX_A
SNR Down      11.8 dB
SNR Up      12.3 dB
Line Attenuation Down      23.6 dB
Line Attenuation Up      49.1 dB
Data Rate Down      18902 kbps
Data Rate Up      6687 kbps
MAX Rate Down      23056
MAX Rate Up      7101
POWER Down      18.6 dbm
POWER Up      8.6 dbm
CRC Down      2
CRC Up      0

Speedtest before upgrade (on ADSL2+)
Speedtest before upgrade (ADSL2+)

Speedtest after upgrade (on VDSL2)
Speedtest after upgrade (VDSL2)

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plambrechtsen
1948 posts

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  #1185716 30-Nov-2014 10:28
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Your VDSL Attenuation will be approximately 2.5X higher than your ADSL attentuation. Since the frequency bandwidth is much higher than with ADSL.

Your downstream is 18mb and upstream is 6mb so then you are doing pretty well.

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