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    Why is it so low.

    This is a discussion on Why is it so low. within the Sky Broadband help forums, part of the Sky Broadband help and support category; First history: about a month ago i contacted sky because my d/l speed dropped from 2.5meg to 1 meg. Problem ...

    1. #1
      vannus's Avatar
      vannus is offline Sky User Member
      Exchange: musselburgh
      Broadband ISP: Sky Broadband Unlimited
      Router: Sky Hub SR102
      Sky TV: Sky+ HD
      Join Date
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      Why is it so low.

      First history: about a month ago i contacted sky because my d/l speed dropped from 2.5meg to 1 meg. Problem was escalated to tier 3 according to my stats i couldnt sync above 1.4 meg and even then errors were bad so tier 3 capped my connection to 1 meg this solved problem for a while but now i cannot connect at more than 512k although my stats havee com back up d/l sync now at appros 3500kbps u/l 868 . Anyone have any idea why i am not getting 1 meg(i am waiting for tier 3 to contact me with respect to getting cap lifted. Turns out problem was with a sky box leaking attenuation onto bt cable. Apparebtly another 5 houses had their internet cut off completely). I have attached stats for more info.
      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: INTR, Upstream rate = 768 Kbps, Downstream rate = 512 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 22.7 7.0
      Attn(dB): 62.0 31.5
      Pwr(dBm): 13.5 12.5
      Max(Kbps): 3584 864
      Rate (Kbps): 512 768
      G.dmt framing
      K: 17(0) 25
      R: 16 16
      S: 8 8
      D: 16 8
      ADSL2 framing
      MSGc: 1 1
      B: 17 25
      M: 8 8
      T: 1 1
      R: 16 16
      S: 8.8888 8.6153
      L: 144 208
      D: 16 8
      Counters
      SF: 10235449 10235447
      SFErr: 35 692
      RS: 87001326 87001299
      RSCorr: 702295 5838
      RSUnCorr: 130 0

      HEC: 32 466
      OCD: 0 146
      LCD: 0 6
      Total Cells: 210116417 0
      Data Cells: 29916346 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 165 0
      SES: 155 0
      UAS: 20 0
      Total time = 1 days 20 min 29 sec
      SF = 10235449
      CRC = 35
      LOS = 302
      LOF = 0
      ES = 165
      Latest 1 day time = 20 min 29 sec
      SF = 72338
      CRC = 0
      LOS = 1
      LOF = 0
      ES = 1
      Latest 15 minutes time = 5 min 29 sec
      SF = 19407
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 15 minutes time = 15 min 0 sec
      SF = 52931
      CRC = 0
      LOS = 1
      LOF = 0
      ES = 1
      Previous 1 day time = 24 hours 0 sec
      SF = 5082380
      CRC = 4
      LOS = 59
      LOF = 0
      ES = 54
      15 minutes interval [-30 min to -15 min] time = 15 min 0 sec
      SF = 52930
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 52931
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
      SF = 52930
      CRC = 0
      LOS = 1
      LOF = 0
      ES = 1


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    3. #2
      Saturday's Avatar
      Saturday is offline Sky User Super Mod
      Exchange:
      Broadband ISP: Sky Broadband Unlimited Pro
      Router: Sky Hub SR102
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      Re: Why is it so low.

      I'm confused - or you are - one of us is

      Your stats show your router has synced at 512kbps downstream. But then you seem to be saying you can download at 3500kbps!? That's not possible. Similarly you can't upload at a higher speed than your upstream connection speed. "Leaking attenuation" is a new one on me.

      Your stats show a few things:
      • you've been capped at 512kbps (giving you a very high noise margin)
      • you have a very long line which can make ADSL a bit hit and miss
      • your attenuation would support a stable connection speed of ~2750kbps on a relatively noise free line
      • your line is generating few errors but that is probably due to the capping/high noise margin. Uncapped would be very different.

      So to answer your question:
      Quote Originally Posted by vannus View Post
      Anyone have any idea why i am not getting 1 meg(i am waiting for tier 3 to contact me with respect to getting cap lifted.
      Yes - 'cause you're capped at 512kbps

    4. #3
      vannus's Avatar
      vannus is offline Sky User Member
      Exchange: musselburgh
      Broadband ISP: Sky Broadband Unlimited
      Router: Sky Hub SR102
      Sky TV: Sky+ HD
      Join Date
      Dec 2006
      Location
      Wallyford
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      Re: Why is it so low.

      yes am syncing at 512but stats show should be capaeable off much higher i.e. 3500 also tier 3 capped me at 1 meg about 7 days ago and line was very stable so why would they change it to 512k. Sorry about using sync in wrong context just meant higher value was possible i.e maxKbps 3584

     

     

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