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    speed keeps droping to 0 then climbing up again

    This is a discussion on speed keeps droping to 0 then climbing up again within the Sky Broadband help forums, part of the Sky Broadband help and support category; Ive recently moved into a new flat and ive replaced all the sockets.. i dont and never had a BT ...

    1. #21
      kn0bby's Avatar
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      Re: speed keeps droping to 0 then climbing up again

      Ive recently moved into a new flat and ive replaced all the sockets.. i dont and never had a BT socket with a test socket, just got a main socket with two cables coming in.. Sorry forgot to mention this.

      These are my results after nearly two hours.. all has been ok so far.. Shall take results again when i have problems or after 24 hours..


      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: FAST, Upstream rate = 764 Kbps, Downstream rate = 15323 Kbps
      Link Power State: L0
      Mode: ADSL2+
      Channel: Fast
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 8.3 12.5
      Attn(dB): 30.5 17.6
      Pwr(dBm): 1.3 12.4
      Max(Kbps): 15948 864
      Rate (Kbps): 15323 764
      G.dmt framing
      K: 239(0) 24
      R: 16 16
      S: 1 8
      D: 64 8
      ADSL2 framing
      MSGc: 59 68
      B: 238 23
      M: 1 8
      T: 2 1
      R: 16 16
      S: 0.4980 7.7037
      L: 4096 216
      D: 64 8
      Counters
      SF: 398460 398458
      SFErr: 2 1
      RS: 51799808 3386893
      RSCorr: 5112 0
      RSUnCorr: 9 0

      HEC: 2 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 233116645 11624486
      Data Cells: 108371424 3534494
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 3 1
      SES: 2 0
      UAS: 14 17
      Total time = 1 hours 47 min 49 sec
      SF = 398460
      CRC = 2
      LOS = 2
      LOF = 0
      ES = 3
      Latest 1 day time = 1 hours 47 min 49 sec
      SF = 398460
      CRC = 2
      LOS = 2
      LOF = 0
      ES = 3
      Latest 15 minutes time = 2 min 49 sec
      SF = 10501
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 15 minutes time = 15 min 0 sec
      SF = 55590
      CRC = 1
      LOS = 0
      LOF = 0
      ES = 1
      Previous 1 day time = 0 sec
      SF = 0
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-30 min to -15 min] time = 15 min 0 sec
      SF = 55591
      CRC = 1
      LOS = 2
      LOF = 0
      ES = 2
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 55590
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
      SF = 55591
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0


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    3. #22
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      Re: speed keeps droping to 0 then climbing up again

      Stats need to be over a period of heavy usage ie downloading to show up any faults. In the mean time you could take the face plates off the sockets and make sure only pins 2 and 5 are connected in all sockets.
      Last edited by Koala5; 19-08-07 at 03:29 PM.

    4. #23
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      Re: speed keeps droping to 0 then climbing up again

      i dont and never had a BT socket with a test socket
      There is nothing to stop you fitting one you know, as long as it is fitted after the BT's main socket.

      TomD


      Please note the views and recommendations in my posts are my own and in no way reflect the views of SkyUser.


      Useful Utilites

      http://www.nirsoft.net/utils/wifi_information_view.html/ TCPOptimiser /Test Socket

      Note - When downloading always select the Custom install or you will end up with stuff you don't want.





    5. #24
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      Re: speed keeps droping to 0 then climbing up again

      Morning Guys,

      Well its been nearly 24 hours, Just looked at my machine and its downloading and 2-3k, couldn't brouse this website so had to reboot the router. Please see stats from the router before rebooting below. I downloaded about 11 Gig while it was up.

      If anyone is able to give me some advice or would like me try anything further this would be appreciated..

      Cheers

      Knobby.

      Stats for router after - 23 hours 29 min 28 sec

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: FAST, Upstream rate = 764 Kbps, Downstream rate = 15323 Kbps
      Link Power State: L0
      Mode: ADSL2+
      Channel: Fast
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 8.3 12.5
      Attn(dB): 30.5 17.6
      Pwr(dBm): 947.2 12.4
      Max(Kbps): 15948 864
      Rate (Kbps): 15323 764
      G.dmt framing
      K: 239(0) 24
      R: 16 16
      S: 1 8
      D: 64 8
      ADSL2 framing
      MSGc: 59 68
      B: 238 23
      M: 1 8
      T: 2 1
      R: 16 16
      S: 0.4980 7.7037
      L: 4096 216
      D: 64 8
      Counters
      SF: 5223347 5223345
      SFErr: 3358496 12
      RS: 679035152 44398432
      RSCorr: 18511607 96
      RSUnCorr: 37071508 0

      HEC: 3371442 12
      OCD: 2118185 0
      LCD: 108 0
      Total Cells: 2904843958 85287846
      Data Cells: 282051154 9202950
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 54723 6
      SES: 54454 0
      UAS: 14 17
      Total time = 23 hours 29 min 28 sec
      SF = 5223347
      CRC = 3358496
      LOS = 43
      LOF = 0
      ES = 54723
      Latest 1 day time = 23 hours 29 min 28 sec
      SF = 5223347
      CRC = 3358496
      LOS = 43
      LOF = 0
      ES = 54723
      Latest 15 minutes time = 14 min 28 sec
      SF = 53676
      CRC = 53464
      LOS = 0
      LOF = 0
      ES = 869
      Previous 15 minutes time = 15 min 0 sec
      SF = 55590
      CRC = 55354
      LOS = 0
      LOF = 0
      ES = 900
      Previous 1 day time = 0 sec
      SF = 0
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-30 min to -15 min] time = 15 min 0 sec
      SF = 55591
      CRC = 55378
      LOS = 0
      LOF = 0
      ES = 900
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 55591
      CRC = 55362
      LOS = 0
      LOF = 0
      ES = 900
      15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
      SF = 55652
      CRC = 55435
      LOS = 2
      LOF = 0
      ES = 887

    6. #25
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      Re: speed keeps droping to 0 then climbing up again

      If you have followed Koala5's advice, then I am afraid your line is just not capable of handling ADSL2+. During the last hour or so your line has generated almost 100% errors. I am surprised it stayed up so long. I am also surprised that Sky have not picked this up, reduced you to G.DMT and capped your connection. I may be wrong, but this may be the only way you will get a stable connection.

      TomD


      Please note the views and recommendations in my posts are my own and in no way reflect the views of SkyUser.


      Useful Utilites

      http://www.nirsoft.net/utils/wifi_information_view.html/ TCPOptimiser /Test Socket

      Note - When downloading always select the Custom install or you will end up with stuff you don't want.





    7. #26
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      Re: speed keeps droping to 0 then climbing up again

      for the meantime, yes that would be the only way to keep it stable - until the user got the wiring sorted...
      -------------------------------------------



      Useful Sticky: - How To Obtain Your Router Stats, BT Speed Test, Check For Test Socket

    8. #27
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      Re: speed keeps droping to 0 then climbing up again

      Wiring???

      Ive got a dark gray cable coming into my flat.. this goes to a standard main wall box, This is from BnQ, it was not a BT one previously, from the back of this box it goes to a another wall socket, which again is a standard non main socket, so it doesnt have any of the resistors on the back, have i just answered my own question??? What do they do??

      Cheers

      Knobby.

    9. #28
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      Re: speed keeps droping to 0 then climbing up again

      In case anyone didnt undertstand what i meant by this,

      I have a Main bt socket with the ring capacitor and Spark gap arrester, front the back of this socket i had a cable going to another standard socket with no capacitor, this way this is wired currently my devices are directly connected to the line and do not run through a capacitor or arrester, is this my problem or are these items just there to protect my devices.

      Thanks in advance...

    10. #29
      IWasNotTheEnemy's Avatar
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      Re: speed keeps droping to 0 then climbing up again

      what i meant was the wiring is more than likely the cause of the issues as with an attenuation of 30 the sync speed should be close to the download speed - in this case its not suggesting it could very well be an issue with the wiring at the users end
      -------------------------------------------



      Useful Sticky: - How To Obtain Your Router Stats, BT Speed Test, Check For Test Socket

    11. #30
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      Re: speed keeps droping to 0 then climbing up again

      Did you check that only pins 2 and 5 have wires connected to them in all sockets as I advised earlier? Extra wires connected other than those 2 can cause problems. The comonents on the first socket are mainly to protect against surges from lightening etc.

     

     
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