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    Frequent disconnections

    This is a discussion on Frequent disconnections within the Sky Broadband help forums, part of the Sky Broadband help and support category; Hi all, I've had Sky broadband for a couple of months now (Mid package) and I have to reboot my ...

    1. #1
      mambafia's Avatar
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      Frequent disconnections

      Hi all,
      I've had Sky broadband for a couple of months now (Mid package) and I have to reboot my router several times a day to keep it working. Originally it was connected to an extension so I moved to the master socket to test and I still got the same problem. I then tried plugging it directly into the test socket and this improved things greatly and I only had to reboot once a week or so. However I don't want to keep it like this as none of my extensions work when plugged in the test socket.
      When BT activated my line, they left a new master socket with me - they didn't replace the original as the extension cables were too short to cut off and reattach easily so I swapped it last night and tried the router plugged into the normal master socket again, and this morning again I had no access to anything (Even though the router says it's connected) and needed a reboot again.
      I hope you can follow what I've written as it's a bit of a ramble! I have a couple of questions basically; are these symptoms recognisable to anyone as something that can be sorted easily? and can bad quality extension wiring affect the master socket at all?

      Thanks for any help,
      Andy


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    3. #2
      IWasNotTheEnemy's Avatar
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      Re: Frequent disconnections

      running in master is always the best way of keeping connection stable - however, posting up ur stats would also help to show if errors on the line are causing the issues...
      -------------------------------------------



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

    4. #3
      mambafia's Avatar
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      Re: Frequent disconnections

      Hi,
      I am happy to have the router in the master socket, but it only works properly in the test socket which stops all my extensions working. Are these the stats you mean?

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: INTR, Upstream rate = 416 Kbps, Downstream rate = 4000 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 7.9 14.0
      Attn(dB): 43.0 27.5
      Pwr(dBm): 18.8 0.8
      Max(Kbps): 4576 1152
      Rate (Kbps): 4000 416
      G.dmt framing
      K: 126(0) 14
      R: 16 16
      S: 1 16
      D: 64 8
      ADSL2 framing
      MSGc: 1 1
      B: 126 14
      M: 1 16
      T: 1 1
      R: 16 16
      S: 1.1259 17.0666
      L: 1016 120
      D: 64 8
      Counters
      SF: 223188 223186
      SFErr: 54 0
      RS: 15176854 948540
      RSCorr: 825227 76
      RSUnCorr: 937 0

      HEC: 51 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 35798261 0
      Data Cells: 538446 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 45 0
      SES: 22 0
      UAS: 25 0
      Total time = 1 hours 3 min 54 sec
      SF = 223188
      CRC = 54
      LOS = 22
      LOF = 0
      ES = 45
      Latest 1 day time = 1 hours 3 min 54 sec
      SF = 223188
      CRC = 54
      LOS = 22
      LOF = 0
      ES = 45
      Latest 15 minutes time = 3 min 54 sec
      SF = 13761
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 15 minutes time = 15 min 0 sec
      SF = 52931
      CRC = 37
      LOS = 13
      LOF = 0
      ES = 26
      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 = 52930
      CRC = 10
      LOS = 5
      LOF = 0
      ES = 10
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 52990
      CRC = 7
      LOS = 2
      LOF = 0
      ES = 7
      15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
      SF = 50576
      CRC = 0
      LOS = 2
      LOF = 0
      ES = 2

    5. #4
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      Re: Frequent disconnections

      yes they are. line has been capped to 4MB (prob cause line was unstable previously) - and when using the test socket all extention are disconnected (they run off the faceplate). nothing looks too bad there but you could do with running the connection harder to get more traffic through it - say another 4hrs worth - and repost them...
      -------------------------------------------



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

    6. #5
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      Re: Frequent disconnections

      If things improve when plugged into the test socket then it sounds like your extension wiring is causing problems. Make sure only pins 2 and 5 are connected in all extension sockets and from the extensions into the master. There may be other wires connected which are not required and can cause problems, also avoid the use of plug in extension leads anywhere on the phone wiring as they are generally poor quality cable and can introduce noise.

    7. #6
      mambafia's Avatar
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      Re: Frequent disconnections

      Well all my extensions have 2, 3 and 5 connected - why might this have been? Is 3 completely redundant and can I just cut them out?
      Also, how should extensions be wired? from my master socket there are 3 lots of cables in 2, 3 and 5 which are connected to 3 extensions. One of these extensions also has other cables connected which go to another extension - in series basically, is this ok?
      My extensions do sound noticably worse than the master when using the phone so I'd like to have a go at making these better.

      Many thanks for everyone's help so far.

      Incidentally my broadband has been spot on today so far so perhaps putting the new faceplate on has helped. I have put the latest stats at the end.

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: INTR, Upstream rate = 416 Kbps, Downstream rate = 1024 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 15.8 14.0
      Attn(dB): 43.0 28.0
      Pwr(dBm): 17.9 1.6
      Max(Kbps): 1184 1088
      Rate (Kbps): 1024 416
      G.dmt framing
      K: 33(0) 14
      R: 16 16
      S: 4 16
      D: 32 8
      ADSL2 framing
      MSGc: 1 1
      B: 126 14
      M: 1 16
      T: 1 1
      R: 16 16
      S: 1.1259 17.0666
      L: 1016 120
      D: 64 8
      Counters
      SF: 43341 43339
      SFErr: 0 0
      RS: 736816 184190
      RSCorr: 4 0
      RSUnCorr: 0 0

      HEC: 0 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 1779592 0
      Data Cells: 100411 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 228 0
      SES: 104 0
      UAS: 49 0
      Total time = 6 hours 56 min 29 sec
      SF = 1465698
      CRC = 396
      LOS = 175
      LOF = 0
      ES = 228
      Latest 1 day time = 6 hours 56 min 29 sec
      SF = 1465698
      CRC = 396
      LOS = 175
      LOF = 0
      ES = 228
      Latest 15 minutes time = 11 min 29 sec
      SF = 40580
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 15 minutes time = 15 min 0 sec
      SF = 51045
      CRC = 124
      LOS = 1
      LOF = 0
      ES = 4
      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 = 52931
      CRC = 33
      LOS = 5
      LOF = 0
      ES = 9
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 52930
      CRC = 11
      LOS = 0
      LOF = 0
      ES = 3
      15 minutes interval [-60 min to -45 min] time = 15 min 0 sec
      SF = 52931
      CRC = 11
      LOS = 3
      LOF = 0
      ES = 10

    8. #7
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      Re: Frequent disconnections

      Pin 3 is a ring wire and was used to make the old style phones "ring" when plugged into an extension but modern day electronic phones have there own circuit inside to make them ring so pin 3 isn't required, yes you can disconnect that wire, It is well known for causing broadband problems and disconnecting mine fixed all my problems. Extensions should be daisy chained like Xmas tree lights using twisted pair cable. I wouldn't worry about rewirring everything just yet, discconnect pin 3 in all box's and see how you get on.

    9. #8
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      Re: Frequent disconnections

      Thanks for all the help with this, since disconnecting wire 3 and rewiring one of my extensions, I have had no disconnections at all, it even went form around 4Mbps to 6.5Mbps which was great! The thing is that for the last week or so I now only get around 1 Mbps.
      I phoned Sky and all they could tell me was to swap the filters as one may be faulty

      I have attached a config from when I first noticed, is there anything obvious here? Thanks in advance for any help,
      Andy

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: INTR, Upstream rate = 416 Kbps, Downstream rate = 1120 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 16.5 14.0
      Attn(dB): 43.0 27.5
      Pwr(dBm): 18.6 1.4
      Max(Kbps): 1280 1088
      Rate (Kbps): 1120 416
      G.dmt framing
      K: 36(0) 14
      R: 16 16
      S: 4 16
      D: 32 8
      ADSL2 framing
      MSGc: 1 1
      B: 206 14
      M: 1 16
      T: 1 1
      R: 16 16
      S: 1.0772 17.0666
      L: 1656 120
      D: 64 8
      Counters
      SF: 537477 537475
      SFErr: 0 0
      RS: 9137112 2284268
      RSCorr: 0 68
      RSUnCorr: 0 0

      HEC: 0 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 24137549 0
      Data Cells: 104222 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 69 0
      SES: 18 0
      UAS: 5307 0
      Total time = 1 days 23 hours 38 min 59 sec
      SF = 9577572
      CRC = 1557
      LOS = 102
      LOF = 0
      ES = 69
      Latest 1 day time = 23 hours 38 min 59 sec
      SF = 4885708
      CRC = 472
      LOS = 7
      LOF = 0
      ES = 3
      Latest 15 minutes time = 8 min 59 sec
      SF = 31759
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 15 minutes time = 15 min 0 sec
      SF = 52930
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 1 day time = 24 hours 0 sec
      SF = 4691864
      CRC = 1085
      LOS = 95
      LOF = 0
      ES = 66
      15 minutes interval [-30 min to -15 min] time = 15 min 0 sec
      SF = 52931
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      15 minutes interval [-45 min to -30 min] time = 15 min 0 sec
      SF = 52930
      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 = 0
      LOF = 0
      ES = 0

    10. #9
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      Re: Frequent disconnections

      What you need is an ADSLNation faceplate This allows you to isolate the ADSL line right at the source, leaving all of your extensions intact and not requiring individual filters. Well worth the few pounds it costs...

      TomD


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    11. #10
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      Re: Frequent disconnections

      You need to go through the same proceedure again try the test socket etc to rule out any faults with your wiring.

     

     
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