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    adsl2+

    This is a discussion on adsl2+ within the Sky Broadband help forums, part of the Sky Broadband help and support category; as its an 8mb product, if you are stable on g.dmt at 8mb it was probably decided thats the best ...

    1. #11
      The Doctor's Avatar
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      Re: adsl2+

      as its an 8mb product, if you are stable on g.dmt at 8mb it was probably decided thats the best for your line. post some stats if you would like us to check.


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    3. #12
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      Re: adsl2+

      Stats as below
      I am 2.5 KM from the exchange

      Status: Showtime Channel: INTR, Upstream rate = 448 Kbps, Downstream rate = 3296 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 11.8 18.0
      Attn(dB): 58.0 31.5
      Pwr(dBm): 18.8 11.9
      Max(Kbps): 3552 932
      Rate (Kbps): 3296 448

    4. #13
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      Re: adsl2+

      Full stats below

      /usr/sbin/adslctl: ADSL driver and PHY status
      Status: Showtime Channel: INTR, Upstream rate = 448 Kbps, Downstream rate = 3296 Kbps
      Link Power State: L0
      Mode: G.DMT
      Channel: Interleave
      Trellis: ON
      Line Status: No Defect
      Training Status: Showtime
      Down Up
      SNR (dB): 11.8 18.0
      Attn(dB): 58.0 31.5
      Pwr(dBm): 18.8 11.9
      Max(Kbps): 3552 932
      Rate (Kbps): 3296 448
      G.dmt framing
      K: 104(0) 15
      R: 14 4
      S: 2 4
      D: 16 8
      ADSL2 framing
      MSGc: 1 1
      B: 104 15
      M: 2 4
      T: 1 1
      R: 14 4
      S: 2.1333 4.2500
      L: 840 128
      D: 16 8
      Counters
      SF: 52988 52986
      SFErr: 0 0
      RS: 1801616 900762
      RSCorr: 530 0
      RSUnCorr: 0 0

      HEC: 0 0
      OCD: 0 0
      LCD: 0 0
      Total Cells: 7000960 0
      Data Cells: 136880 0
      Drop Cells: 0
      Bit Errors: 0 0

      ES: 0 0
      SES: 0 0
      UAS: 13 0
      Total time = 15 min 17 sec
      SF = 52988
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Latest 1 day time = 15 min 17 sec
      SF = 52988
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Latest 15 minutes time = 17 sec
      SF = 1000
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 15 minutes time = 15 min 0 sec
      SF = 51988
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0
      Previous 1 day time = 0 sec
      SF = 0
      CRC = 0
      LOS = 0
      LOF = 0
      ES = 0

    5. #14
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      Re: adsl2+

      As you can see your atten is quite high at 58, noise margin is fine. but you are only syncing at 3.2mb this could be internal wiring limiting your speed but it may also be the max your line can take.

      there is no crc errors on your line but there is a high amount of corrected errors. therefore my conclussion is you are best on adsl1 and that you should check your internal setup. if your in the master socket you may be allready getting the highest your line can take.

     

     
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