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SN Margin

  • 04-04-2008 9:34pm
    #1
    selfbuilder1
    Registered Users, Registered Users 2 Posts: 662 ✭✭✭


    Hi folks,

    Can anyone explain why my downstream SN margin varies so much. It goes from 16 to 6 and everything in between. My downstream line attenuation is steady at 48.

    Thanks.


Comments

  • #2
    Little-Devil
    Closed Accounts Posts: 911 ✭✭✭Little-Devil


    selfbuilder1 wrote: »
    Hi folks,

    Can anyone explain why my downstream SN margin varies so much. It goes from 16 to 6 and everything in between.

    It's more then likely noise on the line or interference by a device connected to the line. The obvious check would be to take everthing off the phoneline and connect directly to the main phone point in the house and check the SNR.


  • #3
    dub45
    Moderators, Technology & Internet Moderators Posts: 12,450 Mod ✭✭✭✭dub45


    Some information here: http://www.kitz.co.uk/adsl/lowSNR.htm


  • #4
    Little-Devil
    Closed Accounts Posts: 911 ✭✭✭Little-Devil


    dub45 wrote: »
    Some information here: http://www.kitz.co.uk/adsl/lowSNR.htm

    Dub45, what ISP do you work for :).


  • #5
    dub45
    Moderators, Technology & Internet Moderators Posts: 12,450 Mod ✭✭✭✭dub45


    Little-Devil wrote: »
    Dub45, what ISP do you work for :).

    Actually they all hate me for moaning so much about them!:)


  • #6
    Little-Devil
    Closed Accounts Posts: 911 ✭✭✭Little-Devil


    dub45 wrote: »
    Actually they all hate me for moaning so much about them!:)

    So you dont deny it ;).


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  • #7
    dub45
    Moderators, Technology & Internet Moderators Posts: 12,450 Mod ✭✭✭✭dub45


    Well if they all hate me they definitely would not employ me!:)


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