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Rj45 to RJ11

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    Rj45 to RJ11

    I've a wireless router in the cellar, but can't get connect to it above the ground floor - which is fine for most use, but it would be useful to have the ability to connect to the net from the other floors. Also handy for visitors who perhaps haven't got wireless on their laptops, if that's possible nowadays!

    My house is wired for two phone lines, with RJ11 sockets on all four floors. However, I only have one phone line actually in use. I was thinking that I could get a few RJ45 to RJ11 converters and use the spare line as network cabling.

    Perhaps something like this:

    Code:
    Cellar
    
                !--------!    !-----!    !--!
    Internet----! Router !----! Hub !----!PC!
                !--------!    !-----!    !--!
                                 !
                               !--!   !---!    !--!
                               !SC!---!Hub!----!PC!
                               !--!   !---!    !--!
                                 !
    Ground floor.................!...................
                                 !
                               !--!   !---!    !--!
                               !SG!---!Hub!----!PC!
                               !--!   !---!    !--!
                                 !
    First  floor.................!...................
                                 !
                               !--!   !---!    !--!
                               !S1!---!Hub!----!PC!
                               !--!   !---!    !--!
                                 !
    Second floor.................!...................
                                 !
                               !--!   !---!    !--!
                               !S2!---!Hub!----!PC!
                               !--!   !---!    !--!
    
    Where SC, SG, S1, S2 are the sockets with convertors on each floor.

    Is this going to work? Do I need a hub on each floor? Any other solutions?

    Thanks.
    Last edited by NotAllThere; 25 August 2008, 11:37.
    Down with racism. Long live miscegenation!

    #2
    AFAIK phone sockets are connected in parallel, I think your solution would be the equivalent of having one large ethernet cable and splicing multiple rj45 connectors to it; this won't work!

    I'm happy to be proved wrong, of course if this occurs I will edit this post to say "Yes it will work" and remove all traces of my infallibility.
    B00med!

    Comment


      #3
      Don't the hubs address that problem? Edit-> ah, I think I see what you mean.

      I don't mind only allowing one PC to connect via the wall sockets at a time - so would this work?

      Code:
      Cellar
      
                  !--------!    !-----!    !--!
      Internet----! Router !----! Hub !----!PC!
                  !--------!    !-----!    !--!
                                   !
                                 !--!   !--!
                                 !SC!---!PC!
                                 !--!   !--!
                                   !
      Ground floor.................!...................
                                   !
                                 !--!   !--!
                                 !SG!---!PC!
                                 !--!   !--!
                                   !
      First  floor.................!...................
                                   !
                                 !--!   !--!
                                 !S1!---!PC!
                                 !--!   !--!
                                   !
      Second floor.................!...................
                                   !
                                 !--!   !--!
                                 !S2!---!PC!
                                 !--!   !--!
      Last edited by NotAllThere; 25 August 2008, 12:00.
      Down with racism. Long live miscegenation!

      Comment


        #4
        If only one of the PCs connected to SC,SG,S1 or S2 is on I can't see why not. I'm sure someone on here could propose a more elegant solution though.
        B00med!

        Comment


          #5
          What you're suggesting is almost old fashioned 10-base T (i.e. several devices connected along one cable), so I wonder if you could make that work? That should be over coax, so I'm not sure what would happen with telephone wire.

          Have you tried power line network kit?
          Will work inside IR35. Or for food.

          Comment


            #6
            Originally posted by VectraMan View Post
            What you're suggesting is almost old fashioned 10-base 2 (i.e. several devices connected along one cable), so I wonder if you could make that work? That should be over coax, so I'm not sure what would happen with telephone wire.

            Have you tried power line network kit?




            I believe...
            B00med!

            Comment


              #7
              Originally posted by Advocate View Post
              10-base 2
              I bow down to your superior cable plugger knowledge.
              Will work inside IR35. Or for food.

              Comment


                #8
                Isn't RJ45 8 pin and RJ11 6 pin?

                I have a feeling you are going to have problems if you are missing two wires....

                Comment


                  #9
                  Originally posted by Ardesco View Post
                  Isn't RJ45 8 pin and RJ11 6 pin?

                  I have a feeling you are going to have problems if you are missing two wires....
                  Both typically only use 4 of those wires...
                  Last edited by Advocate; 25 August 2008, 14:42. Reason: It's been a 'busy' networky researchy day...
                  B00med!

                  Comment


                    #10
                    Originally posted by Ardesco View Post
                    Isn't RJ45 8 pin and RJ11 6 pin?

                    I have a feeling you are going to have problems if you are missing two wires....
                    That was one of the reasons I asked the question!

                    A couple of adaptors for RJ45 to RJ112 and a little hub is likely to be a bit cheaper than networking over the power cables.

                    Thanks for the help.

                    edit: It just occurred to me that in the same socket panel there's connections for satellite - maybe I could do 10base2 over that!
                    Last edited by NotAllThere; 25 August 2008, 15:03.
                    Down with racism. Long live miscegenation!

                    Comment

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