Where best to fit my splitter?

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#777440 9-Mar-2013 18:23

Hi, yes just connect the line to the modem, nothing else.

However based on your attenuation and sync rate I dont think much will change, any change (as you have seen) is just a minor irrelevance.

Cyril

nickb99

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#777697 10-Mar-2013 18:38

Have disconnected the phone pair, router rates are unchanged unfortunately.
Maybe a poor quality connection on the router link could be at fault? I will cut/remake the connections when I have a few mins spare this week, see if that helps. Bit disappointed though. Just have to hope that the link is more reliable, if not any quicker.

nickb99

128 posts

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#823645 22-May-2013 16:54

I might have some spare time this weekend to play around with this again. The cat5 I used was pretty old and has been bunched up many times over the years. Perhaps a new bit of cat5e is worth a try? Making a mod only to find you would have done better by leaving well alone is *very* annoying...

Shoes2468

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#823677 22-May-2013 17:39

nickb99: I might have some spare time this weekend to play around with this again. The cat5 I used was pretty old and has been bunched up many times over the years. Perhaps a new bit of cat5e is worth a try? Making a mod only to find you would have done better by leaving well alone is *very* annoying...

One other thing you could try would be to remove the splitter altogether, just connect the line into the cat5 straight to the modem

nickb99

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#823680 22-May-2013 17:49

Thanks for the suggestion. How exactly would I wire that?

Both the router socket and the telephone socket have their own runs of cable back to the ETP now. The telephone one is disconnected as I don't use it.

I buy shiny new cat5e with plugs on...plug directly into the router at one end (bypassing the socket which I guess can't hurt) and then cut the plug off the other end - bypass the splitter - and connect which wires on the cat5e to which on the incoming line? Apologies if this is dumb q.

richms

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#823724 22-May-2013 19:29

Precrimped cat5s will be stranded. They dont work with scotchlocs

Richard rich.ms

nickb99

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#823726 22-May-2013 19:32

richms: Precrimped cat5s will be stranded. They dont work with scotchlocs

You mean I can't cut one end off and bare the wire?

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richms

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#823730 22-May-2013 19:45

No, because it is several strands which will just flap around in the middle of the slot in the scotchloc, it needs to have solid wire

Richard rich.ms

nickb99

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#823760 22-May-2013 20:34

Ah, interesting. Could that explain perhaps then the performance downgrade I experienced? Because I used a cat5 cable with the plugs off cut, and then I crimped the ends...

DravidDavid

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#823766 22-May-2013 20:42

nickb99: Ah, interesting. Could that explain perhaps then the performance downgrade I experienced? Because I used a cat5 cable with the plugs off cut, and then I crimped the ends...

I have no idea, but am looking forward to the results when you replace the cable! :)

RunningMan

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#823774 22-May-2013 20:54

Use solid core cable, don't strip the insulation, and leave as much of the twist in the pair as possible when inserting in to the crimp.

Stryfe

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#823844 22-May-2013 22:34

Just get a short length of cat5/6 (solid cored) and an inline cat5e joiner (krone style punchdown) if your ETP is water tight... punch down your service lead on one pair in the joiner. Punch down your cat5/6 on the other side (if you want further moisture proofing melt wax onto it or pack the joiner with vaseline or similar). Center pins on Cat5 are generally used for phone (blue/blue-white for T568B) run the cat 5/6 to where you want to mount your modem, and punch the pins down onto a wallmount RJ45 socket, buy a pre-made RJ45 -> RJ11 cable to connect to your modem. Done dealio!

If you want to use your central splitter attach it directly to the service lead (gelcap crimps probably best for this), and punch its output pairs down on the inline joiner instead...

Its worth noting that the central splitter wont really change the quality of your line and if your service is naked its pretty much pointless as there should be no voice frequencies (carrier or modulation) to separate from the xDSL signal... Every-connection on the line has a chance to fail or introduce noise, so the more direct path for the signal to follow the better!

RunningMan

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#823915 23-May-2013 06:26

Stryfe: Its worth noting that the central splitter wont really change the quality of your line and if your service is naked its pretty much pointless as there should be no voice frequencies (carrier or modulation) to separate from the xDSL signal...

Not quite correct - that only covers one part of the reason for a master splitter. The other part is to isolate any existing poor house wiring and line stubs that have a dramatic impact on DSL.

It's only pointless on a naked connection, with a single outlet, with good quality cat3 or better UTP wiring, with no line taps/ stubs or other poor connections.

cyril7

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#823923 23-May-2013 07:29

As per what Runningman says, you either have to use a splitter or create an unsplit clean line from demarc to modem with nothing else across it. Sorting the duplexing issue is only part of the story, creating an RF compliant transmission line is the other.

Cyril

nickb99

128 posts

Master Geek

#823968 23-May-2013 09:29

Cheers guys. I'm a little confused by the instructions but will get some solid core cable and give it a go. As the splitter is already here and the other telephone socket might be activated at some point I don't want to remove it. Will post again with the results.

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