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4 posts

Wannabe Geek

Topic # 225587 25-Nov-2017 08:56
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If you have a ADSL? four wire telephone cable connected to the outside of the house at a junction box and two of those four wires are connected to two of the eight wire Internet cable (that leads to the modem), can you also run a external 8 wire Internet cable off the junction box 8 wire connection to run a long distance (30m external) cable from the LAN off the modem, to run another computer junction in another building?

The problem I face is I don’t know if the two wires that are being used to hard wire the telephone cable to the internet cable leading into the modem can also be used at the same time to export say the information out of the modem LAN through the Internet cable to the new building so to use the internet.

Or I need run a new 8 wire cable directly from shed to house into the modem outlet port.

Two pictures one shows the new added Internet cable and the second image shows that I temporarily broke off the connectors to rejoin the telephone cable and shows the new Internet cable that I want to join the eight wires to.

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  Reply # 1907484 25-Nov-2017 08:58
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Can't see the pics??

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Wannabe Geek

Reply # 1907505 25-Nov-2017 09:53
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Can't see the pics??

Picture has been uploaded

'That VDSL Cat'
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  Reply # 1907512 25-Nov-2017 10:35
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I'm seeing 1 picture there.




Crimping cables like that will degrade DSL signal heavily.




I'd not try to combine LAN and DSL traffic over a signal cable, This will lower you instantly to 100MBit and risks a degraded DSL signal. 

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Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.

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  Reply # 1907515 25-Nov-2017 10:38
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Firstly, get some proper gel crimp connectors rather than those wires twisted together.


You won't be able to successfully join an Ethernet cable in that junction box. Best bet is to run a new cable from your router to the shed.

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Wannabe Geek

  Reply # 1907635 25-Nov-2017 13:16
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Okay thank you guys I will run an external cable directly to the modem as suggested

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  Reply # 1907957 26-Nov-2017 13:15
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Dayne: Okay thank you guys I will run an external cable directly to the modem as suggested


And if you join with scotchlok connectors, dont strip the wires going into the connector, they are designed to crimp into the insulation.




Best to run your external cable to a jackpoint at each end, then you just use patch cords to connect modem and computer to the jackpoints.

Qualified in business, certified in fibre, stuck in copper, have to keep going  ^_^

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  Reply # 1907968 26-Nov-2017 14:52
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A bit confused from your description, but essentially you want to retain the DSL setup, and run ethernet/LAN over orange/brown/green pairs of the white cable and into the black cable?


Should be do-able. Won't do gigabit. May possibly degrade your DSL, but personally I'd give it a go.


As above, get some gel crimps to connect your DSL pair either way. You could also use these for LAN. This only needs two pairs - green and brown.

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