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166 posts

Master Geek
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Topic # 237491 5-Jun-2018 10:53
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I'm looking for advice as to how best to cable a phone setup and how to create the cables required.


At a remote location I'm using a (Vodafone) Huawei B315 attached to a yagi to provide service over 2Degrees/Vodafone to an ordinary cordless phone.  The B315 is stuck in an inconvenient corner because of the limited length of coax from the yagi.  The house is cabled with Cat5E and Cat6. I'd like to be able to put the cordless's base unit in a central location and connect it to the B315.


The fly in the ointment is that standard phone-to-RJ11-phone-jack cables invert the order of the two conductors, so just plugging into Ethernet (through RJ11-RJ45 fittings) at each end won't work.  So my first thought was to create one non-crossing-over RJ11-RJ11 cable.  But I haven't got the right crimping die for flat phone cable and RJ11/12.  It doesn't seem sensible to invest in a new die (hard to find for my crimper) or a new crimper for what's probably a one-off and a disappearing technology.


So does anyone out there want to sell me an RJ11-RJ11 non-crossing-over cable?  Or perhaps a pair of RJ11-RJ45 cables, one crossing over and one not?


Or would people advise replacing the 10 metres of RG58 running from the yagi with 20 metres of RG213U (which I've got lying around, salvaged from an abandoned VHF radio site, condition uncertain) or LMR400 (which I'd have to buy) and just shifting the B315 to the central location?  How finicky is RG213U to fit plugs to?


TIA for all advice.



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Uber Geek
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Biddle Corp
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  Reply # 2029714 5-Jun-2018 10:59
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The polarity/orientation of tip and ring doesn't matter for 99.9% of phones or devices. What phone do you have that's unique and reversed?



'That VDSL Cat'
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  Reply # 2029717 5-Jun-2018 11:00
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i typically use these:
 (scroll down to the rj45 ones:))





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Ultimate Geek
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  Reply # 2030399 5-Jun-2018 23:10
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I use these: C-RJ45LT4  (good site @hio77)


Put one of these at each end of the structured Cat5. Allows you to still use Ethernet 100MB on 2 pairs and analogue phone on the others.



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