House Phone Wiring pt. 2

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House Phone Wiring pt. 2

Рет қаралды 14,114

Күн бұрын

Why do my phone jacks have two cables? This is known as Serial wiring or "daisy chain" wiring. It's a very common method used in residential Telephone wiring systems.
This video is a follow-up to the very successful video published back in 2017. In this segment we spend of the time talking about why serial wiring will affect the way you troubleshoot broken phone jacks.
00:00:20 What Serial wiring is
00:01:52 What is the Demark
00:02:42 a look at more house phone jacks
#DIY
#Telephonewiring

Пікірлер: 31

@rorysalarms8110 3 ай бұрын

DIY Telecom i think that Nokia phone box converter is very awesome.

@npatel12345 2 ай бұрын

Great!

@russ320 Жыл бұрын

Excellent video

@DIYTelecom Жыл бұрын

Thanks for the visit

@M_B_24 4 ай бұрын

Do you have a video of PULLING the wires out of a home? Is there electricity to any of them? I am a female DIY & want to move tons of old phone wire and also cable wire that will never be used. Lots of old equipment. Can you help me with any guidance?

@kinbolluck476 4 ай бұрын

Its probably negligence to say whether or not wires in your house are live. Phone lines are energized from the outside though. Things like voip modems will energize them as well.

@JuNlethalpoet 2 жыл бұрын

If both those lines where bringing dial tone from the modem could we in theory use 4 numbers at that jack or is 2 phone numbers the max we can get to the rj11 jack. Without conflict in dial tone. I'm a commercial technician. I wire businesses but my only struggle seems to be 66 punch down blocks. I don't understand where the dial tone lines get punched to.

@DIYTelecom 2 жыл бұрын

Hi Jun, yes, a typical RJ-11 support 2 separate phone lines. They do make similar jacks with 6-pins which allow 3 lines. Typically, once an organization (or home) needs more than 2 lines, they go with some sort of business phone system. 😊

@JuNlethalpoet 2 жыл бұрын

@Paul Jameson nice description thanks

@donl1410 2 жыл бұрын

Best practice is, if you daisy chain, it should be a loop from NI to all the jacks and from the last jack back to th NI/Dmarc. Should a jack be lost, the phone service to the others remain. Twisting the like tips and ring wires and putting them under a single screw at the jack is a weak point and has been known to fail. Wires should terminate under a seperate washer under the jack screws.

@DIYTelecom 2 жыл бұрын

That’s interesting Don, so basically the wiring makes a full circle? Agree with the double washer approach. My suspicion is that these home builders just have the electricians do all the low-vo wiring. Thanks for chiming in with that piece of info! 👍😀

@donl1410 2 жыл бұрын

@@DIYTelecom That's correct. Making a loop feeds both ends of the daisy chain. Proper polarity is necessary at all points. All the pairs should be made-up at each jack location, so having to get into all the jacks to add something isn't necessary. When I was doing prewiring, I always home run to each jack. 👍

@DIYTelecom 2 жыл бұрын

I’ll bet that helps reduce RF noise on the line. (hum). Agreed about the home runs. Unfortunately, This is what I was given. I may try to retrofit some home runs for Cat6, but it’s gonna be work! 🙄

@donl1410 2 жыл бұрын

@@DIYTelecom Yep. Somtimes we have to work with what we got.

@JuNlethalpoet 2 жыл бұрын

@@donl1410 I prefer home run lines over daisy chaining lines. Way easier to work with and troubleshoot.

@marilynreno7510 2 жыл бұрын

The wires from the phone company into the demarc are yellow/blue and yellow/white but inside the house I can find the red green/yellow black pairs. I'm really trying to disconnect so that I can add voip, should I be worried about those lines outside? I'm thinking I'll just be splicing them away anyhow. Am I correct in this thinking?

@DIYTelecom 2 жыл бұрын

Yeah the color shouldn’t matter too much. But if you will be back-feeding you house wiring with voip dialtone, you do want the demarc wires disconnected from your inside wiring.

@DIYTelecom 2 жыл бұрын

Great comment Paul. Nice to hear from the other side of the world. Here in the US, our infrastructure is a complete mix of so many things. Still a majority of houses have copper from the street. More modern houses (last 20-30 years) have fiber. And, many people now get their dial done from the CATV provider. Thanks for watching 😊

@sbrown9020 2 жыл бұрын

Daisy Chain is similar to punch down ..just for residential

@DIYTelecom 2 жыл бұрын

Oh you mean like those 6-pin wide punch-blocks (sorry can remember the proper RJ name)?

@sbrown9020 2 жыл бұрын

@@DIYTelecom yes they have 8 total pins ...but I hear of others I've never dealt with those

@sbrown9020 2 жыл бұрын

@Paul Jameson yes you are rig... I'm saying it's similar to daisy chain because it is a continuing of signal... say you have a number of 123-456-7890 daisy chain allows you to repeat that number jack to jack as you said.... with a 66 block you can repeat that number at the block how ever many times ... I've done it for 8 or 9 or 10 rooms having the same number there coming from the block and using cat 5e to send the signal to the areas. Yes it's not the same just has some similar things

@sbrown9020 2 жыл бұрын

@Paul Jameson oh OK. I've never used that one ... I only used a punch down for many lines

@DIYTelecom 2 жыл бұрын

Kind of on an oddly related note: here in the US (and I suspect other countries) many house holds no longer have land lines. I wonder if all that decrease load on the copper circuits has allowed for larger REN values for those who STILL DO have an old fashioned telephone 🤔