No Dial Tone From Wiring Bridged Telecom Module (HBG-1008)

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Yoban

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#228764 21-Jan-2018 15:11

Hi All,

Just had fibre installed and am connecting up my phone line from the ONT to my structured cabling solution which uses the Dynamix Bridged Telecom Module (HBG-1008) and have no dial tone. It was working fine with my old copper line that came via cat6 and master splitter at the ETP.

I have chopped the end off the cable (rj11->rj11 6 core) the chorus left me to punch down and have followed the guide http://www.notjustcables.co.nz/pdfs/hbg1008.pdf and still no luck. I have also read this post too https://www.geekzone.co.nz/forums.asp?forumid=39&topicid=208637 which is similar in topic.

I have checked that I am plugged in to the POTS1 port on the ONT and also plugged phone directly in to this and the line is correct/working.

I have attached the image below for a second set of eyes to check I have it correct and will double check my punch downs.

Appreciate your guidance.

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#1944437 21-Jan-2018 15:15

Most likely the stranded wire has broken on the connector - always a bit hit and miss punching that wire down. Ideally just crimp some solid wire in to a rj11 connector and punch that down. Or just, strip the stranded wire, twist on to some solid wire and scotch lock for insulation.

Edit.. and just making sure the red/green is definitely the centre pins on your rj11. I would assume it is, but you never know with some cables.

RunningMan

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#1944438 21-Jan-2018 15:16

Might need to make up a new cable - punching down stranded cable into that won't be very reliable, really needs to be solid core cable.

Yoban

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#1944439 21-Jan-2018 15:20

thanks for that!

I was also wondering if I the "Line" pair in the right positions. The cable from wall to phone is RJ45->RJ11 and uses the two middle pins. The middle pins of cable from ONT to distro board and Red & Green pair currently punched in the bottom, which I believe represents line number 4. Should they be in a different position on distro board?

Yoban

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#1944440 21-Jan-2018 15:22

RunningMan:

Might need to make up a new cable - punching down stranded cable into that won't be very reliable, really needs to be solid core cable.

Off to find some RJ11s on a Sunday arvo it may seem...PB Tech did not have any this morning

Yoban

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#1944444 21-Jan-2018 15:32

chevrolux: Edit.. and just making sure the red/green is definitely the centre pins on your rj11. I would assume it is, but you never know with some cables.

Yes they are - key is making sure then are in the right position on the distro board, based on diagram is this correct? I have some CAT6 cable that I can use - could I use an RJ11 with 8 pins?

This would make it easy to wire following T568a standard

toejam316

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#1944449 21-Jan-2018 15:40

Just FYI, it's a bridged module - Pair 1 in slot 1 is identical to Pair 1 in slot 2, etc.

So instead of terminating it roughly, the quick and dirty method is plug in an RJ11 cable between the ONT/Modem and Slot 1 on the module, then use slots 2 and onwards for your house wiring. Might be a tad easier/quicker, and 100% reliable if you don't have the right tools to hand.

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Yoban

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#1944451 21-Jan-2018 15:52

toejam316:

Just FYI, it's a bridged module - Pair 1 in slot 1 is identical to Pair 1 in slot 2, etc.

@toejam316 - Thanks! completely slipped my mind. Just tested and bingo dial tone. Now to find some 8 pin RJ11s for a CAT6 cable I have lopped one end of as they seem to be scarce.

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#1944452 21-Jan-2018 15:56

RJ11s only have 6 contact positions. RJ11 is actually 6P2C, i.e., has two installed contacts, RJ14 is 6P4C, RJ25 is 6P6C.

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Yoban

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#1944453 21-Jan-2018 15:58

Spyware:

RJ11s only have 6 contacts.

Thanks for that @spyware! Bit new to telephony stuff. Would this mean looking at RJ12, but this possibly would not fit in the POTS port of the ONT

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#1944454 21-Jan-2018 16:04

RJ12 is 6P6C. You want 8P8C which is known as RJ45 on module end. ONT only takes a 6P RJ jack.

toejam316

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#1944455 21-Jan-2018 16:10

If you know someone with a Spark modem, the most recent ones all came with RJ11-RJ45 cables for the VDSL sockets - grab one of those off them and you'll be away.

Otherwise, just cut pairs 2(Wh-Or), 3(Wh-Gr) and 4(Wh-Br) flush and terminate Pair 1 (Wh-Bl) onto pins 3 and 4 of an RJ11 (I think 3 and 4, it's been a while since I've done one and I'm waaaaaaay too lazy to go find one to reconfirm, or use the googleometer). That'll do what you need it to, just won't be the prettiest. If you want pretty, you'll need to get a 2 pair cable and crimp an RJ11 one end, and RJ45 the other end, but like I said, easiest method is to snag one of the many ones bundled with the Spark modems that are laying abandoned.

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#1944456 21-Jan-2018 16:13

Thanks @spyware - I guess my dilemma is how to wire CAT6 in to an RJ11 that will go in to the ONT and decide which pairs to leave out? I could follow the T568A standard fro RJ11 6P6C and drop the brown/whitebrown. The other end would have all pair punched down on distro board.

See anything wrong with this?

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#1944457 21-Jan-2018 16:14

Yoban:

Thanks @spyware - I guess my dilemma is how to wire CAT6 in to an RJ11 that will go in to the ONT and decide which pairs to leave out? I could follow the T568A standard fro RJ11 6P6C and drop the brown/whitebrown. The other end would have all pair punched down on distro board.

See anything wrong with this?

You've got the right of it, as above, blue white in RJ45 is always pairs 4 and 5, which is always center two pins, which is where POTS should always live in a standard config. The others are bonuses, feel free to terminate them as per the standard, or cut them away as I previously mentioned.

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Yoban

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#1944458 21-Jan-2018 16:15

toejam316:

If you know someone with a Spark modem, the most recent ones all came with RJ11-RJ45 cables for the VDSL sockets - grab one of those off them and you'll be away.

Otherwise, just cut pairs 2(Wh-Or), 3(Wh-Gr) and 4(Wh-Br) flush and terminate Pair 1 (Wh-Bl) onto pins 3 and 4 of an RJ11 (I think 3 and 4, it's been a while since I've done one and I'm waaaaaaay too lazy to go find one to reconfirm, or use the googleometer). That'll do what you need it to, just won't be the prettiest. If you want pretty, you'll need to get a 2 pair cable and crimp an RJ11 one end, and RJ45 the other end, but like I said, easiest method is to snag one of the many ones bundled with the Spark modems that are laying abandoned.

Awesome - great idea!

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#1944463 21-Jan-2018 16:33

USOC pinout http://www.lanshack.com/wire_phone_jack.aspx

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