Something like this? https://www.aemc.com/products/cable-testers/cable-tester-CA7027
https://www.l-com.com/test-equipment-fault-mapper-pro-model-ca7027-telephone-cable-tester-graphical-tdr I’m not having any luck finding something on eBay. My Fluke MicroScanner does a great job on LAN cables and can accurately find distance to shorts and opens, but I don’t think it can handle cables much over 300 ft. From: AF <af-boun...@af.afmug.com> On Behalf Of ch...@go-mtc.com Sent: Wednesday, June 5, 2024 9:57 AM To: AnimalFarm Microwave Users Group <af@af.afmug.com> Subject: Re: [AFMUG] troubleshooting telco pairs You can kinda sniff along the wire. I would tie the pairs together at the far end and put the tone on it. But the age old method is to cut it in the middle and see which direction the fault lies. Ground each wire at the far end in sequence and identify the problem wire. Keep cutting the bad half. Binary chopping. You might be able to put tone on one wire to ground and sniff, or open the jacked at a mid point etc. Find someone with an old fashioned copper TDR. Do you only have 2 wire available? Does it read open circuit or does it have some leakage, shorts or grounds? Best Regards, Chuck McCown McCown Technology Corporation 8401 N Commerce Dr Lake Point, Utah 84074 801-250-9503 Office 435-830-4306 Cell www.mccowntech.com <http://www.mccowntech.com> www.microtrench.pro <http://www.microtrench.pro> www.terabitnetworks.com <http://www.terabitnetworks.com> From: Ken Hohhof Sent: Wednesday, June 5, 2024 8:44 AM To: 'AnimalFarm Microwave Users Group' Subject: Re: [AFMUG] troubleshooting telco pairs Oddly, the customer’s IT guy does have Ethernet connectivity to the barns via wireless bridges. But they want their barn controllers to also dial a list of phone numbers using the FAX line in the office. Either I’m doing something stupid, or the wire’s broken in which case it wasn’t working over the POTS line either. Farms can be very old school. Don’t want eFAX. Don’t want voicemail sent to email, they still use *97. Don’t want IVRs or autoattendants or dial by name directory. Don’t want computer-phone integration or softphones. And yet the owner’s son drives a Tesla. If it’s really a broken wire, then it’s their problem to get it fixed, I just usually start from the assumption that it was working when I got there and I’m doing something stupid. From: AF <af-boun...@af.afmug.com <mailto:af-boun...@af.afmug.com> > On Behalf Of Daniel White Sent: Wednesday, June 5, 2024 9:27 AM To: AnimalFarm Microwave Users Group <af@af.afmug.com <mailto:af@af.afmug.com> > Subject: Re: [AFMUG] troubleshooting telco pairs Can you just eliminate the wire and do a wireless PtP between the two locations? Even if you find the issue with the wire, if it is that convoluted, it sounds like an ongoing problem potentially. <https://atheral.com/> Daniel White Co-Founder phone: +1 (702) 470-2770 direct: +1 (702) 470-2766 Ken Hohhof June 5, 2024 at 1:24 AM Anybody remember your POTS troubleshooting skills? I’m trying to get an alarm system to work from a VoIP ATA over about 1000 feet of convoluted wiring at a farm, a combination of overhead and buried. I get tone on my tone tracer (Tempo brand) but 0 VDC on a buttset or voltmeter. It’s too far for my Fluke cable tester which is meant for data cables. I suspect one wire in the pair is open, but I don’t know how to check this with just a tone tracer. The alarm system just calls and plays a recorded voice announcement, so the VoIP part shouldn’t be tricky at all, not like FAX machines or alarms that use modems. But it can’t even seize the line and call out. _____ -- AF mailing list AF@af.afmug.com <mailto:AF@af.afmug.com> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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