I just said:
"My cable issues don't yet have to do with connectors. From posts I have
read here I was under the impression that 1wire would work over Cat5 up to
100m. Not for me. I am testing with one sensor, a waterproof DS18B20 from
Adafruit. Longest cable that works is about 45 feet. I have tried a LinkUSB
and a HobbyBoards powered master. Using a Raspberry Pi."
Correction:
I just tested with a 100 feet of different Cat5E and it works.
The cable that doesn't work is off a 200 foot length of outdoor Cat5 bought
online. What is the chance that this latter cable is faulty. It tests good
with a able tester, but that is just continuity. What other factors are
there?
How can I buy cable and know it's good stuff and not junk?? (I need 170
feet.)
I'm on a remote island in B.C. Canada. Cannot go to the corner store and
buy more cable.
Thanks,
Peter
On Mon, Jun 6, 2016 at 4:28 PM, Peter Hollenbeck <pwhb...@gmail.com> wrote:
> My cable issues don't yet have to do with connectors. From posts I have
> read here I was under the impression that 1wire would work over Cat5 up to
> 100m. Not for me. I am testing with one sensor, a waterproof DS18B20 from
> Adafruit. Longest cable that works is about 45 feet. I have tried a LinkUSB
> and a HobbyBoards powered master. Using a Raspberry Pi.
>
> Peter
>
> On Mon, Jun 6, 2016 at 1:42 PM, Colin Reese <colin.re...@gmail.com> wrote:
>
>> You have a source for ip rated with screw terminals? I never found one. I
>> looked at xlr some time ago and was unsatisfied with what I found. Another
>> equipment vendor I know uses them, but 'pretty waterproof' is insufficient
>> for an end-user product if I sell it on.
>>
>> Colin
>>
>>
>> > On Jun 6, 2016, at 1:29 PM, Steinar Midtskogen <stei...@latinitas.org>
>> wrote:
>> >
>> > I struggled a few years with the most terrible connectors that you can
>> > use outdoors, rj12 or rj45, then switched to XLR connectors, which are
>> > cheap and sturdy. You can get IP67 rated XLR connectors as well, but
>> > even the cheapest XLR connectors seem to work well with basic humidity
>> > protection.
>> >
>> > I made a couple of switchboxes using XLR connectors and put them in
>> > metal mailboxes. They've worked well for about 10 years now.
>> >
>> > -Steinar
>> >
>> > Colin Reese <colin.re...@gmail.com> writes:
>> >
>> >> Of course.
>> >>
>> >> The gender complement is this guy:
>> >>
>> >>
>> http://www.alliedelec.com/lumberg-automation-hirschmann-rsc-4-7/70050935/
>> >>
>> >> They're not cheap at about $20/pr, but they are both IP67 and also
>> >> field-serviceable (internal screw terminals). This is a rare
>> combination
>> >> that customers who do not want to solder really appreciate. I run
>> >> 5V/Data/Gnd/Shield as a standard pinout.
>> >>
>> >> C
>> >
>> >
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