[chbot] Willowbank fibre network.

[Charles Manning]

Electric fence zaps should also be common mode interference so I would
think a twisted pair with transformers should reject that reasonably well.

On Tue, Nov 19, 2019 at 8:15 PM Trevor Wignall <zl3adz at gmail.com> wrote:

> If all else fails, the Cat6 cable at 100MBps might work better than you
> think. No optical isolation needed as the ethernet has transformer
> isolation at both ends, although PoE bypasses this. If you are running
> pipes around the place, it wouldn't hurt (much) to include a run or two as
> a backup plan. Even if there is interference from the electric fence, it
> has a low duty cycle, so the ethernet gear should just retry automatically.
>
> Trevor
>
> On Tue, Nov 19, 2019 at 6:22 PM Henri Shustak <henri.shustak at gmail.com>
> wrote:
>
>> Hello again,
>>
>> Also, if you have not started trenching. I have had really good luck with
>> Ubiquity (Chinese) Wi-Fi bridges. They are really quite amazing and at
>> about $250 for a pair including POE injectors it is amazing.
>>
>> In the past that kind of out door gear was in the thousands. They also
>> offer longer distance Wi-Fi to ethernet layer 2 bridges.
>>
>> H
>>
>>
>> > On 19/11/2019, at 1:46 PM, Daniel Powell <danielvieway at hotmail.com>
>> wrote:
>> >
>> > I've recently been assisting Willowbank to form a small local LAN and
>> trench in a new fibre broadband line.
>> >
>> > We've trenched into the main office and laid a section of cat 6 back to
>> a portacom office from the main office. We're looking to enable network
>> coverage over to the Kiwi House from either this portacom or fibre from the
>> main office.
>> >
>> > To this extent the proposed copper runs above ground alongside an
>> electric fence. I was thinking of running optoisolators at either end of
>> copper, however a generous member of this group has offered fibre to the
>> extent that would satisfy this run. I believe this to be a considerably
>> better solution given the noisy environment.
>> >
>> > Willowbank have nobody to currently terminate this internal line. I
>> wondered if there was someone in this group that could volunteer their
>> services, or offer them for material cost to terminate a single run of
>> fibre.
>> >
>> > Given their very limited current network, the run  to the kiwi house
>> would enable video streaming, remote telemetry (with alerts) and data
>> recovery of the incubators, kiwi weights and stop a clear majority of the
>> sneekernet network that is required of the current system.
>> >
>> > Any help appreciated.
>> >
>> > Regards,
>> > Daniel.
>> >
>> >
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