There is also Positron
https://www.positronaccess.com/

On Wed, May 19, 2021 at 9:41 AM <af-requ...@af.afmug.com> wrote:

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> Today's Topics:
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>    1. Re: Moving from cnMaestro Cloud to onPrem (Josh Luthman)
>    2. Re: Moving from cnMaestro Cloud to onPrem (Carl Peterson)
>    3. G.fast or G.hn for MDUs with older wiring (Brough Turner)
>    4. Re: Moving from cnMaestro Cloud to onPrem (Josh Luthman)
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> Message: 3
> Date: Wed, 19 May 2021 10:31:51 -0400
> From: Brough Turner <bro...@netblazr.com>
> To: AnimalFarm Microwave Users Group <af@af.afmug.com>
> Subject: [AFMUG] G.fast or G.hn for MDUs with older wiring
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> ngu7or2pnj...@mail.gmail.com>
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> We're an urban WISP with most of our residential customers in MDUs. Most of
> these MDUs have Cat5e or Cat6 from central closets (usually per floor) into
> each unit.  However, we have 13 buildings where we deployed Planet VDSL2
> gear over older phone wire between 2013 & 2016.  We stopped going after
> such buildings and stopped deploying new VDSL2 gear in 2017.  Now Planet
> has discontinued the equipment we were using and we just used our only
> spare DSLAM, so we'll have to upgrade at least a few buildings (if only to
> obtain spares to keep the rest of our VDSL2 buildings alive).
>
> I have some G.hn experience.  Back in 2017, we did a demonstration
> project with Korea Telecom using G.hn equipment that KT provided:
>
>
> http://www.madison-park.org/press/bostons-netblazr-korea-telecom-partner-supply-affordable-housing-residents-free-high-speed-internet/
> The building had older 25-pair telecom cables terminated on Type 66 blocks,
> i.e. 1970s(?) wiring.  As we connected customers, the results got worse and
> worse, presumably the result of cross talk in the 25-pair bundles. In the
> end, results were still a bit better than the 70-80 Mbps we get from our
> Planet VDSL2 gear, but not much.  One thing I noticed was the KT DSLAM
> (UbiQuoss U4224BU) had individual RJ11 jacks for each line.  This compares
> with G.fast equipment that seems to connect via 25-pair cables.  Talking to
> a KT engineer who came to Boston to help with the installation, I got the
> impression that most MDUs where this gear is used in Korea have Cat3
> cabling, not 25-pair bundles.  In any event, I'm a bit discouraged with
> G.hn.
>
> The pro-G.fast arguments include that it has better crosstalk protection,
> for example this:
>
>
> http://www.mocalliance.org/access/Broadband-technology-evaluation-and-analysis.pdf
> but I have no experience as yet.
>
> If I go with G.fast, I'm aware of these vendors:
>
> Fast Systems (Robert Muller CTO)
> Adtran
> Calix
>
> I know Robert and have talked with him recently.  But I don't have any
> experience with any G.fast equipment.
>
> If anyone has actually deployed G.fast in an MDU, I'd love to hear about
> the setup and your experience.
>
> Thanks,
> Brough
>
> Brough Turner
> netBlazr Inc. ? Free your Broadband!
> Mobile:  617-285-0433   Skype:  brough
> netBlazr Inc. <http://www.netblazr.com/> | Twitter
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> End of AF Digest, Vol 36, Issue 113
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