For once I agree with Mike, lol, I think Teletronics had a coax to Ethernet cabling solution catered to hotels and hospitals. Long ago.
Jaime Solorza On Thu, Mar 29, 2018, 11:37 AM Mike Hammett <[email protected]> wrote: > If we're changing methods, we should be going to glass and power up the > tower and not use anything conductive for data. > > > > ----- > Mike Hammett > Intelligent Computing Solutions <http://www.ics-il.com/> > <https://www.facebook.com/ICSIL> > <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> > <https://www.linkedin.com/company/intelligent-computing-solutions> > <https://twitter.com/ICSIL> > Midwest Internet Exchange <http://www.midwest-ix.com/> > <https://www.facebook.com/mdwestix> > <https://www.linkedin.com/company/midwest-internet-exchange> > <https://twitter.com/mdwestix> > The Brothers WISP <http://www.thebrotherswisp.com/> > <https://www.facebook.com/thebrotherswisp> > > > <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> > ------------------------------ > *From: *"Nate Burke" <[email protected]> > *To: *"Animal Farm" <[email protected]> > *Sent: *Thursday, March 29, 2018 10:47:37 AM > *Subject: *[AFMUG] A Stupid coax question > > Comcast has been deploying their WIFI hotspot network like mad in the > Chicago metro. Every public park, gas station, strip mall, hotel, and > train station seems to have a wifi AP hung outside of it now. These > units just hang on their aerial coax cable, and get their power and data > just off a single RG-6 coax run off the nearest splitter. Drawing the > power off the DC Coax plant. Here's a picture of a typical > installation. > > http://comcastsupport.i.lithium.com/t5/image/serverpage/image-id/22608i79AFB9E182CD549C?v=1.0 > > So this got me thinking again, as I have for several years, why are we > still using POE to run PMP Equipment on towers. It seems from a > installation, RF Shielding, and grounding/suppression perspective, using > coax would be the far better choice. Anyone can be taught to terminate > a perfect RG6 in <5 minutes. No Colors to remember. Any couplers are > inherently waterproof. No loose plugs or broken clips. Cheap cheap > cheap outdoor cable. Shielded cables by default. It just seems that > there are a lot of benefits for the low power draw radios. Obviously a > licensed link can't pull enough power over an RG6, but EPMP or 450 or > UBNT PMP radios I would think could run just fine. Instead of having to > deal with switching equipment or breakout boxes at the top of a tower, > just run up a larger coax to a splitter. No outdoor enclosure needed. > > Is it simply a lack of products that would make development costs too > much, or is there another technical aspect I'm missing. Docsis version > 3.1 Full Duplex, which is currently in development will do 10gb sync, > Docsis 3.1 is 10gb/1gb. More than enough for any of our AP Clusters for > at least a few years. https://en.wikipedia.org/wiki/DOCSIS#Comparison > It seems like UBNT or Cambium (heck Motorola already had all the coax > products built) could easily make a 10gb Fiber to Coax adapter for the > tower base. Feed it with Fiber and DC, then just keep adding splitters > and radios until you run out of power budget. > > It just seems like I've never heard it discussed, and I'm not sure why. > Obviously there is something I'm missing. Docsis is a standard, but > maybe there's no standard for the power delivery on the coax? So vendor > Inter-op prohibits development dollars from being spent on it. > > Nate > >
