I looked at this stuff six ways from sunday, and if I had to do a sparse
area that was self funded, I would do distributed tap architecture and
try to use 12F drop cable as much as possible just like you are.
I imagine you keep re-using the same 4 colors for the customer facing
splitters, and use the other 8 colors to keep rolling down the road to
the next splitter.
On 3/1/2019 11:48 AM, Chris Fabien wrote:
Chuck
Here is a quick sketch of the optical tap split we use. Each handhole
uses a custom ratio FBT splitter to peel off a small bit of light from
the mainline fiber, and then a normal PLC to break that up further to
the required number of customers. If you are at all familiar with CATV
this is essentially the same thing that coax taps do, just with light.
The appropriate FBT ratio has to be picked at each handhole, and it
steps up in % as you go down the line.
You can chain as many as 15-20 of these taps in a line using just one
mainline strand, depending on split ratio, distance, and GPON optical
budget. We run ZTE using class C++ OLT optics and run this system out
to about 30km and still can split to cover about 20 houses over a mile
of road.
We normally run rural mainline direct buried. When your mainlin cable
is 18 cents a foot 35 cents for duct just blows the budget plus it
adds another work step blowing or pulling the cable into the duct.
On Fri, Mar 1, 2019 at 11:11 AM <ch...@wbmfg.com
<mailto:ch...@wbmfg.com>> wrote:
Chris,
I would love to have you post a schematic diagram of your low
count PON system.
Do you use duct or direct burial?
*From:* Chris Fabien
*Sent:* Friday, March 1, 2019 9:00 AM
*To:* AnimalFarm Microwave Users Group
*Subject:* Re: [AFMUG] Fiber - ROI
We do fiber in 5-20 houses per mile areas. You have to get the
cost down as much as possible. We plow most of our mainline direct
buried, often use a 12-count tonable flat drop as mainline on side
roads. With the right GPON splitting topology you can feed
several hundred houses on a 12-count fiber. If the area is rural
enough to not have a lot of paved driveways you can cover a lot of
ground fast plowing. Cheap electronics like ZTE or UBNT.
Everythign fusion spliced because splicing labor is cheaper for us
than the fancy connectorized systems.
Permitting cost will vary by area, our costs are $500 for the
first mile and $50 per additional mile, one time fee.
On Fri, Mar 1, 2019 at 10:54 AM Matt Hoppes
<mattli...@rivervalleyinternet.net> wrote:
I’m looking at running fiber to some very rural areas.
Even if I get grant funding to run it. How are those of you
doing it making the ongoing ROI when you might have 5 houses
each mile?
Pole rentals are $15-$17/ea per year.
Is trenching normally something you pay the state/county per
mile? Per once permit?
Does anyone know of a company I can consult with that will
design and engineer FTTH networks?
Chuck - are you still accepting folks to come down with you
for a week to learn your ways of fiber?
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