Chris,
It all depends on scale. Not saying taps won't work, just saying I
could never figure out a good way of scaling them beyond maybe 12-16
customers. Always was afraid to deal with having to take everyone
south of the new tap offline. In the scheme I just posted, everything
flows south. Taps would be great in a static environment where you
can install them once and not worry about new customers. The area I
designed for was only 30% built out. Also, this is the exception to
the rule. I would NEVER advise people to build their whole network
like this.
--
Best regards,
Mark mailto:m...@mailmt.com
Myakka Technologies, Inc.
www.MyakkaTech.com
------
Thursday, February 15, 2018, 12:53:12 PM, you wrote:
Chuck, I would love to hear your lower cost idea. Right now we use
mainly HDPE handholes, not load rated, and place them so it's unlikely
to see heavy traffic. We have had one crushed so far by a tractor, so
its not perfect (but the fiber was OKAY). But they are $75ea vs $200
for a polymer concrete, worth having to replace one or two a year.
This video I only recently found, but it explains this tapping
architecture very well. https://www.youtube.com/watch?v=k78dC2z1mWc
<https://www.youtube.com/watch?v=k78dC2z1mWc> I wish I had seen this
video 5 years ago. It seemed a lot more "wierd" when we were suggested
the idea by another fiber upstart guy.
Mark, I've done lots of drawings of distributed splits inside a
12-count main and folding legs back along the mainline and what not.
Certainly a viable approach. I think it is overly complicated,
especially when at some handholes you are splicing drops to go north
and at some you are splicing to go south and what not. I think the
tapped trunk layout is working very well for us in our area, certainly
has some compromises but I'm happy with it. You do have to have the
loss values worked out upfront. If you leave some extra margin you can
tolerate cutting in an extra splitter here or there as houses are
built and what not.
Chuck, its very much same idea as Coax taps in CATV, the math pretty
much the same.
Chris
On Thu, Feb 15, 2018 at 10:44 AM, <ch...@wbmfg.com> wrote:
What are you using for handholes? Full traffic rated handholes are a
large expense.
I am working on a lower cost idea, but if something equivalent to my
idea already exists I would rather just buy them.
From: Chris Fabien
Sent: Wednesday, February 14, 2018 9:01 PM
To:af@afmug.com
Subject: Re: [AFMUG] Outdoor PON OLT
Regarding the distance, our ZTE will support up to 60 km, but max
difference of 20km between ONU on one PON. There's just a range
parameter that needs to be set.
We ordered C+ optics and see a real optical budget of 33dB. The OLT is
about +5.5 tx and -34 min rx sensitivity. The ONU about + 0.5 tx and
-28 rx sens.
I've been very impressed with the optical performance.
We did test the ubnt as well. Went with ZTE
On Feb 12, 2018 1:23 PM, "Adam Moffett" <dmmoff...@gmail.com> wrote:
That's also a compelling point.
It's not a simple question for sure.
The other reason I would think about GPON is that if a larger company
wanted to purchase our network down the road I have to think about
what THEY will prefer. They'll probably prefer PON.
Humans are horrible at assessing their own biases, but I probably have
a bias towards ethernet because it's familiar. I try to bear that in
mind too.
------ Original Message ------
From: "Chuck McCown" <ch...@wbmfg.com>
To: af@afmug.com
Sent: 2/12/2018 1:13:18 PM
Subject: Re: [AFMUG] Outdoor PON OLT
When doing full throttle Calix GPON we have about $570 invested in cpe
electronics, splitter, ont/olt/onu etc. Everything but fiber and
outdoor cabinets.
When doing active Ethernet you can come in closer to $100 per
customer.
For non regulated greenfield, I am having a hard time convincing
myself to do PON.
From: Mark - Myakka Technologies
Sent: Monday, February 12, 2018 11:09 AM
To: Chuck McCown
Subject: Re: [AFMUG] Outdoor PON OLT
Chuck,
PLC splitter in spice case doing full fusion splicing.
--
Best regards,
Mark mailto:m...@mailmt.com
Myakka Technologies, Inc.
www.MyakkaTech.com
------
Monday, February 12, 2018, 12:09:32 PM, you wrote:
Are you using splitters in splice cases or in cross connect boxes?
From: Mark - Myakka Technologies
Sent: Monday, February 12, 2018 9:55 AM
To: Adam Moffett
Subject: Re: [AFMUG] Outdoor PON OLT
Adam,
There are some ranging things you have to consider. "The requirement
when deploying ONTs are the maximum distance between two ONTs cannot
exceed 20Km."
The way we have done this is to reuse fibers as we travel down long
stretches of roads between neighborhoods.
We will deploy a 1x32 splitter in the field. We will splice that into
the last 3 ribbons/tubes of our fiber. Example, if we were using a
144 count cable, ribbons 10-12 will be spliced into. After a few
miles depending on density or distance, we will splice in another 1x32
splitter to ribbons 10-12. We just keep doing this until we run out
of light budget.
We build to the lots passed, so we are not trying to optimize max
usage per port. Currently, we average about 50% utilization on our
ports.
--
Best regards,
Mark mailto:m...@mailmt.com
Myakka Technologies, Inc.
www.MyakkaTech.com
------
Monday, February 12, 2018, 11:38:39 AM, you wrote:
Maybe I need to review the math.
I was figuring on several small splitters along the route. I didn't
compare to a 1x32 in the cabinet because I figured if I brought every
fiber back to the cabinet then I didn't save anything versus ethernet.
------ Original Message ------
From: "Mark - Myakka Technologies" <m...@mailmt.com>
To: "Adam Moffett" <af@afmug.com>
Sent: 2/12/2018 11:30:46 AM
Subject: Re: [AFMUG] Outdoor PON OLT
Adam,
How far are you going? We are pushing almost 20 miles on a 1x32
split. Are you using one 1x32 or multiple smaller splitters?
--
Best regards,
Mark mailto:m...@mailmt.com
Myakka Technologies, Inc.
www.MyakkaTech.com
------
Sunday, February 11, 2018, 10:24:30 PM, you wrote:
I'm looking at rural areas (like a few houses per mile). As I'm
looking at hypothetical power budgets for PON, I'm finding that if I
run the line down the road and put splitters on the pole I can split
5-6 times and then I'm getting too low on db to keep going down the
road. At 5 or so houses per port, a 1U, 8 port ONT is no denser than
a 1U switch.
Your stated reasons for PON are all correct. The numbers just aren't
seeming to work out for me.
I also figure if I install enough fibers for AE, I can still switch to
PON some day if I want to.
We would never max out the PON port, but looking back on the past 15
years of growth in consumption I wonder if I should ever say "never".
In AE I can put 100Gig in every house if I have to. I'll "never" have
to do that as far as I can imagine, but my imagination could be
limited.
-Adam
------ Original Message ------
From: "Josh Reynolds" <j...@kyneticwifi.com>
To: af@afmug.com
Sent: 2/11/2018 9:28:34 PM
Subject: Re: [AFMUG] Outdoor PON OLT
A few reasons...
Port cost is still fairly high.
More splicing.
More fiber required.
Larger chassis required.
More power required.
More battery backup required.
Consumers not even close to using up 1-2 generations back of PON
capacity in most places.
On Sun, Feb 11, 2018 at 7:53 PM, Chuck McCown <ch...@wbmfg.com> wrote:
So, why do PON and not active in these super cheap optics days?
From: Chuck Hogg
Sent: Sunday, February 11, 2018 6:10 PM
To: af@afmug.com
Subject: Re: [AFMUG] Outdoor PON OLT
We are walking away from them and Alphion...I think Mark's product
with Zhone is different.
Regards,
Chuck
On Sun, Feb 11, 2018 at 2:29 PM, Mike Hammett <af...@ics-il.net>
wrote:
I think Chuck Hogg walked far away from DASAN... or maybe it was
DASAN that rescued them from the one they walked far away form. I
don't remember which. ;-)
-----
Mike Hammett
Intelligent Computing Solutions <http://www.ics-il.com/>
Midwest Internet Exchange <http://www.midwest-ix.com/>
The Brothers WISP <http://www.thebrotherswisp.com/>
--------------------------------------------------------------------------------
From: "Jason McKemie" <j.mcke...@veloxinetbroadband.com>
To: af@afmug.com
Sent: Tuesday, February 6, 2018 4:35:53 PM
Subject: [AFMUG] Outdoor PON OLT
In light of finding out that Calix's offering is not going to be
anywhere near within budget, does anyone else have any other
suggestions?
I found these guys, but have never heard of them:
http://www.richerlink.com/en/products.asp?ClassID=116
<http://www.richerlink.com/en/products.asp?ClassID=116>
It looks like DASAN also has an option - I've at least heard of them:
http://www.dasannetworks.com/product_images/V5806_20140520174927.pdf
<http://www.dasannetworks.com/product_images/V5806_20140520174927.pdf>
-Jason
