That is a thing of beauty….

 

Let us know the price when you find out….

 

From: AF [mailto:af-boun...@af.afmug.com] On Behalf Of Kurt Fankhauser
Sent: Friday, April 3, 2020 10:48 AM
To: AnimalFarm Microwave Users Group <af@af.afmug.com>
Subject: Re: [AFMUG] Fiber Up Tower

 

Anyone look at this Hybrid fiber/DC from Eupen?
https://www.eupen.us/mm5/merchant.mvc?Screen=FIBER 
<https://www.eupen.us/mm5/merchant.mvc?Screen=FIBER&Store_Code=EUPEN> 
&Store_Code=EUPEN 

 

I am afraid to call and ask them the price. 

 

On Fri, Apr 3, 2020 at 11:54 AM Carl Peterson <cpeter...@portnetworks.com 
<mailto:cpeter...@portnetworks.com> > wrote:

 <mailto:m...@savvitechnologies.com> m...@savvitechnologies.com - they are 
actually built in China but we just pay shipping from his WH in SC.  Takes time 
though so we order in quantity.  

Our Purchase description looks like this.  "Genuine Corning or OFS EZBEND 4.8 
ruggedized black jumper SCAPC to SCUPC 100ft" - Change the description to what 
you want, i.e SCUPC to SCUPC XXXft.  

 

On Fri, Apr 3, 2020 at 10:47 AM Carl Peterson <cpeter...@portnetworks.com 
<mailto:cpeter...@portnetworks.com> > wrote:

I'd recommend using SCA  cassettes and SCA-SCU OD patch cables. (or SCU 
cassettes and SCU-SCU cables)  I've got a source in SC that builds the patch 
cables out of 4.8MM OD cable - You can also source them from Corning etc.  Much 
easier to get an outdoor simplex patch cable in SC rather than LC.  We've 
standardized on SCA for our plant because we do a lot of GPON and that is the 
defacto standard.

 

If you are new to MPO/MPT, pay attention to male/female pins and to polarity.  
They will try to get you to do A on one end and B on the other because they 
don't understand that you want it for BiDi and want straight through.  Use A on 
both ends for straight through.      

 

On Fri, Apr 3, 2020 at 9:28 AM Josh Baird <joshba...@gmail.com 
<mailto:joshba...@gmail.com> > wrote:

Got it.  Yeah, I meant to link to a SM cassette (not MM).  

 

Thanks, Mark & Jared.

 

On Fri, Apr 3, 2020 at 9:20 AM Mark Radabaugh <m...@amplex.net 
<mailto:m...@amplex.net> > wrote:

In addition to Jared’s comment (don’t mix SM and MM fiber), make sure you have 
the correct connectors at each end.   Also make sure when ordering BiDi optics 
that you pair them correctly.   Tx on one end needs to match Rx on the other.   
You will need two different part numbers for the SFP’s.

 

Mark

On Apr 3, 2020, at 9:11 AM, fiber...@mail.com <mailto:fiber...@mail.com>  wrote:

 

I was going to write it'll work just fine, Layer 1 don't care, but you linked 
to a *multimode* MTP casette. This will either fail outright or have 
spectacular losses. Swap the MTP casette for a single mode one and you'll be 
fine.

 

Jared

  

  

Sent: Friday, April 03, 2020
From: "Josh Baird" <joshba...@gmail.com <mailto:joshba...@gmail.com> >
To: "AnimalFarm Microwave Users Group" <af@af.afmug.com 
<mailto:af@af.afmug.com> >
Subject: Re: [AFMUG] Fiber Up Tower

Someone who knows more about fiber, please help me out here.. 

 

Considering buying the 12count SM armored fiber [1] with the duplex cassettes 
[2].  To maximize the usage of the 12ct, I would like to use BiDi SFP's so that 
I can use a single strand of fiber per radio.  If I use the correct BiDi SFP's, 
will I have any issues using the duplex cassettes that are linked here?  I have 
always just used duplex fiber+SFPs and have no experience with BiDi.

 

[1] https://www.fs.com/products/70220.html 

[2] https://www.fs.com/products/57017.html

  

On Mon, Mar 30, 2020 at 11:23 PM Kurt Fankhauser <lists.wavel...@gmail.com 
<mailto:lists.wavel...@gmail.com> > wrote:

I have been researching this heavily over the past few days and this is what I 
am "thinking" about doing for fiber and power up tower. 

 

1. Run a MPT/MPO fiber trunk cable up tower (12 fibers)

https://www.fs.com/products/68017.html  (indoor version but available 
immediately in USA shipping)(could use this temporarily)

https://www.fs.com/products/70220.html  (custom length rugged outdoor version 
but takes 30 days to get here from Asia) 

 

2. Run each end of the MPT Trunk into a "MPT-12 to 6x LC Duplex Cassette" 
(tower top this will be in an enclosure)

https://www.fs.com/products/57017.html  

 

3. Run custom length FTTA LC connector Patch cables from the Tower Top 
enclosure to each radio SFP

https://www.fs.com/c/ftta-patch-cables-3856 

 

4. For Power run individual power wires or a combination of multi-conductor 
wire "cord style." The cord below is 12 guage but has 4 conductors. If wired 
properly you could individually power 3 radios and use a common ground wire and 
still be able to power cycle the 3 radios from the ground. If I need 6 radios I 
will run a second cord. My towers are only 150' tall so I think 12 guage should 
be more than big enough for me even with Medusa AP's.

https://www.ebay.com/itm/250-ft-12-4-SJOOW-SJO-SJ-SJ00W-Black-Rubber-Cord-Outdoor-Flexible-Wire-Cable/143388108175?hash=item216298e58f:g:KSQAAOSwA0JclR2G
  

 

I would run the power cords and fiber trunks into a common tower top enclosure 
and wire out from there. I really like this Trunk cable idea with the fiber 
because If done right there will be absolutely no splicing of fiber at all. If 
the Trunk cable goes bad just run a new one up and plug it into the Cassettes 
and everything should keep working. You could standardize on a couple different 
lengths of the MPT fiber trunk 150' or 250' and just stock those and coil up 
excess cable outside or something.

 

I was un-aware that Medusa AP's needed 8 gauge wire at 300' but i guess it 
could make sense.

 

  

On Mon, Mar 30, 2020 at 9:33 PM Josh Baird <joshba...@gmail.com 
<mailto:joshba...@gmail.com> > wrote:

Would you happen to have a link handy for the specific OFDC that you are 
talking about?  I'm trying to spec out a similar situation right now.

  

On Mon, Mar 30, 2020 at 9:28 PM Adam Moffett <dmmoff...@gmail.com 
<mailto:dmmoff...@gmail.com> > wrote:

In the past I went with individual pre terminated cable assemblies.  I went 
with a "core locked" fiber rather than a loose tube so there wouldn't be any 
icky pick oozing out.  The connectors were LC duplex because the radio 
manufacturer's approved SFP's were LC duplex (for both Trango and Telrad).  I 
went with individual cables because any tower climber can replace a cable, but 
I don't expect most tower climbers to be able to splice or terminate fiber.

Today I'd strongly consider a Commscope OFDC enclosure up on the tower.  I'd 
use a 24F and pre-splice all the connectors in the OFDC and have the tower guys 
hang the whole assembly.  Then it would be pre terminated jumpers from the OFDC 
to the equipment.

 

On 3/30/2020 5:34 PM, Matt wrote:

What is everyone using for fiber up tower? What using for connectors?

 

    

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Carl Peterson

PORT NETWORKS

401 E Pratt St, Ste 2553

Baltimore, MD 21202

(410) 637-3707 




 

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Carl Peterson

PORT NETWORKS

401 E Pratt St, Ste 2553

Baltimore, MD 21202

(410) 637-3707 

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