I'm confusing myself. Let me pull up a diagram.
On Mon, Apr 6, 2020 at 8:29 AM Josh Baird <joshba...@gmail.com> wrote: > Got it, thanks for the hand holding. :) > > On Mon, Apr 6, 2020 at 9:27 AM Carl Peterson <cpeter...@portnetworks.com> > wrote: > >> Type A Female to Female cable. >> Type A cassettes on BOTH ends. (Male pins in the cassettes which is >> default for FS and most cassettes) >> >> That's it. >> >> Not rocket science. >> >> On Mon, Apr 6, 2020 at 8:23 AM Josh Baird <joshba...@gmail.com> wrote: >> >>> So - I don't think it's possible to use BiDI when using the cassettes as >>> recommended by FS.. but I'm still trying to wrap my head around it. >>> >>> They recommended this: >>> >>> * https://www.fs.com/products/70220.html (12fiber, MTP female on both >>> ends, Type "A" polarity) >>> * https://www.fs.com/products/57016.html on one end (Type A cassette) >>> * https://www.fs.com/products/57037.html on the other end (Type AF >>> cassette) >>> >>> They also said that BiDI will not work due to the polarity mis-match on >>> TX/RX. >>> >>> Does this sound right? >>> >>> >>> On Fri, Apr 3, 2020 at 9:20 AM Mark Radabaugh <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 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> >>>> *To:* "AnimalFarm Microwave Users Group" <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> 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> >>>>> 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> >>>>>> 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? >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> AF mailing list >>>>>>> AF@af.afmug.com >>>>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>>> >>>>>> -- >>>>>> AF mailing list >>>>>> AF@af.afmug.com >>>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>> >>>>> -- >>>>> AF mailing list >>>>> AF@af.afmug.com >>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> >>>> -- AF mailing list AF@af.afmug.com >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> -- >>>> AF mailing list >>>> AF@af.afmug.com >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> >>>> >>>> -- >>>> AF mailing list >>>> AF@af.afmug.com >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> >>> -- >>> AF mailing list >>> AF@af.afmug.com >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> >> >> >> -- >> >> Carl Peterson >> >> *PORT NETWORKS* >> >> 401 E Pratt St, Ste 2553 >> >> Baltimore, MD 21202 >> >> (410) 637-3707 >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- Carl Peterson *PORT NETWORKS* 401 E Pratt St, Ste 2553 Baltimore, MD 21202 (410) 637-3707
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