I just drew it out and checked my last order - all type A. On Mon, Apr 6, 2020 at 8:31 AM Carl Peterson <cpeter...@portnetworks.com> wrote:
> 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 > -- Carl Peterson *PORT NETWORKS* 401 E Pratt St, Ste 2553 Baltimore, MD 21202 (410) 637-3707
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