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 >
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