I'd be very impressed there's a lot of cable in these small things but I suppose that is possible and it automatically reduces the length.
On Mon, Aug 26, 2024 at 5:41 PM <[email protected]> wrote: > Maybe the cheap China one has one built in. > > > > *From:* Josh Luthman > *Sent:* Monday, August 26, 2024 3:19 PM > *To:* AnimalFarm Microwave Users Group > *Subject:* Re: [AFMUG] fiber patch cables > > People say you need a launch cable but our cheap china OTDRs have no > issues seeing the connector at the end of the patch cable and stuff > beyond. I bought a big launch cable back in the day and never use it > anymore. > > Might be different with AE? > > On Mon, Aug 26, 2024 at 5:16 PM <[email protected]> wrote: > >> Only minimum length I know of is the OTDR dead zone. If that is a >> problem you purposely lengthen the cable with a launch cable. >> >> *From:* Josh Luthman >> *Sent:* Monday, August 26, 2024 1:59 PM >> *To:* AnimalFarm Microwave Users Group >> *Subject:* Re: [AFMUG] fiber patch cables >> >> Reddit is wrong. Gasp. >> >> Connectors are loss, there is more loss in either one of the connectors >> than there is the single mode glass. >> >> Between a switch/router in a rack what I see all the time is long (like >> 5/10/15 feet) cables and then put the slack in a loop along the posts. >> >> On Mon, Aug 26, 2024 at 1:19 PM TJ Trout <[email protected]> wrote: >> >>> Patchbox makes some great products, their fiber system is pretty slick >>> but expensive. >>> >>> Cable length is irrelevant it's optical budget / Rx signal strength. >>> Normally on 2-20k LR optics you are ok with any length cable, 40km+ needs a >>> pad on short spans. (Attenuator) >>> >>> On Mon, Aug 26, 2024, 8:29 AM Ken Hohhof <[email protected]> wrote: >>> >>>> Is there a minimum length for a single mode fiber patch cable? >>>> >>>> >>>> >>>> I have been using 1 meter cables and they are almost always too long, >>>> I’m talking about going between routers and switches in a rack, stuff like >>>> that. I see that FS sells 0.5 meter cables, but I saw somewhere like maybe >>>> on Reddit someone claiming there was a minimum length. Given SM fiber and >>>> LR optics, I don’t see how 0.5 or 1.0 meter would be different they are >>>> both essentially zero length. >>>> >>>> >>>> >>>> Probably there’s some kind of cable tray or cable management solution I >>>> could be using but I’ve never liked such things. >>>> -- >>>> AF mailing list >>>> [email protected] >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> >>> -- >>> AF mailing list >>> [email protected] >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> >> ------------------------------ >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > ------------------------------ > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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