I know about the 4 pair for gig and 2 pair for 100Mbit. I didn't know that PoE was compatible and thought it required dedicated wires, but that just shows how much I know I don't know!
On Fri, Sep 8, 2017 at 11:24 AM, Tilghman Lesher <tilgh...@meg.abyt.es> wrote: > Beg pardon, but I thought that the rule of Ethernet only using 2 pairs > (4 wires) was no longer true. Specifically, anything that does > Gigabit Ethernet uses all 4 pairs (8 wires), and PoE is still > compatible because the signal is transmitted via a differential (which > is also why it no longer matters if wire polarity is swapped). > > Is this incorrect? > > On Fri, Sep 8, 2017 at 6:34 AM, Gibson Prichard <gib...@prichard.tv> wrote: >> Basically, if you have RJ45-terminated wires going inside the house, >> ethernet only uses 4 of the 8 wires in the cable. Use the other 4 to send >> power out from inside to a router or switch which happens to be on the >> outside of your house. >> If the outside box is too small to hold a router or switch, you may need to >> replace it with a larger enclosure. Assuming you have the right to place a >> new box outside where these lines terminate that would be large enough to >> hold a switch or router, you could do that. Amazon (and others) have lots of >> weatherproof enclosures from which to choose. You could use one of the >> ethernet lines to provide power, either as a traditional barrel-plug or as a >> POE connection. A simple barrel-plug-to RJ45 adapter, like this >> https://www.amazon.com/BeElion-Passive-Injector-Splitter-Connector/dp/B01HMNJHII >> or >> https://www.amazon.com/Waterproof-Injector-Splitter-5-52-1mm-Ethernet/dp/B01MS9K6EX >> would provide you with the means to send power outside from an outlet over >> one of the ethernet cables (whether or not that particular wire was being >> used to carry data). >> >> Does this make sense? >> >> Gibson Prichard >> Nashville, TN >> gib...@prichard.tv >> >> On Thu, Sep 7, 2017 at 11:03 PM, Jack Coats <j...@coats.org> wrote: >>> >>> Looking for some input here... >>> >>> My house is pre-wired for ethernet. All the connections are >>> terminated in a box on the outside of my house. My ISP provides an >>> ethernet connection to that box, but there is little room and no >>> power. >>> What is a reasonable way to get my other ethernet connections 'lit' ? >>> There is no place where two of the ethernet connections terminate near >>> each other inside the house (so I could put my router there). >>> >>> I am open to suggestions or 'best practices'. >>> >>> -- >>> ><> ... Jack >>> >>> -- >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "NLUG" group. >>> To post to this group, send email to nlug-talk@googlegroups.com >>> To unsubscribe from this group, send email to >>> nlug-talk+unsubscr...@googlegroups.com >>> For more options, visit this group at >>> http://groups.google.com/group/nlug-talk?hl=en >>> >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "NLUG" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to nlug-talk+unsubscr...@googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. >> >> >> -- >> -- >> You received this message because you are subscribed to the Google Groups >> "NLUG" group. >> To post to this group, send email to nlug-talk@googlegroups.com >> To unsubscribe from this group, send email to >> nlug-talk+unsubscr...@googlegroups.com >> For more options, visit this group at >> http://groups.google.com/group/nlug-talk?hl=en >> >> --- >> You received this message because you are subscribed to the Google Groups >> "NLUG" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to nlug-talk+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. > > > > -- > Tilghman > > -- > -- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To post to this group, send email to nlug-talk@googlegroups.com > To unsubscribe from this group, send email to > nlug-talk+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/nlug-talk?hl=en > > --- > You received this message because you are subscribed to the Google Groups > "NLUG" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to nlug-talk+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- ><> ... Jack The Four Boxes of Liberty - "There are four boxes to be used in the defense of liberty: soap, ballot, jury and ammo. Please use in that order." "Whatever you do, work at it with all your heart"... Colossians 3:23 "Anyone who has never made a mistake, has never tried anything new." - Albert Einstein "You don't manage people; you manage things. You lead people." - Admiral Grace Hopper, USN "The most dangerous phrase in the language is "We’ve always done it this way"-- Admiral Grace Hopper, USN "Tell me and I forget. Teach me and I remember. Involve me and I learn." - Ben Franklin -- -- You received this message because you are subscribed to the Google Groups "NLUG" group. To post to this group, send email to nlug-talk@googlegroups.com To unsubscribe from this group, send email to nlug-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/nlug-talk?hl=en --- You received this message because you are subscribed to the Google Groups "NLUG" group. To unsubscribe from this group and stop receiving emails from it, send an email to nlug-talk+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
