[ale] OT: Ethernet wiring

[DJ-Pfulio]

Ah I feel corrected - with facts. Perfect.
Last time I looked (was that 10yrs?), CAT6 was dead end technology:
  http://www.diffen.com/difference/Cat6_vs_Cat6a

Appears 10G is still out of my price range ($400-ish for everything
including NICs). ;(

On 07/19/2016 01:08 PM, Jim Kinney wrote:
> Cat6 will do 10G for short runs under 10 meters. The Cat6e is 10G for
> the full run of 300 meters.
> 
> Cat5e will do 1G for 300 meters.
> 
> Cat5 is 100M for 300m and 1G for 10m.
> 
> Cat3 is thermostat wire.
> 
> Cat7 is damned expensive and so are all components it connects with. It
> will do 100G. Not sure if it's 10m or 300m range.
> 
> 
> On Jul 19, 2016 12:33 PM, "DJ-Pfulio" <DJPfulio at jdpfu.com
> <mailto:DJPfulio at jdpfu.com>> wrote:
> 
>     CAT6 is nice when you need extra shielding, but won't ever do more than
>     1Gbps.  CAT5e has double the requirement to provide 1Gbps.  I bought a
>     bunch of CAT6, thinking it would support 10G ethernet over copper. That
>     never happened and doesn't look likely today.
> 
>     So ... if you don't have a reason to have more shielding or thicker
>     cables, CAT5e (not just CAT5) is absolutely fine. Save the money.
> 
>     Can anyone correct me?
> 
>     On 07/19/2016 12:02 PM, Jim Kinney wrote:
>     > Phone wires are NOT CAT5. They are CAT3 at best. Most are not CAT
>     rated
>     > at all.  So yes, you can put ethernet signals on them but the
>     speed will
>     > be crap AND phone lines are not star topology with a hub/switch. They
>     > are all common connector. You might get 1-2 Mbps on phone wires.
>     >
>     > Get "Plenum Rate Wire" and run real CAT6 through the duckwork and
>     > terminate in a socket next to each duck and pull the bundle out of the
>     > duct before the furnace (try and use only air return duct). Be sure to
>     > seal the holes in the duct with plenum putty that is fire rated
>     > (electrical fire putty is fine).
>     >
>     > Yes, CAT5 has 4 pairs and only 2 are used for 100Mbps. The remaining 2
>     > pairs are used in 1Gbps and PoE for GHz ground plane and power.
>     >
>     > On Tue, 2016-07-19 at 11:36 -0400, Boris Borisov wrote:
>     >>
>     >> Can I use one cat 5 cable to run two links. Since 4 wires are
>     essential.
>     >>
>     >> Idea to use existing phone wiring in the house.
>     >>
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>     > James P. Kinney III
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