[ale] OT: Ethernet wiring

[Derek Atkins]

Jim,

When you said Cat6e, did you mean Cat6a?
According to http://www.milestek.com/t-10g.aspx Cat6a supports 10G up to
100m.

-derek

On Tue, July 19, 2016 1:08 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> 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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-- 
       Derek Atkins                 617-623-3745
       derek at ihtfp.com             www.ihtfp.com
       Computer and Internet Security Consultant