[ale] OT: Ethernet wiring

[Jim Kinney]

feet. meters. Is there really a difference?

And yes. It should be 100M or 300 feet for the long runs and 1/10 the
distance for the higher speed.

On Tue, 2016-07-19 at 14:39 -0400, Solomon Peachy wrote:
> On Tue, Jul 19, 2016 at 01:08:59PM -0400, 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.
> 
> Perhaps you meant 300 feet, not meters?  (well, 328 to be precise)
> 
> > Ethernet over twisted-pair is only spec'd for 100 meters. It's not
just 
> a matter of signal integrity (though higher quality cable certianly 
> > helps) but beyond 100 meters the propogation delay exceeds the
timing 
> allowances in the low-level link layer protocol.
> 
>  - Solomon
-- 
James P. Kinney III

Every time you stop a school, you will have to build a jail. What you
gain at one end you lose at the other. It's like feeding a dog on his
own tail. It won't fatten the dog.
- Speech 11/23/1900 Mark Twain

http://heretothereideas.blogspot.com/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.ale.org/pipermail/ale/attachments/20160719/a835d778/attachment.html>