Re: PROGRESS!! - was {Re: Wireless home LAN - WiFi vs Bluetooth?}

[rhkramer@gmail.com]

On Sunday, August 04, 2019 11:16:09 AM Richard Hector wrote:
> On 5/08/19 12:07 AM, tomas@tuxteam.de wrote:
> > On Sun, Aug 04, 2019 at 12:58:14PM +0100, mick crane wrote:
> >> what sort of cable ?
> >> If ethernet, machine to machine directly seem to recall you might
> >> want a cross over cable.
> >> Can chop cable in two and connect the
> >> red to green,
> >> green to red,
> >> red stripy to green stripy
> >> green stripy to red stripy
> >> ....I think.
> > 
> > Ethernet crossover is pretty much defunct [1].
> > 
> > These days (> 1998) most Ethernet hardware can sort this out
> > automatically (called Auto MDI-X [2]). So unless you are using
> > historical hardware, this is a non-issue. Still, for people
> > in contact with old hardware, it is a good skill to have :-)
> > 
> > Cheers
> > 
> > [1]
> > https://en.wikipedia.org/wiki/Ethernet_crossover_cable#Automatic_crossov
> > er [2]
> > https://en.wikipedia.org/wiki/Medium_Dependent_Interface#Auto_MDI-X
> 
> And if you are making a crossover, I wouldn't rely on the colours -
> there's multiple correct options for those. And none of the colours is
> red :-)
> 
> And as for cutting and joining - you're going to get a pretty awful
> cable that way, and unreliable at speed. Better to cut one plug off and
> put a new one on, but that requires a plug and crimper.
> 
> But as Tomas says, if either end is remotely recent, it's a non-issue.

I'm pretty sure I know what you're saying, but it would be a little more clear 
(to me) if you said: if *the electronics* at either end is remotely recent, 
it's a non-issue.