On Mon, May 27, 2024 at 17:47 Stefan Monnier
wrote:
> > Has anyone had experience using a KVM setup (at least one HDMI and two
> USB
> > ports) and using cat 5/6/7 between user and the computer? I don’t need
> to
> > handle multiple computers or high-def video
> Has anyone had experience using a KVM setup (at least one HDMI and two USB
> ports) and using cat 5/6/7 between user and the computer? I don’t need to
> handle multiple computers or high-def video movies, just programming and
> office work. I need a bit more distance from my compute
Has anyone had experience using a KVM setup (at least one HDMI and two USB
ports) and using cat 5/6/7 between user and the computer? I don’t need to
handle multiple computers or high-def video movies, just programming and
office work. I need a bit more distance from my computer which must stay
The problem with trying to determine the quality of the cable based
on error measurements is that many if not most of the errors are due
to factors (e.g. external induced noise) that do not depend on the
cable quality. IMO cable quality is best measured with instruments
designed for that
There are cable testing equipment available, for measuring parameters
such as attenuation, crosstalk and others. Can two Debian (or
Debian-derived distros) be used to test cables in lieu or expensive
testing equipment? I have several cat5 cables that have been twisted,
bent, stepped on, dragged,
In 880dece00904220507j38722eccq5b39b1d57b000...@mail.gmail.com, Dotan
Cohen wrote:
There are cable testing equipment available, for measuring parameters
such as attenuation, crosstalk and others. Can two Debian (or
Debian-derived distros) be used to test cables in lieu or expensive
testing
Not normally. Your standard NIC does not have sensors for measuring such
things and doesn't expose that information to the OS.
That's what I figured. But I figured if the NIC could give raw access
to the line then maybe something could be done in software.
You might be able to estimate the
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Dotan Cohen wrote:
Not normally. Your standard NIC does not have sensors for measuring such
things and doesn't expose that information to the OS.
That's what I figured. But I figured if the NIC could give raw access
to the line then maybe
You might be able to estimate the quality of a network cable by transferring
random data across it from one Debian host to another and measuring the
speed. (Or, probably better, the ratio of (packets dropped because of
checksum failure) / (total packets sent)).
I could probably script that.
Original Message
From: b...@iguanasuicide.net
To: debian-user@lists.debian.org
Subject: Re: Testing cat-5 cables with Debian as opposed to cable
tester?
Date: Wed, 22 Apr 2009 10:42:38 -0500
In 880dece00904220507j38722eccq5b39b1d57b000...@mail.gmail.com,
Dotan
Cohen wrote
should CAT 5 cable testers be considered a necessity when installing
fast ethernet cables?
thx,
m*
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should CAT 5 cable testers be considered a necessity when installing
fast ethernet cables?
???!!!
That's like asking should I make sure the guy who cuts my hair passed the
course? i.e. does it really matter? Guess it depends on the haircut
you want ;-)
My opinion, though... Try
If the cable is CAT5 certified, you don't need a cable testers
installing a fast ethernet cables, though it won't harm if you have a
tester handy.
m* wrote:
should CAT 5 cable testers be considered a necessity when installing
fast ethernet cables?
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The most common mistake is that pairs are reversed when punched down on
the connector. If you can get past that, you can probably find bad cable
using your computer
Isn't it funny how so few of these cables are shielded?
Shielded cables, grounded only at one end (to prevent ground loops),
would
my home
and office that way to keep the interference from the network out of
my ham radio. It works the other way, too.
Actually, that is probably why they are called UTP - Unshielded Twisted
Pair. The tight twisting of the two pairs in CAT 5 cabling is what keeps
the noise out
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