Kevin, Thanks for pointing out my typo. I meant 4 pairs.
73
--
Dave Robertson KD1NA
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Post:
Folks - due to the large number of posts on this topic, let's end the thread at
this time to give our other readers a rest.
73,
Eric
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On 5/9/2016 3:10 PM, Lynn W. Taylor, WB6UUT wrote:
On 5/9/2016 10:03 AM, Jim Brown wrote:
At audio levels, the shielding from
On 5/9/2016 10:03 AM, Jim Brown wrote:
At audio levels, the shielding from twisting the wires might be helpful.
It is VERY helpful.
When I said *might* I was being slightly sarcastic.
If a cable has an RJ-45 on each end, there is always a chance in a
modern home that the cable is going to
On Mon,5/9/2016 1:21 PM, dave wrote:
> You're missing the fact that although these conductors INTENTIONALLY
> carry DC and low rate signals, they also can PICK UP RF and AF noise.
> Twisted pair, when used to carry a signal, is at least as powerful at
> rejecting RF and AF noise pickup as coax,
> You're missing the fact that although these conductors INTENTIONALLY
> carry DC and low rate signals, they also can PICK UP RF and AF noise.
> Twisted pair, when used to carry a signal, is at least as powerful at
> rejecting RF and AF noise pickup as coax, but ONLY if the pair is
> dedicated
On Mon,5/9/2016 9:41 AM, Lynn W. Taylor, WB6UUT wrote:
If we're talking DC levels, sure, no problem. Low rate signalling
just won't matter.
You're missing the fact that although these conductors INTENTIONALLY
carry DC and low rate signals, they also can PICK UP RF and AF noise.
Twisted
Uh, maybe not.
If we're talking DC levels, sure, no problem. Low rate signalling just
won't matter.
At audio levels, the shielding from twisting the wires might be helpful.
If we're actually using them for Ethernet, then the twisted pairs aren't
wires, they're transmission lines. 100
Close. There are 4 pair.
On Monday, May 9, 2016 11:42 AM, David Robertson wrote:
David Robertson
9:55 AM (1 hour ago)
to kenin.stover, Elecraft
Kevin,
Thanks for the information on the RJ45 standards. what confuses me is there
are 6 pair of
David Robertson
9:55 AM (1 hour ago)
to kenin.stover, Elecraft
Kevin,
Thanks for the information on the RJ45 standards. what confuses me is there
are 6 pair of wires in a CAT 5 cable. In the standards you list, the only
difference is the placement of the Orange/Orange-White
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