On 6/7/2011 9:20 PM, David Christ wrote:
For ordinary RS-232 Tx would be on one pair and Rx on
another. the second wire in each pair would be connected to signal
ground. Yes, that meant that there were multiple wires running
signal ground.
Because RS232 is unbalanced and not impedance
If you are near a Fry's Electronics, they sell 25 feet of Cat 6, Shielded
Twisted Pair (STP), 26 AWG stranded cable for $9.99.
73 N5BCN - Brian
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K2 #6800 KPA100/KAT100-2, KSB2, KAT2, KIO2, K160RX, KNB2, KAF2, LP-PAN/K2 w/
Pre-amp, SignaLink USB
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Thanks to Don and Jim for their input on building a RFI resistant control
cable.
I've been informed by another poster that it's recommended to use stranded
CAT5 or 6 verses solid wire. The poster believes stranded wire would be
more resistant to flexing, plugging, unplugging, etc. than solid
When I was doing that kind of work the premises wiring was done with
solid but all the jumpers and anything that was plugged and unplugged
regularly was stranded. The solid was more prone to breaking at the
plug than the stranded was.
Our practice was to have the return of a circuit paired
Brian,
Treat the drain wire the same as the shield. It is just an extension of
the shield.
73,
Don W3FPR
On 6/7/2011 11:31 PM, Brian - N5BCN wrote:
Thanks to Don and Jim for their input on building a RFI resistant control
cable.
I've been informed by another poster that it's recommended
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