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GeneralRe: Serial cables... serial communications Pin
Member 798912215-Feb-19 2:13
MemberMember 798912215-Feb-19 2:13 
GeneralRe: Serial cables... serial communications Pin
Peter Shaw15-Feb-19 1:19
professionalPeter Shaw15-Feb-19 1:19 
GeneralRe: Serial cables... serial communications Pin
charlieg15-Feb-19 2:08
Membercharlieg15-Feb-19 2:08 
GeneralRe: Serial cables... serial communications Pin
Greg Lovekamp15-Feb-19 3:55
professionalGreg Lovekamp15-Feb-19 3:55 
GeneralRe: Serial cables... serial communications Pin
OriginalGriff15-Feb-19 4:43
mveOriginalGriff15-Feb-19 4:43 
GeneralRe: Serial cables... serial communications Pin
Greg Lovekamp15-Feb-19 5:19
professionalGreg Lovekamp15-Feb-19 5:19 
GeneralRe: Serial cables... serial communications Pin
OriginalGriff15-Feb-19 5:22
mveOriginalGriff15-Feb-19 5:22 
GeneralRe: Serial cables... serial communications Pin
Member 1315692715-Feb-19 4:39
MemberMember 1315692715-Feb-19 4:39 
You're right. You only need 3 wires for duplex communication. Assuming you connected these wires correctly. the next question is what kind of cable are you using. Transmission lines cause reflections and energy loss. At 10 feet, your cable is long enough to be affected by it. If you're using 3 loose wires, that's a problem; try twisting the wires together. Ideally, you want 100 ohm impedance with 24 AWG wire. If you're using a pre-built cable, check the specs. It may be designed for something else. I also suggest you make sure both computers are powered from the same circuit; otherwise, you may have issues with ground loops.
GeneralRe: Serial cables... serial communications Pin
SeattleC++15-Feb-19 5:09
MemberSeattleC++15-Feb-19 5:09 
GeneralRe: Serial cables... serial communications Pin
ttennebb15-Feb-19 10:26
professionalttennebb15-Feb-19 10:26 
GeneralRe: Serial cables... serial communications Pin
charlieg17-Feb-19 11:42
Membercharlieg17-Feb-19 11:42 
JokeThought for some other day... Pin
littleGreenDude14-Feb-19 2:36
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GeneralRe: Thought for some other day... Pin
OriginalGriff14-Feb-19 2:42
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GeneralRe: Thought for some other day... Pin
Mike Hankey14-Feb-19 3:38
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GeneralRe: Thought for some other day... Pin
OriginalGriff14-Feb-19 4:01
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GeneralRe: Thought for some other day... Pin
Mike Hankey14-Feb-19 4:20
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GeneralRe: Thought for some other day... Pin
OriginalGriff14-Feb-19 4:31
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GeneralRe: Thought for some other day... Pin
Mike Hankey14-Feb-19 4:37
professionalMike Hankey14-Feb-19 4:37 
GeneralRe: Thought for some other day... Pin
OriginalGriff14-Feb-19 4:43
mveOriginalGriff14-Feb-19 4:43 
GeneralRe: Thought for some other day... Pin
Mike Hankey14-Feb-19 5:08
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GeneralRe: Thought for some other day... Pin
OriginalGriff14-Feb-19 5:14
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GeneralRe: Thought for some other day... Pin
Mike Hankey14-Feb-19 5:24
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GeneralRe: Thought for some other day... Pin
DerekT-P14-Feb-19 10:38
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GeneralRe: Thought for some other day... Pin
RickZeeland14-Feb-19 3:58
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MacSpudster14-Feb-19 4:23
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