Pertec Interface Cable Length

Jon Elson elson at
Sun Aug 11 18:01:47 CDT 2019

On 08/11/2019 11:11 AM, W2HX via cctech wrote:
> I seem to remember they were ribbon cables
> with each odd/even pair twisted which probably meant one
> active and one ground twisted together.
> Or differential pairs.
No, both Pertec unformatted and Pertec formatted interfaces 
were TTL single-ended.


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