On 01/23/2018 09:10 AM, Bill Gunshannon via cctalk wrote:
If you didn't locate the transceivers on those black marks you would have had terrible performance as that affects collisions. Timing (among other things like grounding) was very important with that version of ethernet hardware.
It's my understanding that the marks (black bands or other markings on the sheath) were exactly one wavelength apart. Which from what I remember ~> understand from my ham radio days is quite important.
-- Grant. . . . unix || die