On Tue, 28 Feb 2017, Jim Brain via cctalk wrote:
This year's CocoFEST is open to all TRS-80 models, not just the Coco, and I noticed that many of the models have a similar cassette port connector
yes. even the IBM PC 5150 uses the same connector and pinout, and cable (Radio Shack #26-1207)
(I think they have variations on the format),
for some meaning of "variation"
