If it's DB25 to 4-pin DIN ISTR it was a printer cable - or maybe modem? Neil On Thu, Aug 27, 2009 at 1:20 AM, <shadow at shadowgard.com> wrote: > > > Digging thru boxes of old stuff I came across an odd CoCo serial > cable. I'm wondering if anybody knows what it was for. Here's the > pinout: