Unkown and confusing cable type

I own a Casio Cassiopeia A20, and i have looked all over the internet to find out what the cable type is for it, it says RS-232C, but they look nothing alike. does anyone Know what I mean or where i could find one?
Thanks, I've been looking for a long time.

RS-232 is a physical layer (to simplify it, the wiring standard), not the connector standard. You can wire RS-232 to any connector with the requisite number of pins.

Put a REQ in hpcBay, you never know.

i dont understand but ill look it up for info and Maybe the hpcbay thing you said.
thanks. I'm a Newbie at this kind of stuff.

RS-232 = cable quality, signal frequency, paths, signal modulation, clock frequency, voltages, timing etc

DB9, DB25 etc = the connectors that said wires terminate into

The Casio A20 uses a proprietory cable, but the port signals are standard RS232. Seems to me, if I recall correctly, the NEC Mobilepro 770, 780, 790 serial cable also fit those old Cassiopeias. Not 100% sure though…been too many years.

That's correct, Rich. Been there, done that.