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Unkown and confusing cable type
Moderators: C:Amie

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Forums · General Discussion · Handheld PC General Discussion

Posted 2019-03-12 9:04 PM
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H/PC Newbie

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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.

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Posted 2019-03-12 10:03 PM
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H/PC Oracle

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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.
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Posted 2019-03-12 10:07 PM
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H/PC Newbie

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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.
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Posted 2019-03-12 10:15 PM
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H/PC Oracle

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

DB9, DB25 etc = the connectors that said wires terminate into
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Posted 2019-03-12 10:57 PM
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H/PC Guru

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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.
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Posted 2019-03-13 7:33 AM
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H/PC Oracle

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