RS232 voltage level converter box

Tony Duell ard at
Wed Nov 19 13:04:55 CST 2008

> Which Radio Shack products had a TTL level serial port?

Something fairly obscrue?

I know the M1, M3, M4, M100, all the CoCos (and the deluxe RS232 pac for 
the COCO), PC2 had the proper voltage levels. I assume the M2/12/16 did too


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