C64.2 Subject: RS232C Adaptor C/64-C128 I have been getting mail regarding the RS 232 adaptor, in that the message has gotten scrambled. So, here it is again... ****************************************************************************** Here's a simple interface to connect a C64/128 to any of the multimode boxes on the market. This circuit has been used between a C64 and an AEA PK-232, and an MFJ-1270 TNC. Running the Common Sense terminal program........... C64/128 RS232 Adaptor RS232C ==================================================== A&N --------------- Ground --------------- 1&7 B&C ------------- 2-7404-1 --------------- 3 RXD M ------------- 3-7404-4 --------------- 2 TXD H -------------------------------------- 8 DCD E -------------------------------------- 20 DTR K -------------------------------------- 5 CTS L -------------------------------------- 6 DSR 7404 is a Hex Inverter IC. Only two sections are used. Pin 7 is ground. Pin 14 is Vcc. This is obtained from the C64/128 RS232C port pin #2..... Enjoy.............. 73, Kraig WB2PLW @ VE3SNP