home *** CD-ROM | disk | FTP | other *** search
- 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