On the Smith-Corona TP1 interface circuit board, set the jumpers to match these specifications:
- 9600 Baud
- 8 Data Bits
- No Parity
- 1 Stop Bit
On the Apple IIc, set the "PIN" configuration using the Apple IIc utilities program, to the same specifications that are listed above.
Cable Pinout
Apple IIc TP1
2 -------------- 3
3 -------------- 7
5 -------------- 20
4 -------------- 2