Oops!  I forgot signal ground, which is very important!

Amiga             PC
~~~~~~            ~~~~~
FG   1

TXD  2 ----\/---- 3 TXD
RXD  3 <---/\---> 2 RXD

RTS  4 ----\/---- 7 RTS
CTS  5 <---/\---> 8 CTS

DTR 20 ----\/---- 4 DTR
DSR  6 <-+-/\-+-> 6 DSR
DCD  8 <-'    `-> 1 DCD

 SG  7 ---------- 5 SG

--- BBBS/LiI v4.01 Flag
 * Origin: Prism bbs (1:261/38)