well regarding cts pin i mention my actual conexion from vdip to pc:
VDIP2 ADM202 DB9 FROM PC
PIN 14 PIN 11 TXD
PIN 16 PIN 12 RXD
PIN 17 PIN 10 RTS
PIN 18 PIN 9 CTS
PIN 13 PIN 3
PIN 14 PIN 2
PIN 7 PIN 8
PIN 8 PIN 7
And I mention before I am Using a RS232 comm tool software for test all commands i need from vdip and everythink works well...even for one byte of data file work ok. today i start playing with vdip module pic and lcd, so far is ok and when encounter a big problem I let you know for your invaluable help
I wish you have nice day.