RS232 cable wiring diagrams and pinout configurations for connecting computers and communication equipment.

Introduction

I hope you like this. If you have ever wanted to connect to PCs or any two pieces of communications equipment together, it's easy to get confused about what connection goes where. By the previous sentence, I'm assuming you're like me, i.e. why buy a cable when you can spend hours of fun (???) making up your own!

Wiring Diagrams

Full DTE to DTE Cable

Full DTE to DCE Cable

25-Pin DCE to DTE

25-Pin to 9-Pin Adapter

9-Pin DCE to DTE

3-Wire DTE to DTE

3-Wire DTE to DCE