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Computer, programming, and webmaster help , support , tips and tricks => Internet webmaster computer programming technology tips and tricks => Topic started by: charleychacko on October 15, 2006, 11:31:38 AM

Title: How to create a Null Modem Cable
Post by: charleychacko on October 15, 2006, 11:31:38 AM
If you want to use Windows 95's Direct Cable Connection, or need to create a "Null Modem Cable" for some reason, here are the pin connections for 9-pin and 25-in serial ports.


9 Pin

Port #1 Port #2
2          3
3          2
4         6,1
5          5
6,1       4
7          8
8          7

25 Pin

Port #1 Port #2
   2         3
   3         2
   4         5 
   5         4
   6,8      20
   7         7
   20      6,8