The Null Modem cable allows you to connect two DTE devices together without the use of a DCE device in between. The RS-232 Null cable is an easy way to transfer data from one computer to another computer directly through a serial port. Simple Null modem cable is also known as a crossover cable. We have a wide selection of DB9 or DB25 Null Modem serial cable available, also quantity discount pricing is available! If you need any assistance on Null Modem or need a larger quantity than what our stock level is showing, please contact one of our sales representatives at 800.273.9556
| DB9 to DB9 Null Modem Pinouts |
| 1 & 6 |
4 |
| 2 |
3 |
| 3 |
2 |
| 4 |
1 & 6 |
| 5 |
5 |
| 7 |
8 |
| 8 |
7 |
|
|
| DB9 to DB25 Null Modem Pinouts |
| 2 |
2 |
| 3 |
3 |
| 4 & 5 |
1 |
| 6 |
4 |
| 7 |
5 |
| 8 |
7 & 8 |
| 20 |
6 |
| 22 |
9 |
|