This adapter will enable you to use a mouse with a 9 pin D-SUB (Serial) connector to a computer with a 6 pin Mini-DIN (PS/2) connector.
This requires that the mouse handles both protocols. A mouse like this is sometimes referred to as a combo-mouse.
9 PIN D-SUB MALE to the mouse
6 PIN MINI-DIN MALE to the computer
| Mini-DIN | D-SUB |
|---|---|
| +5V | 4 |
| Data | 1 |
| Gnd | 3 |
| Clock | 5 |