| First Calculator Pin Name | First Calculator Pin Number | Direction | Second Calculator Pin Number | Second Calculator Pin Name | Description |
| Data | 1 | --- | 1 | Data | |
| Data | 2 | --- | 2 | Data | |
| Ground | 3 | --- | 3 | Ground |
This is the cable that comes with all TI 83+ and TI 84+ calculators. It uses two 2.5mm connectors and is used to transfer data between two calculators
