AED defibrillation pad connectors carry high-voltage shock energy and low-level ECG sensing signals through the same connector, with universal or proprietary connectors between the AED device and adhesive electrode pads.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | HV+ | High voltage defibrillation positive | PWR |
| 2 | HV- | High voltage defibrillation negative | PWR |
| 3 | ECG+ | ECG monitoring positive | ADC |
| 4 | ECG- | ECG monitoring negative | ADC |
| 5 | ID | Pad identification chip | I/O |