The 4-pin USB Mini-B connector is a pre-standard variant used on early digital cameras and devices before the 5-pin Mini-B was formally standardized. Has no ID pin.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VBUS | +5V power | PWR |
| 2 | D- | Data negative | BUS |
| 3 | D+ | Data positive | BUS |
| 4 | GND | Ground | GND |
The 4-pin USB Mini-B connector is a pre-standard variant used on early digital cameras and devices before the 5-pin Mini-B was formally standardized. Has no ID pin.