USB 1.1 Type-B is the original square device-side connector with beveled top corners. Used on printers and scanners before USB 2.0 and 3.0 Type-B variants were introduced.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VBUS | +5V power | PWR |
| 2 | D- | Data negative | BUS |
| 3 | D+ | Data positive | BUS |
| 4 | GND | Ground | GND |