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// USB Physical Connectors

USB 1.1 Type-B

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.

// Specifications
Standard
USB 1.1
Pin Count
4
Speed
12 Mbps Full Speed
Shape
Square with beveled top corners
Use Case
Legacy printers, scanners
Status
Legacy, largely replaced by USB 2.0 Type-B
// Pin Reference Table
Pin Name Function Type
1 VBUS +5V power PWR
2 D- Data negative BUS
3 D+ Data positive BUS
4 GND Ground GND