22
Interfaces
9-contact interface port USB Typ B
Pin Assignment Pin Name Description
Pin 2: (RXD) Receive Data 1 VCC +5 V
Pin 3: (TXD) Transmit Data 2 D– Data –
Pin 4: (DTR) Data Terminal Ready 3 D+ Data +
Pin 5: (GND) Ground 4 GND Ground
Pin 6: BPI bridge
Pin 8: (CTS) Clear to Send