Features

• Compatible with Raspberry B+, 2B, 3B,
• Supports 4 Serial interfaces
• RS-232/RS-422/485 x 4
• Built in RTC / Buzzer
• On board 12 x GPIO
• Reset button
• Dual Power input interfaces

Specifications

Compatibility

• Supported: Raspberry Pi Model B+, 2B, 3B

Serial Interface

• Port number: 4
• Port Type: RS-232 x 4 Port ( DB9, Full ), RS-422/485 x 4 Port 
• Connector: Male DB9 x 4 / 4-pin Terminal Block x 4
• Speed: 300 bps ~ 230.4 Kbps
• Parity: None, Odd, Even, Mark, Space
• Data Bit: 5, 6, 7, 8
• Stop Bit: 1, 2
• Protection: 422/485 Surge Protection Built in 15KV ESD protection for all signals

Other Interfaces

• RTC: Built in RTC
• USB: 2.5mm white 4-pin wafer x 1 (shared with B type USB port)

Power Interface

• 12V Connector: x 1
• 12V: 2.5mm red 2-pin wafer  x 1

Reset             

• x 1

Buzzer            

• x 1  

USB Interface

• Port number: 1 x B type
• Function: Storage, WiFi Dongle, Bluetooth Dongle

LED                

• PWR, SYS, Tx/Rx0, Tx/Rx1, Tx/Rx2, Tx/Rx3

Digital I/O     

• GPIO x 12 pins

Input Power

• Input: DC 12 ~ 30V, 1000mA@ 12VDC
• Port Type: DC Jack x 1 + 2-pin Terminal Block x 1

Environment

• Temperature:
  • Operating: 0°C ~ 65°C (32°F ~ 149°F)
  • Storage: -10°C ~ 70°C (-14°F ~ 158°F)
• Humidity:
  • Operating: 10% ~ 95% non-condensing
  • Storage: 5% ~ 95% non-condensing

Regulatory Approval

• FCC: Part15 Class A 
• CE: EN55022 Class A, EN55024
• RoHS: Compliance

Warranty            

• 1 Year