User Manual
Chapter 3. Hardware Description
◆ RS422 Full Duplex
Pin Signal Description
2 RXD+ Receive differential data positive (Input)
3 TXD+ Transmit differential data positive (Output)
6 RXD- Receive differential data negative (input)
7 TXD- Transmit differential data negative (Output)
◆ LED
Pin Signal Description
1 READY Indicates the processor status
2 DATA LED ON when serial data is transmitted
◆ RJ-45 Port
Pin Signal Description
1 TXD+ Physical transmit or receive signal (+ differential)
2 TXD- Physical transmit or receive signal (- differential)
3 RXD+ Physical receive or transmit signal (+ differential)
6 RXD- Physical receive or transmit signal (- differential)
LED Description
Left Green
(LAN_Speed)
LAN connection speed
Speed Pin State
LED Definition
10Base-T H OFF
100Base-TX L ON
3-12