User Manual

Chapter 3. Hardware Description
◆ RJ-45 Ethernet
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
Right Yellow
(LAN_LINK)
LAN connection status
Link/Activity Pin State
LED Definition
No Link H OFF
Link L ON
Activity Toggle Blinking
3.2.3 Serial Interface Setup
Eddy supports RS232 only or RS422/485 combo by hardware. In combo modules, RS422/485 interface
can be configured by software.
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