RJ45 Serial (One Enhanced UART and One Standard UART)
The Serial Centric I/O Board provides one dual package RJ45 serial port (one Enhanced UART and one Standard UART). The RJ45 port is an unshielded 8-pin. The color of the connector is yellow.

| Pin | Signal Name |
|---|---|
| 1 | DSR |
| 2 | DCD |
| 3 | DTR/5V |
| 4 | GND |
| 5 | RX |
| 6 | TX |
| 7 | CTS |
| 8 | RTS/12V |