User manual
Table Of Contents
- Chapter 1 Overview
- Chapter 2 Hardware Functionality
- 2.1 Introduction
- 2.2 RS-232/422/485 Interface (COM1~COM2)
- 2.3 Optional RS-232 Interfaces (COM3~COM4)
- 2.4 LAN: Ethernet Connector
- 2.5 Power Inputs
- 2.6 USB Connector
- 2.7 DVI-I Display Connector
- 2.8 Reset Button
- 2.9 Power Button
- 2.10 Audio
- Chapter 3 Initial Setup
- Appendix A System Settings and Pin Assignments
- A.1 System I/O Address and Interrupt Assignments
- A.2 Board Connectors and Jumpers
- A.3 RS-232 Standard Serial Port (COM3~COM4)
- A.4 RS-232/422/485 Serial Port (COM1~COM2)
- A.5 Ethernet RJ-45 Connector (LAN1~LAN2)
- A.7 PS/2 Keyboard and Mouse Connector
- A.8 USB Connector (USB1~USB4 & CN7)
- A.9 VGA Display Connector
- Appendix B Programming the Watchdog Timer

UNO-3072LA User Manual 40
A.4 RS-232/422/485 Serial Port (COM1~COM2)
A.5 Ethernet RJ-45 Connector (LAN1~LAN2)
Table A.6:
RS-232/422/485 Serial Port
Pin
Assigns
Pin RS-232 RS-422 RS-485
1 DCD Tx- DATA-
2RxDTx+DATA+
3 TxD Rx+ NC
4DTRRx-NC
5GNDGNDGND
6 DSR NC NC
7 RTS NC NC
8 CTS NC NC
9RINCNC
Table A.7: Ethernet RJ-45 Connector Pin Assigns
Pin 10/100Base-T Signal Name
1XMT+
2XMT-
3 RCV+
4NC
5NC
6 RCV-
7NC
8NC










