User manual
Table Of Contents
- Chapter 1 UNO-1140/F/FH Overview
- Chapter 2 Hardware Functionality
- 2.1 UNO-1140/F/FH Peripherals
- 2.2 COM1~COM4: RS-232/485 Interfaces
- 2.3 COM5~COM8: RS-485 Interfaces (UNO-1140F/FH)
- 2.4 LAN: Ethernet Connector
- 2.5 Power Connector
- 2.6 LED Indicators
- 2.7 PS/2 Keyboard and Mouse Connector
- 2.8 Universal Serial Bus Connectors
- 2.9 VGA: VGA Display Connector
- 2.10 RESET: Reset Button
- Chapter 3 Initial Setup
- Appendix A Pin Assignments
- Appendix B USB Holder Installation
UNO-1140/F/FH User Manual 10
2.2.2 RS-232/485 Selection
COM1 ~ COM4 support 9-wire RS-232 and RS-485 interfaces, and you
can set corresponding jumpers to select serial ports as RS-232 or RS-485
interfaces shown in Table 2.2. Please note to reset the system to adapt this
configuration change.
Jumper Setting for RS-232 Interface: (Default Setting)
Figure 2.4: RS-232 Jumper Settings
Jumper Setting for RS-485 Interfaces:
Figure 2.5: RS-485 Jumper Settings
Table 2.1: Selecting RS-232/485 (COM1~COM4)
Serial Port Corresponding Jumper to Select RS-232/485
COM1 JSETCOM1
COM2 JSETCOM2
COM3 JSETCOM3
COM4 JSETCOM4