Advantech UNO 2173A/AF user manual RS-422/485 Serial Port UNO-2173AF, Power Connector PWR

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A.4 RS-422/485 Serial Port (UNO-2173AF)

Table A.5: RS-422/485 serial port pin assignments

Pin	RS-422	RS-485

1	TX+	Data+

2	TX-	Data-

3RX+

4RX-

5GND

A.5 Power Connector (PWR)

Table A.6: Power connector pin assignments

Pin

1V+ (9~36VDC)

2V-

3Field Ground

UNO-2173A/AF User Manual

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Contents UNO-2173A/AF Intel Atom Fanless Box PC with 1 x LAN, 2 x COM, Mini-PCIeCopyright AcknowledgementsSupport Product Warranty Safety Precaution Static Electricity Declaration of ConformityFCC Class a Technical Support and Assistance Safety Instructions Page Contents Appendix a System Settings and Pin Assignments Overview Introduction Hardware Specifications Reserved Functions Battery Backup SRAM* 1MB Printer Port Interface Serial PortsSerial Port Speed USB PortsSafety Precautions Chassis Dimensions UNO-2173A Chassis DimensionsUNO-2173AF Chassis Dimensions Accessories Hardware Functionality RS-232 Interface COM1~COM2 Front panel of UNO-2173A/AFRS-422/485 Interface UNO-2173AF 1 RS-422/485 SelectionAutomatic Data Flow Control Function for RS-485 LAN Ethernet Connector Power ConnectorPS/2 Keyboard and Mouse Connector Termination Resistor SW3USB Connector VGA Display ConnectorBattery Backup Sram Reserved Power Button / Power Management Lithium Battery SpecificationOutput voltage 3 VDC Reset Button HD Audio UNO-2173AFPCI Express Mini Card Socket Lvds UNO-2173AFPage Initial Setup Inserting a CompactFlash Card Chassis GroundingConnecting Power Installing a Hard DiskInstalling a Wireless LAN Card and Antenna Wireless Module PCI Express mini cardRear Panel for Antenna Antenna Bios Setup System Settings and Pin Assignments Appendix a System Settings and Pin Assignments System I/O Address and Interrupt Assignment Table A.2 UNO-2173A/AF Interrupt Assignment Board Connectors and Jumpers Label FunctionRS-232 Standard Serial Port COM1~COM2 Power Connector PWR RS-422/485 Serial Port UNO-2173AFTable A.7 Keyboard and Mouse connector pin assignments Table A.9 VGA adaptor cable pin assignment Lvds and Lvdspwr UNO-2173AF LvdsLvds Power Setting CN17 Lvdspwr Backlight ControlClear Cmos CN3