Advantech UNO 2173A/AF user manual RS-232 Interface COM1~COM2, Front panel of UNO-2173A/AF

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Chapter 2 Hardware Functionality

2.1 Introduction

The following two figures show the connectors on UNO-2173A/AF. The following sections give you detailed information about function of each peripheral.

Figure 2.1: Front panel of UNO-2173A/AF

Figure 2.2: Rear panel of UNO-2173AF

2.2 RS-232 Interface (COM1~COM2)

The UNO-2173A/AF offers two standard RS-232 serial communication interface ports: COM1 and COM2. Please refer to A.3 for their pin assignments.

IRQ and Address Setting

The IRQ and I/O address range of COM1 and COM2 are listed below: COM1: 3F8H, IRQ4

COM2: 2F8H, IRQ3

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 Serial Port Speed Reserved Functions Battery Backup SRAM* 1MB Printer PortInterface Serial Ports 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 PS/2 Keyboard and Mouse Connector LAN Ethernet ConnectorPower Connector Termination Resistor SW3USB Connector VGA Display ConnectorBattery Backup Sram Reserved Power Button / Power Management Lithium Battery SpecificationOutput voltage 3 VDC PCI Express Mini Card Socket Reset ButtonHD Audio UNO-2173AF 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 AssignmentTable 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