B&B Electronics user manual RS-232 Interface COM1~COM2, Front panel of UNO-2170

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Chapter 2 Hardware Functionality

2.1 Introduction

The following two figures show the connectors on UNO-2170. The following sections give you detailed information about function of each peripheral.

Figure 2.1: Front panel of UNO-2170

Figure 2.2: Rear panel of UNO-2170

2.2 RS-232 Interface (COM1~COM2)

The UNO-2170 offers two standard RS-232 serial communication inter- face 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-2170 User Manual

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Contents UNO-2170 Support Product Warranty Page Contents Appendix Appendix Programming the Watchdog TimerSystem Settings and Pin Assignments Overview Introduction Hardware Specifications Relative humidity 95% @ 40C Weight 1.6 kgSafety Precautions Always ground yourself to remove any static electricChassis Dimensions Chassis DimensionsPage Hardware Functionality RS-232 Interface COM1~COM2 Front panel of UNO-21702 RS-422/485 detection RS-232/422/485 Interface COM3~COM41 16C550 UARTs with 16-byte standard Automatic Data Flow Control Function for RS-485RS-422/485 jumper setting 5 RS-232/422/485 SelectionPage IRQ and Address Setting Vector address for share IRQ 1D0HPS/2 Keyboard and Mouse Connector LAN Ethernet ConnectorPower Connector USB ConnectorVGA Display Connector Pcmcia PC Card SlotLithium Battery Specification Battery Backup SramReset Button Page Initial Setup Inserting a CompactFlash Card Chassis GroundingBios Setup and System Assignments Connecting PowerInstalling a Hard Disk Page System Settings Pin Assignments Appendix a System Settings and Pin Assignments 1SystemI/OAddressandInterruptAssignmentTable A.2 UNO-2170 Interrupt Assignment Board Connectors and Jumpers Figure A.2 UNO-2170 connector and jumper locations back-sideTable A.3 UNO-2170 Connectors and Jumpers RS-232 Standard Serial Port COM1~COM2 Ethernet RJ-45 Connector LAN1~LAN2 RS-232/422/485 Serial Port COM3~COM4Phoenix Power Connector PWR USB Connector USB1~USB2 Page Programming Watchdog Timer Appendix B Programming the Watchdog Timer AppendixB