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B&B Electronics UNO-2170 user manual RS-232 Standard Serial Port COM1~COM2

Models: UNO-2170

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A.3 RS-232 Standard Serial Port (COM1~COM2)

Table A.4: RS-232 standard serial port pin assignments

Pin	RS-232 Signal Name

1DCD

2RxD

3TxD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

UNO-2170 User Manual

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B&B Electronics UNO-2170 user manual RS-232 Standard Serial Port COM1~COM2

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-2170RS-232/422/485 Interface COM3~COM4 1 16C550 UARTs with 16-byte standard2 RS-422/485 detection 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 1D0HLAN Ethernet Connector Power ConnectorPS/2 Keyboard and Mouse 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