Black Box IC187C, IC133C-R2 manual Baud Rates and Divisors for the Div2 mode

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2-PORT RS-232/422/485 PCI HOST ADAPTER

3.7 Baud Rates and Divisors for the “Div2” mode

The following table shows some common data rates and the rates you should choose to match them if you’re using the adapter in the “Div2” mode.

Table 3-4. Baud Rates for the “Div 2” Mode

For this Data Rate	Choose this Baud Rate

1200 bps	600 bps

2400 bps	1200 bps

4800 bps	2400 bps

9600 bps	4800 bps

19.2 kbps	9600 bps

38.4 kbps	19.2 kbps

57.6 kbps	28.8 kbps

115.2 kbps	57.6 kbps

230.4 kbps	115.2 kbps

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Contents

Port RS-232/422/485 PCI Host Adapter FCC and IC Statements Port RS-232/422/485 PCI Host Adapter NOM Statement Trademarks Table of Contents Contents Number of Ports 2 RS-232/422/485 Connectors 2 DB9 male SpecificationsOverview IntroductionWhat’s Included Introduction Factory Default SettingsRS-485 Enable Modes Card SetupCard Setup Line Termination Address and IRQ selectionName Function Electrical Interface Selection RS-232 and RS-422/485Clock Modes DIV1 DIV2 DIV410. Clocking mode divide by Baud Rates and Divisors for the Div1 ModeFor this Data Rate Choose this Divisor Baud Rates and Divisors for the Div2 mode Divisors for the Div 2 Mode Setting Up the Operating System InstallationInstallation Installing the HardwareSerial Utility Diskette TroubleshootingShipping and Packaging Calling Black BoxPurpose and Early History of Interrupts Appendix a Interrupt HandlingWhy Use an Interrupt Status Port ISP? RS-232 Appendix B Connector PinoutsRS-422/485 RS-422 Appendix C Electrical InterfacesRS-485 Appendix D Asynchronous Communication Figure D-1. Bit diagram for asynchronous communicationAppendix D Asynchronous Communication J2C Appendix E Board LayoutPage Page Copyright 2000. Black Box Corporation. All rights reserved

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