Black Box ICI42C - Manual

7 CHAPTER 2: Introduction 2. Introduction 2.1 Overview The 8-Port Serial Host Adapter PCI provides the PC with eight RS-232asynchronous ports. The Adapter allows for connection to any device using theRS-232 electrical interface, such as modems, data-entry terminals, and plotters. 2.2 What’s Included...

9 CHAPTER 3: Card Setup 3.2 Baud Rates and Divisors for the “Div1” mode The following table shows some common data rates and the rates you shouldchoose to match them if using the adapter in the “Div1” mode. Table 3-1. Baud Rates for the “Div1” Mode. For this Data Rate Choose this Data Rate 1200 bps ...

11 CHAPTER 4: Installation 4. Installation IMPORTANT You MUST set up the operating system BEFORE you physically installthe Card. 4.1 Setting Up the Operating System If you are installing the PCI adapter in DOS, OS/2 ® , or QNX, please refer to the appropriate directory on one of the Serial Utilities...

13 CHAPTER 5: Technical Description 5. Technical Description 5.1 Interrupts A good analogy of a PC interrupt is a telephone ringing. The phone bell is arequest for us to stop what we are currently doing and take up another task (speakto the person on the other end of the line). This is the same proc...

14 8-PORT SERIAL HOST ADAPTER PCI 6. Connector Pin Assignments 6.1 DB25 (RS-232 DTE) Signal Name Pin # Mode GND Ground 7 TD Transmit Data 2 Output RTS Request to Send 4 Output DTR Data Terminal Ready 20 Output RD Receive Data 3 Input CTS Clear to Send 5 Input DSR Data Set Ready 6 Input DCD Data Carr...

15 APPENDIX A: Troubleshooting Appendix A: Troubleshooting A.1 Using the Serial Utility Diskettes A Serial Utility diskette comes with the Serial Host Adapter for use introubleshooting. If you still cannot solve a problem after reading this chapter, call for technical support. 1. Identify all I/O ad...

16 8-PORT SERIAL HOST ADAPTER PCI Appendix B: RS-232 Electrical Interface The most widely used communication standard is RS-232. It’s been defined andrevised several times and is sometimes also called EIA/TIA-232. The IBM ATcomputer defined the RS-232 port on a DB9 connector, and subsequently theEIA...

17 APPENDIX C: Asynchronous Communication Appendix C: Asynchronous Communication In serial data communication, individual bits of a character are transmittedconsecutively to a receiver that assembles the bits back into a character. Data rate,error checking, handshaking, and character framing (start/...

19 APPENDIX D: Board Layout Appendix D: Board Layout Figure D-1. Board Layout. X1 X2 16C554 U9 X4 X3 16C554 U12 C14 C13 U5 75232 C5 C6 U1 75232 C1 U6 75232 C7 U2 75232 C2 U7 75232 C8 U3 75232 C3 U8 75232 C9 U4 75232 C4 U10 P2 C11 93CS4S C10 R1 C12 U11 C17 PC19050 P1 C15 R2 R3 R4 R5 R6 R7 J1=Clock Di...

20 8-PORT SERIAL HOST ADAPTER PCI Appendix E: Compliance Notices E.1 Federal Communications Commission Statement See page 1 . E.2 EMC Directive Statement Products bearing the CE Label fulfill the requirements of the EMC directive(89/336/EEC) and of the low-voltage directive (73/23/EEC) issued by the...