Fastcom 232/4-LPCI-335 Reference Manual

Manual is about: Four channel RS-232 Asynchronous Interface for low-Profile universal PCI Bus

Summary of 232/4-LPCI-335

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    9011 e. 37th street n wichita, kansas 67226-2006 (316) 636-1131 fax (316) 636-1163 http://www.Commtech-fastcom.Com/ copyright (c) 2004, 2006, 2010 all rights reserved, including those to reproduce this document or parts thereof in any form without permission in writing from commtech, inc. Fastcom an...

  • Page 3: Revision Notes

    Revision notes revision page number changes made 1.0 document created 1.1 2 added information about digital i/o ports 1.2 8 added to fastcom serial settings 1.3 13 changed warranty period to limited lifetime 1.4 13 updated limitation of liability.

  • Page 4: Table of Contents

    Table of contents european union declaration of conformity ........................................................1 introduction........................................................................................................................2 s pecifications ....................................

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    1 european union declaration of conformity information technology equipment the company commtech, inc. Declares under its own and full responsibility that the product " fastcom 232/4-lpci-335 - revision 1.1 " on which is attached this certificate is compliant to the "89/336/eec" directive, amended b...

  • Page 6: Introduction

    2 introduction the new fastcom low profile, universal pci bus, asynchronous rs232 adapter utilizes the latest technology to live up to today’s requirements for high bandwidth in communication systems. The new fastcom: 232/4-lpci- 335 is capable of operating at virtually any baud rate up to and above...

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    3 specifications uart: exar 17d154 os support: windows xp, 2000 (linux pending) data rates: all baud rates up to and above 1 mbit/s (see maximum data rate section) buffering: 64 byte tx fifo each channel 64 byte rx fifo each channel drivers/receivers: high speed rs-232 interface: rs-232f signals: tx...

  • Page 8: Board Layout

    4 board layout universal pci bus (5v & 3.3v), pci-x compatible db44 connector status led’s rx = yellow tx = red dimensions: 2.536 x 4.721 in low profile, short (md1 length) universal pci. Packing list fastcom: 232/4-lpci-335 card 232/4 cable assembly fastcom cd if an omission has been made, please c...

  • Page 9: Installation

    5 installation hardware installation important: static electricity can harm system boards. Perform service at an esd workstation and follow proper esd procedure to reduce the risk of damage to components. Commtech, inc. Strongly encourages you to follow proper esd procedures, which can include wrist...

  • Page 10: Testing The Installation

    6 testing the installation to fully test the installation of your fastcom: 232/4-lpci-335, you will need to build a "loop back plug". Materials needed are a db25 female receptacle, solder cup style, and two short pieces of 20 or 24 awg stranded wire. This loop back plug can be used to test each rs-2...

  • Page 11

    7 ok). Expand the “multiport serial adapter” tab and double click on the fastcom device listed in that class. Verify that the device status box on the general class lists “the device is working properly.” 3. The fastcom ports did not install correctly. Open the device manager (start -> run -> devmgm...

  • Page 12

    8 output pins. A checked box will output a logic high while unchecked outputs logic low. Clicking the check/set digital i/os button or the set now button or the ok button will update the status of these pins. Note: the state of each output pin will be remembered, but only if you open the same port t...

  • Page 13

    9 fastcom: 232/4-lpci-335 adapter cable we provide access to the four channels of the fastcom: 232/4-lpci-335 through a shielded db44 connector and an adapter cable (supplied with the board). The adapter cable consists of a db44 male plug fanning out to four standard db25 male plugs. Db44 pin descri...

  • Page 14

    10 db25 pin description the fastcom: 232/4-lpci-335 features four rs-232 channels, which are accessed through four db25 connectors on the cable assembly. The following is a pin description of the db25 connectors: pin no. Signal name direction 1 no connect 2 transmit data (txd) output 3 receive data ...

  • Page 15: Programming

    11 programming to interface with the serial ports on the fastcom: 232/4-lpci-335 in a windows application, your code will use the standard win32 com api. Documentation pertaining to how to use the win32 api is beyond the scope of this document. For more information on using the api, refer to the “us...

  • Page 16: Maximum Data Rate

    12 maximum data rate due to the nature of rs-232 communications, attainable baud rates tend to vary greatly. The ability to achieve higher baud rates depend on many factors including the interrupt handling ability of target machine, environment noise and especially cable lengths. In order to make ca...

  • Page 17: Technical Support

    13 technical support commtech provides extensive technical support and application suggestions. Most of the problems that occur with the fastcom: 232/4-lpci-335 can be corrected by double-checking the switch positions, your cables and your program. We recommend that you build the loop back plug that...

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    14 appendix a 17d154 uart data sheet view from cd download from web.