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Fastcom 232/8-ISA Hardware reference manual

Manual is about: Advanced Eight Channel RS-232 Interface for DOS and Windows

Summary of 232/8-ISA

  • Page 1

    F ™ a astcom dapters fastcom™: 232/8-isa advanced eight channel rs-232 interface for dos and windows hardware reference manual ™ manufactured by: 9011 e 37th st n wichita ks 67226-2006.

  • Page 3

    9011 e. 37th street n. Wichita, kansas 67226-2006 (316) 636-1131 fax (316) 636-1163 http://www.Commtech-fastcom.Com/ copyright (c) 1999, 2002, 2003 all rights reserved, including those to reproduce this document or parts thereof in any form without permission in writing from commtech, inc. Fastcom a...

  • Page 4: Revision Notes

    Revision notes revision page number changes made 2.1 7 swapped dsr and dcd on loop back plug description 2.2 14 changed warranty to 2 years 2.3 14 updated contact information 2.4 3,4 changed 1.5 mbaud to 725 kbps 2.5 1 14 updated revision level changed warranty period to lifetime 2.6 6 correct defau...

  • Page 5: Contents

    Contents ce certificate ................................................................................................................ 1 introduction description / block diagram ............................................................................................ 3 specifications / features...

  • Page 7

    1 european union declaration of conformity information technology equipment the company commtech, inc. Declares under its own and full responsibility that the product " fastcom: 232/8-isa - revision 4.0 " on which is attached this certificate is compliant to the "89/336/eec" directive, amended by 92...

  • Page 8

    2.

  • Page 9: Channel 1 (Of 8)

    3 introduction the fastcom: 232/8-isa adapter is one of the fastest (725 kbps), most advanced eight-port rs-232 asynchronous serial adapter in the industry. Primarily designed for commercial, industrial, and oem applications, the fastcom: 232/8-isa features eight discrete rs-232 channels, complete w...

  • Page 10: Specifications:

    4 specifications: uart 16c854 baud range up to 725 kbaud* buffering transmit - 128 bytes receive - 128 bytes interface rs-232c db25 connector signals: tx, rx, dtr, dsr, dcd, rts, cts, ri protocol: asynchronous bus 16-bit isa power requirements: +5 600ma (typical) +12 100ma - 12 100ma features: fastc...

  • Page 11: Fastcom: 232/8-Isa

    5 fastcom: 232/8-isa board layout 16c854 uarts db78 connector irq select switches base address switch packing list fastcom: 232/8-isa card cable assembly fastcom cd if an omission has been made, please call technical support for a replacement..

  • Page 12: Installation

    6 installation important: observe electrostatic discharge (esd) precautions when handling the fastcom: 232/8-isa board. The fastcom: 232/8-isa is hardware/software compatible with our original fastcom4: adapter. The address/irq for each channel is determined by setting switch 1 (address) and switche...

  • Page 13: Testing The Installation

    7 testing the installation 2 3 4 5 6 8 20 to fully test the installation of your fastcom: 232/8-isa, you will need to build a "loop back plug". Materials needed are a db25 female receptacle, solder cup style, and a few short pieces of 20 or 24 awg stranded wire. This loop back plug can be used to te...

  • Page 14

    8 3. From the menu bar on the tty program, select settings. Select the port to test (e.G., com5) uncheck all of the flow checkboxes (dtr/dsr, rts/cts, xon/xoff). Click ok. 4. From the tty main menu bar select action, then connect. 5. At this point you should see a blinking cursor in the upper left c...

  • Page 15: Switch Descriptions

    9 switch descriptions there are three dip switches on the fastcom: 232/8-isa, labeled sw1, sw2, and sw3 (see board layout illustration for location). Switch 1 (labeled base address) is used to set the i/o address of the fastcom: 232/8- isa board. Switch 3 (labeled irq) serves two functions: it selec...

  • Page 16

    10 please note that not all of the i/o address space in a pc is available for your use. We have selected 280h as a default because it does not conflict with devices normally installed in a pc. However if you wish to select another address, refer to appendix a, i/o address usage table, and select an ...

  • Page 17

    11 interrupt sharing an important feature of the fastcom: 232/8-isa is its ability to share one irq level with several fastcom: 232/8-isa boards in the same computer. This is important because there are very few unassigned irqs in the pc. Switch 3 positions 1 and 8 control the interrupt sharing circ...

  • Page 18: I-Stat Register

    12 i-stat register the fastcom: 232/8-isa features an interrupt status register ("i-stat register") that improves the efficiency of interrupt service routines and reduces polling time. The i-stat register is an 8-bit register on the fastcom: 232/8-isa board that will quickly tell a programmer which ...

  • Page 19

    13 fastcom: 232/8-isa adapter cable we provide access to the eight channels on the fastcom: 232/8-isa adapter through a shielded db78 connector and an adapter cable (supplied with the board). The adapter cable consists of a db78 male plug fanning out to eight standard db25 male plugs. Fastcom: 232/8...

  • Page 20: Technical Support

    14 technical support all products manufactured by commtech are warranted against defective materials and workmanship for the lifetime of the product. This warranty is available only to the original purchaser. Any product found to be defective will, at the option of commtech, be repaired or replaced ...

  • Page 21: Appendix A

    15 appendix a i/o address settings each channel of the fastcom: 232/8-isa requires 8 contiguous bytes of address space. Since channels 2-8 are addressed as offsets of the base address, you will need 64 contiguous bytes (040 hex) of address space. The following are i/o addresses and devices that are ...

  • Page 26

    20 appendix b 16c854 uart data.