Fastcom 232/8-ISA Hardware Reference Manual Download

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™ 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

Summary of Contents for 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 2: ......

Page 3: ...including those to reproduce this document or parts thereof in any form without permission in writing from Commtech Inc FASTCOM and SMART14 are trademarks of Commtech Inc IBM is a registered trademark of International Business Machines Corporation Microsoft is a registered trademark of Microsoft Corporation WINDOWS is a trademark of Microsoft Corporation ...

Page 4: ...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 default setting of address switch ...

Page 5: ...Board Layout 5 INSTALLATION Installing the Board 6 Testing the Installation 7 SWITCH DESCRIPTIONS Switch 1 Address 9 Switches 2 and 3 IRQ 10 Interrupt Sharing 11 I STAT REGISTER 12 ADAPTER CABLE 13 TECHNICAL SUPPORT 14 APPENDIX A I O Address Settings 15 APPENDIX B 16C854 UART Technical Data 20 ...

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Page 7: ...Class B Limits EN 50082 1 1992 EMC Generic Immunity Standard Part 1 Residential Commercial and Light Industry IEC 801 2 1984 Method of Evaluating Susceptibility to Electrostatic Discharge Level 4 IEC 801 3 1984 Radiated Electromagnetic field Requirements Level 3 IEC 801 4 1988 Electrical Fast Transient Burst Requirements Level 2 Products listed on this declaration are exempt from the requirements ...

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Page 9: ...peed mode capable of up to an amazing 725 Kbps Note that RS 232 data rates are limited by cable length noise and driver receiver characteristics The Fastcom CD contains software drivers for DOS in other operating systems the ports are set up using the system port driver The FASTCOM 232 8 ISA is designed with a compatible mode for operation in the Windows environment The shared interrupt design and...

Page 10: ... hand shaking signals for each channel Compatible with our older models Fastcom 8 and Fastcom 8 ST Address Mode Ports are assigned address IRQ by the user High performance 16C854 UARTs Standard on the FASTCOM 232 8 ISA no extra charge High throughput full compatibility higher speeds Cable documentation software drivers included Made in Wichita Kansas USA RS 232 data rates are realistically limited...

Page 11: ... 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: ...T 1 2 3 4 5 ON 6 7 8 BASE ADDRESS 280H SW1 IRQ SELECT 1 2 3 4 5 ON 6 7 8 1 2 3 4 ON IRQ LEVEL 5 SW2 SW3 INSTALLING THE FASTCOM 232 8 ISA IN THE PC 1 Unpack the FASTCOM 232 8 ISA Keep the box and static bag for warranty repair returns 2 Check the switches to be sure that they are set properly 3 Select an open slot in your PC 16 bit slot 4 After removing the blank bracket from your PC install the FA...

Page 13: ...he information that it requests After you have configured SMART14 load it by typing SMART14 at the DOS prompt 5 Run the TERM program and follow the SMART14 test instructions 6 Move the loop back test plug and repeat the test for Channels 2 through 8 TESTING YOUR FASTCOM ASYNC ISA PORT IN WINDOWS These instructions assume that you have already installed the card and have followed the installation i...

Page 14: ...y using an Ohm meter or continuity tester to verify that the switch positions are actually what they are set to The switch positions that are ON should be closed about 0 ohms the ones that are OFF should be open not 0 Ohms Sometimes the dip switches will get stuck in either the on or off position irrespective of the position of the slide If this happens try toggling the stuck position on and off a...

Page 15: ...responding bit position not a 1 as you might expect Also a switch that is OFF represents a 1 in the corresponding bit position If you would like to know why this is reversed read a technical data sheet for the address decoder chip a 74LS682 So the SW1 diagram can be decoded as follows A13 A12 A11 A10 A9 A8 A7 A6 0 0 0 0 1 0 1 0 You can determine the I O address of the board by adding the Hex value...

Page 16: ...ARD 1 280H FASTCOM 232 8 ISA BOARD 2 300H FASTCOM 232 8 ISA BOARD 3 340H FASTCOM 232 8 ISA BOARD 4 380H Remember that a single IRQ level can be shared between multiple FASTCOM 232 8 ISA boards in a PC SWITCH 2 and SWITCH 3 INTERRUPTS Switch 3 serves two functions it selects the IRQ level for the FASTCOM 232 8 ISA and enables disables interrupt sharing Switch 2 selects upper IRQ levels The followin...

Page 17: ...s called the Board 1 switch In the interrupt sharing mode this switch must be ON for the first FASTCOM 232 8 ISA board in your system and OFF on all other FASTCOM 232 8 ISA boards SWITCH 3 POSITION 1 8 ON OFF Disables IRQ sharing OFF ON Enables IRQ sharing first board OFF OFF Enables IRQ sharing second board For example let s assume that you have two FASTCOM 232 8 ISA boards in your PC and wanted ...

Page 18: ...ister The I STAT register is located at Base Address plus 7 So if your FASTCOM 232 8 ISA board is set to Base Address 280H reading address 287H will give you the contents of the I STAT register The following Assembler code illustrates how to read the I STAT Register MOV DX BASE_ADDRESS 7 LOCATION OF I STAT REGISTER IN AL DX READ I STAT DATA The contents of register AL may look like this Bit Number...

Page 19: ...8 CHANNEL NUMBER PIN NUMBER SIGNAL NAME COLOR DB25 PIN NO 1 2 3 4 5 6 7 8 DCD RED 8 1 4 6 8 10 13 15 17 CTS YELLOW 5 2 5 7 9 11 14 16 18 RXD BLUE 3 3 23 26 28 12 32 35 37 RI GREEN 22 21 24 27 29 30 33 36 38 DTR PURPLE 20 22 25 44 47 31 34 53 56 DSR BLACK 6 40 42 45 48 49 51 54 57 RTS BRONW 4 41 43 46 66 50 52 55 75 TXD WHITE 2 60 62 64 67 69 71 73 76 GND ORANGE 7 61 63 65 68 70 72 74 77 DB25 PIN D...

Page 20: ...tch positions your cables and your program We recommend that you build the loop back plug that is described in the Programming section of this manual With that plug you can quickly isolate the problem to the board cables or software If you still have unresolved questions use the following procedure to get technical support 1 Call our Technical Support Staff at 316 636 1131 They are on duty from 9 ...

Page 21: ... 240 contiguous bytes 1F0 1F8 FIXED DISK 1F9 1FF UNUSED 7 contiguous bytes 200 207 GAME PORT 208 20B UNUSED 4 contiguous bytes 20C 20D RESERVED 20E 21E UNUSED 16 contiguous bytes 21F RESERVED 220 22F UNUSED 16 contiguous bytes 230 23F BUS MOUSE 240 277 UNUSED 56 contiguous bytes 278 27F PARALLEL PORT SECONDARY 280 2AF UNUSED 48 contiguous bytes 2B0 2DF ALTERNATE EGA 2E0 2E7 UNUSED 8 contiguous byt...

Page 22: ... 1 1 1 1 b40h 2880 0 1 0 0 1 0 1 1 380h 896 1 0 0 0 1 1 1 1 b80h 2944 1 0 0 0 1 0 1 1 3c0h 960 0 0 0 0 1 1 1 1 bc0h 3008 0 0 0 0 1 0 1 1 400h 1024 1 1 1 1 0 1 1 1 c00h 3072 1 1 1 1 0 0 1 1 440h 1088 0 1 1 1 0 1 1 1 c40h 3136 0 1 1 1 0 0 1 1 480h 1152 1 0 1 1 0 1 1 1 c80h 3200 1 0 1 1 0 0 1 1 4c0h 1216 0 0 1 1 0 1 1 1 cc0h 3264 0 0 1 1 0 0 1 1 500h 1280 1 1 0 1 0 1 1 1 d00h 3328 1 1 0 1 0 0 1 1 540...

Page 23: ...h 7168 1 1 1 1 0 0 0 1 13c0h 5056 0 0 0 0 1 1 0 1 1c40h 7232 0 1 1 1 0 0 0 1 1400h 5120 1 1 1 1 0 1 0 1 1c80h 7296 1 0 1 1 0 0 0 1 1440h 5184 0 1 1 1 0 1 0 1 1cc0h 7360 0 0 1 1 0 0 0 1 1480h 5248 1 0 1 1 0 1 0 1 1d00h 7424 1 1 0 1 0 0 0 1 14c0h 5312 0 0 1 1 0 1 0 1 1d40h 7488 0 1 0 1 0 0 0 1 1500h 5376 1 1 0 1 0 1 0 1 1d80h 7552 1 0 0 1 0 0 0 1 1540h 5440 0 1 0 1 0 1 0 1 1dc0h 7616 0 0 0 1 0 0 0 1...

Page 24: ...1 1 0 1 0 0 1 0 24c0h 9408 0 0 1 1 0 1 1 0 2d40h 11584 0 1 0 1 0 0 1 0 2500h 9472 1 1 0 1 0 1 1 0 2d80h 11648 1 0 0 1 0 0 1 0 2540h 9536 0 1 0 1 0 1 1 0 2dc0h 11712 0 0 0 1 0 0 1 0 2580h 9600 1 0 0 1 0 1 1 0 2e00h 11776 1 1 1 0 0 0 1 0 25c0h 9664 0 0 0 1 0 1 1 0 2e40h 11840 0 1 1 0 0 0 1 0 2600h 9728 1 1 1 0 0 1 1 0 2e80h 11904 1 0 1 0 0 0 1 0 2640h 9792 0 1 1 0 0 1 1 0 2ec0h 11968 0 0 1 0 0 0 1 0...

Page 25: ...96 0 0 0 0 1 0 0 0 3500h 13568 1 1 0 1 0 1 0 0 3c00h 15360 1 1 1 1 0 0 0 0 3540h 13632 0 1 0 1 0 1 0 0 3c40h 15424 0 1 1 1 0 0 0 0 3580h 13696 1 0 0 1 0 1 0 0 3c80h 15488 1 0 1 1 0 0 0 0 35c0h 13760 0 0 0 1 0 1 0 0 3cc0h 15552 0 0 1 1 0 0 0 0 3600h 13824 1 1 1 0 0 1 0 0 3d00h 15616 1 1 0 1 0 0 0 0 3640h 13888 0 1 1 0 0 1 0 0 3d40h 15680 0 1 0 1 0 0 0 0 3680h 13952 1 0 1 0 0 1 0 0 3d80h 15744 1 0 0...

Page 26: ...20 APPENDIX B 16C854 UART DATA ...

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