Omega OMG-COMM8-A - Manuals

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Manual

Manual Omega OMG-COMM8-A

Summary

A PPENDIX E - 3421 A DDENDUM .......................................... 17 A PPENDIX F - S ILK -S CREEN .................................................. 1 A PPENDIX G - C OMPLIANCE N OTICES ................................ 19 F EDERAL C OMMUNICATIONS C OMMISSION S TATEMENT ............. 19 EMC D I...

Page 3 - Introduction; Overview; Base Address

Introduction Omega Engineering OMG-COMM8-A Page 1 Introduction Overview The Omega Engineering OMG-COMM8-A provides the PC with eight RS-232 asynchronous ports. The OMG-COMM8-A allows for connection to any device utilizing the RS-232 electrical interface, such as modems,data-entry terminals, and plot...

Page 5 - Card Setup; Address Selection; Address; Figure 1 - Address Selection Table

Card Setup Omega Engineering OMG-COMM8-A Page 3 Card Setup The OMG-COMM8-A contains several jumper straps that must be set for proper operation. Address Selection The OMG-COMM8-A occupies 64 I/O locations and can be addressed two different ways. If header E1 is set to the “Switch” position the OMG- ...

Page 6 - “PAL” Addressing

Card Setup Omega Engineering OMG-COMM8-A Page 4 The following illustration shows the correlation between the DIP-switchsetting and the address bits used to determine the base address. In theexample below, address 280 (Factory Default) is selected as a base. ON OFF 1 2 3 4 5 6 7 A12 A6 Figure 2 - DIP...

Page 7 - IRQ Selection; The

Card Setup Omega Engineering OMG-COMM8-A Page 5 IRQ Selection The OMG-COMM8-A has an interrupt selection jumper that corresponds to each port that may have to be set prior to use. The software you areusing with the board will determine which interrupts, if any are to be used.The DOS serial port inte...

Page 8 - Interrupt Mode Options; Figure 4 - Header E9 and E10, Normal IRQ Mode; N S M

Card Setup Omega Engineering OMG-COMM8-A Page 6 Interrupt Mode Options The OMG-COMM8-A will allow each port to have an independent interrupt level or share an interrupt with another port on the adapter. The OMG-COMM8-A will even share interrupts with a compatible port that is located on another adap...

Page 9 - Figure 5 - Header E9 and E10, Shared IRQ Mode; in this configuration when; Figure 6 - Header E9 and E10, Sharing IRQ’s with another adapter

Card Setup Omega Engineering OMG-COMM8-A Page 7 Set jumpers to “ S ” for shared interrupt mode on all blocks sharing an IRQ except one. Set that port block for “ M ”. This provides the pull-down resistor circuit that makes sharing of IRQ possible. If you are using morethan one OMG-COMM8-A or a compa...

Page 10 - Installation; Operating System Installation

Installation Omega Engineering OMG-COMM8-A Page 8 Installation The OMG-COMM8-A can be installed in any of the full size PC expansion slots, but to access the “AT” or (E)ISA IRQs (10, 11, 12, 15) itmust be installed in one of the 16 bit slots. The OMG-COMM8-A contains several jumper straps for each p...

Page 11 - Technical Description; Features

Technical Description Omega Engineering OMG-COMM8-A Page 9 Technical Description The Sealevel OMG-COMM8-A provides 8 additional serial ports for terminals, modems, printers, etc. The OMG-COMM8-A utilizes the 16550 UART chip. This chip features programmable baud rate, dataformat, interrupt control an...

Page 12 - DB-25 Connector Pin Assignments; Signal; Figure 7 - DB-25 Connector Pin Assignments; DB-78 Connector Pin Assignments; Figure 8 - DB-78 Connector Pin Assignments

Technical Description Omega Engineering OMG-COMM8-A Page 10 DB-25 Connector Pin Assignments 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 Da...

Page 13 - Specifications; Environmental Specifications

Specifications Omega Engineering OMG-COMM8-A Page 11 Specifications Environmental Specifications Specification Operating Storage Temperature Range 0º to 50º C (32º to 122º F ) -20º to 70º C (-4º to 158º F) Humidity Range 10 to 90% R.H. Non-Condensing 10 to 90% R.H. Non-Condensing Manufacturing • IPC...

Page 14 - Appendix A - Troubleshooting

Appendix A - Troubleshooting Omega Engineering OMG-COMM8-A Page 12 Appendix A - Troubleshooting A Serial Utility Diskette is supplied with the Omega Engineering adapterand will be used in the troubleshooting procedures. By using this disketteand following these simple steps, most common problems can...

Page 16 - Appendix B - How To Get Assistance

Appendix B - How To Get Assistance Omega Engineering OMG-COMM8-A Page 14 Appendix B - How To Get Assistance Please refer to Appendix A - Troubleshooting prior to calling TechnicalSupport. 1. Read this manual thoroughly before attempting to install theadapter in your system. 2. When calling for techn...

Page 17 - Appendix C - Electrical Interface; Interface between Data Terminal Equipment and Data Circuit-; DTE

Appendix C - Electrical Interface Omega Engineering OMG-COMM8-A Page 15 Appendix C - Electrical Interface RS-232 Quite possibly the most widely used communication standard is RS-232.This implementation has been defined and revised several times and isoften referred to as RS-232-C/D/E or EIA/TIA-232-...

Page 18 - Appendix D - Asynchronous Communications; Figure 9 - Asynchronous Communications Bit Diagram

Appendix D - Asynchronous Communications Omega Engineering OMG-COMM8-A Page 16 Appendix D - Asynchronous Communications Serial data communications implies that individual bits of a character aretransmitted consecutively to a receiver that assembles the bits back into acharacter. Data rate, error che...

Page 21 - Appendix G - Compliance Notices; Federal Communications Commission Statement; Warning

Appendix G - Compliance Notices Omega Engineering OMG-COMM8-A Page 19 Appendix G - Compliance Notices Federal Communications Commission Statement FCC - This equipment has been tested and found to comply with the limitsfor Class A digital device, pursuant to Part 15 of the FCC Rules. Theselimits are ...

Page 22 - Warranty; Trademarks; is a trademark of Omega Engineering, Incorporated.

Warranty Omega Engineering OMG-COMM8-A Page 20 Warranty Omega Engineering, Inc. warrants this product to be in good working orderfor a period of one year from the date of purchase. Should this product failto be in good working order at any time during this period, OmegaEngineering will, at it's opti...