Omega Products OMG-DATASHARK Installation Manual

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User’s Guide

OMG-DATASHARK

Dual Port ISA High Speed RS-232 Interface Board

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The information contained in this document is believed to be correct, but OMEGA Engineering, Inc. accepts
no liability for any errors it contains, and reserves the right to alter specifications without notice.
WARNING: These products are not designed for use in, and should not be used for, patient-connected applications.

Contents

INTRODUCTION .........................................................................1

OVERVIEW................................................................................................1

WHAT’S INCLUDED ................................................................................1

FACTORY DEFAULT SETTINGS ............................................................1

CARD SETUP ..............................................................................2

ADDRESS SELECTION.............................................................................2

PORT ENABLE / DISABLE.......................................................................3

IRQ SELECTION.......................................................................................3

INTERRUPT MODES................................................................................4

CLOCK MODES.........................................................................................5

INSTALLATION ..........................................................................6

OPERATING SYSTEM INSTALLATION .................................................6

For Windows Users.............................................................................6

Other Operating Systems ....................................................................6

TECHNICAL DESCRIPTION.........................................................7

CONNECTOR PIN ASSIGNMENTS...........................................................7

SPECIFICATIONS ........................................................................8

ENVIRONMENTAL SPECIFICATIONS....................................................8

MANUFACTURING...................................................................................8

POWER CONSUMPTION..........................................................................8

MEAN TIME BETWEEN FAILURES (MTBF)........................................8

PHYSICAL DIMENSIONS..........................................................................8

APPENDIX A - TROUBLESHOOTING..................................9 & 10

APPENDIX B - How To Get Assistance ........................................11

APPENDIX C - ELECTRICAL INTERFACE ..................................12

RS-232 ....................................................................................................12

APPENDIX D - ASYNCHRONOUS COMMUNICATIONS ...............13

APPENDIX E - SILK-SCREEN ....................................................14

APPENDIX F - COMPL IANCE NOTICES .....................................15

FEDERAL COMMUNICATIONS COMMISSION STATEMENT............15

CANADIAN RADIO INTERFERENCE REGULATIONS.........................15

EMC DIRECTIVE STATEMENT...........................................................16

Figures

Figure 1 - Address Selection Table....................................................................2

Figure 2 - Header E1 and E2, IRQ Selection.....................................................3

Figure 3 - Header E3, Normal IRQ Mod e...........................................................4

Figure 4 - Header E3, Shared IRQ Mode ...........................................................4

Figure 5 - Header E3, Sharing IRQ’s with another adapter...........................5

Figure 6 - Headers E4 and E5, Clocking Modes...............................................5

Figure 7 - Asynchronous Communications Bit Diagram.............................13

Introduction

Introduction

Overview

The OMG-DATASHARK provides the PC with 2 Asynchronous serial ports.
The OMG-DATASHARK also provides a jumper to select clocking modes that
allow much higher data rates than those typically associated with RS-232. These
data rates are accomplished by using high-speed drivers and receivers designed
to handle these higher rates, up to a maximum 460Kbps. The OMG-
DATASHARK can be configured as COM1: through COM4:, providing a
versatile interface for common RS-232 needs (i.e. modem, mouse and plotters) as
well as higher speed applications ( i.e. ISDN, V.34 modems etc.).

What’s Included

The OMG-DATASHARK is shipped with the following items. If any of these
items are missing or damaged, contact the supplier.

• OMG-DATASHARK Serial I/O Adapter

• Software

Factory Default Settings

The OMG-DATASHARK factory default settings are as follows:

Port # Base Address IRQ

Port 1 280 5
Port 2 288 10

To install the OMG-DATASHARK using factory default settings, refer to
Installation on page 6.

For your reference, record installed OMG-DATASHARK settings below:

Port # Base Address IRQ

Port 1
Port 2

OMG-DATASHARK Page 1

Card Setup

Card Setup

The OMG-DATASHARK contains several jumper straps which must be set for
proper operation.

Address Selection

Each serial port on the OMG-DATASHARK occupies eight consecutive I/O
locations, and looks to the PC as a standard serial port. A DIP switch (SW1) is
used to set the port address options for the OMG-DATASHARK . Be careful
when selecting the port addresses as some selections may conflict with existing
ports. The following table shows the addressing options available with the
standard PAL. If you do not see an address option that suits your needs, please
contact Technical Support about a custom PAL option.

Port1

J2

3F8 2F8 On On On Off
3E8 2E8 On On Off On
2F8 2E8 On On Off Off

2F8 3E8 On Off On On
3220 3228 On Off On Off
4220 4228 On Off Off On
5220 5228 On Off Off Off
5220 4220 Off On On On

280 290 Off On On Off
300 308 Off On Off On
310 318 Off On Off Off
280 288 Off Off On On
290 298 Off Off On Off
300 280 Off Off Off On

Disabled Disabled Off Off Off Off

Note: Each COM: port in your system should have a unique address. Typically

COM1: - COM4: addresses are 3F8, 2F8, 3E8 & 2E8 Hex. If a COM1: &
COM2: are already present, use the second addressing option, this will
provide the typical addresses for COM3: & COM4: .

Port2

J3

SW1

1

Figure 1 - Address Selection Table

SW1

2

SW1

3

SW1

4

Refer to Appendix A for common address contentions.

OMG-DATASHARK Page 2

Card Setup

Port Enable / Disable

Port 2 on the OMG-DATASHARK can be enabled or disabled with the jumper at
E6 for applications requiring only one port. The port is enabled with the jumper
installed and disabled when removed. If Port 2 is disabled, be sure to disable the
interrupt request for that port by removing the IRQ jumper at E2. When the port
is disabled only the Port 1 address from the selection is valid (See Figure 1).

IRQ Selection

Headers E1 and E2 select the interrupt request for each serial p ort (E1 - Port 1, E2

- Port 2). If COM1: is selected, the corresponding jumper must be on the IRQ4
setting. If COM2: is selected, the corresponding jumper must be on IRQ3.

Note: Most communications software applications default COM3: to IRQ4 and

COM4: to IRQ3. This requires the sharing of interrupts between COM1: and
COM3:, and between COM2: and COM4:. While this is the default, it is not
always the preferred setting. Check your software configuration
instructions to determine the most appropriate IRQ selection.

E1

2/9 3 4 5 7 10 11 12 15

E2

2/9 3 4 5 7 10 11 12 15

Figure 2 - Header E1 and E2, IRQ Selection

Any two or more ports can share a common IRQ by placing the jumpers on the
same IRQ setting, and setting the appropriate selections at E3. Consult your
particular software for IRQ selection. If no interrupt is desired, remove the
jumper.

OMG-DATASHARK Page 3