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Ultra-SIO
User Manual | 3089
1
© Sealevel Systems, Inc.
3089 Manual | SL9142 6/2021

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Summary of Contents for SeaLevel Ultra-SIO 3089

  • Page 1 Ultra-SIO User Manual | 3089 © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 2: Table Of Contents

    APPENDIX D – GROUND LOOP PHENOMENON ....................19 APPENDIX E – ASYNCHRONOUS COMMUNICATIONS .................. 20 APPENDIX F – SILK-SCREEN ..........................21 APPENDIX G – COMPLIANCE NOTICES ......................22 WARRANTY ................................ 23 © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 3: Introduction

    Introduction The Sealevel Systems Ultra-SIO provides the PC with two additional ground isolated RS-422/485 (P/N 3189) or two non-isolated RS-422/485 (P/N 3089) serial ports for terminals, modems, printers, etc. Isolation is important in installations where the equipment being connected to the PC is either far from the PC, or on a different power transformer circuit.
  • Page 4: Before You Get Started

    Before You Get Started What’s Included The Ultra-SIO is shipped with the following items. If any of these items are missing or damaged, please contact Sealevel for replacement. • Ultra-SIO Serial I/O Adapter (P/N 3189 with isolation or P/N 3089 without isolation)
  • Page 5 Port 1 RS-422 Port 2 RS-422 To install the Ultra-SIO using factory default settings, refer to Installation. For your reference, record installed Ultra-SIO settings below: Port # Base Address Electrical Specification © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 6: Card Setup

    SW1 sets the I/O address for port 1 and SW2 sets port 2. The following table shows the addressing options available. If different address options are required, please contact Sealevel Systems Technical Support about a custom PAL option.
  • Page 7 E11 and E12 and setting the appropriate selections at E5 and E6. Note that a polling type driver is needed to share interrupts in this fashion. Windows does not supply a polling type driver. Consult your particular software for IRQ selection. If no interrupt is desired, remove the jumper. © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 8 Setting the adapter in this configuration when it is not accompanied by a pull-down resistor will prevent the ports from triggering an interrupt. N S M Figure 5 - Header E5 & E6, Sharing IRQs with another adapter © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 9 These header blocks are described in the illustration and table that follow: Echo Echo E3 = Port 1 E9 = Port 2 © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 10 Auto E8 & E10 E3 & E9 Figure 7 - RS-485 ‘Auto’ Enabled, with ‘No Echo’ Auto E8 & E10 E3 & E9 Figure 8 - RS-485 ‘Auto’ Enabled, with ‘Echo’ © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 11 485 receiver circuit (Receive data only). Adds or removes the 1K ohm pull-up resistor in the RS-422/RS- 485 receiver circuit (Receive data only). Figure 10 - Headers E1 and E4, Line Termination © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 12: Installation

    Click Next. The Select a Device Driver window will appear. On the left side find Sealevel Systems, Inc. and on the right side of the window select the card type you are installing. Windows will now show a warning message that it could not detect the settings of the device and that you must enter the settings manually.
  • Page 13 Linux releases. Also included is a series of files explaining proper Linux syntax and typical Linux serial implementations. For the most up to date information on the QNX4 software support, please call Sealevel Systems’ Technical Support, (864) 843-4343. Our technical support is free and available from 8:00AM-5PM Eastern Time, Monday through Friday.
  • Page 14: Technical Description

    Technical Description The Sealevel Systems Ultra-SIO provides the PC with two additional ground isolated RS-422/485 (P/N 3189) or two non-isolated RS-422/485 (P/N 3089) serial ports for terminals, modems, printers, etc. Isolation is important in installations where the equipment being connected to the PC is either far from the PC, or on a different power transformer circuit.
  • Page 15: Specifications

    10 to 90% R.H. Non-Condensing Manufacturing All Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are 100% electrically tested. These printed circuit boards are solder mask over bare copper or solder mask over tin nickel. Power Consumption...
  • Page 16: Appendix A - Troubleshooting

    4. Make sure the Sealevel Systems adapter is securely installed in a motherboard slot. 5. When running DOS or Windows 3.x refer to the supplied Sealevel Software and this User Manual to verify that the Sealevel Systems adapter is configured correctly. This software contains a diagnostic program ‘SSD.’...
  • Page 17: Appendix B - How To Get Assistance

    If possible, please have the adapter installed in a computer ready to run diagnostics. 3. Sealevel Systems provides an FAQ section on its web site. Please refer to this to answer many common questions. This section can be found at http://www.sealevel.com/faq.asp.
  • Page 18: Appendix C - Electrical Interface

    (Tx+ to Rx+ and Tx- to Rx-). Four wire mode allows full duplex data transfers. RS-485 does not define a connector pin-out or a set of modem control signals. RS-485 does not define a physical connector. © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 19: Appendix D - Ground Loop Phenomenon

    This condition will cause data errors and possibly destruction of the receiver circuit. DATA+ DATA- Isolated Isolated Ground Ultra SIO Ultra SIO Isolation Barrier Figure 11 - Ultra-SIO cabling example © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 20: Appendix E - Asynchronous Communications

    The communication parameters are baud rate, parity, number of data bits per character, and stop bits (i.e., 9600,N,8,1). © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 21: Appendix F - Silk-Screen

    Appendix F – Silk-Screen 5.2" 4.0" © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 22: Appendix G - Compliance Notices

    Always use cabling provided with this product if possible. If no cable is provided or if an alternate cable is required, use high quality shielded cabling to maintain compliance with FCC/EMC directives. © Sealevel Systems, Inc. 3089 Manual | SL9142 6/2021...
  • Page 23: Warranty

    Sealevel's commitment to providing the best I/O solutions is reflected in the Lifetime Warranty that is standard on all Sealevel manufactured I/O products. We are able to offer this warranty due to our control of manufacturing quality and the historically high reliability of our products in the field. Sealevel products are designed and manufactured at its Liberty, South Carolina facility, allowing direct control over product development, production, burn-in and testing.

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