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PC-COMM+232
User Manual | 3622
1
© Sealevel Systems, Inc.
3622 Manual | SL9113 7/2021

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Summary of Contents for SeaLevel PC-COMM+232

  • Page 1 PC-COMM+232 User Manual | 3622 © Sealevel Systems, Inc. 3622 Manual | SL9113 7/2021...
  • Page 2: Table Of Contents

    APPENDIX A – TROUBLESHOOTING........................ 11 APPENDIX B – HOW TO GET ASSISTANCE ..................... 12 APPENDIX C – ELECTRICAL INTERFACE ......................13 APPENDIX D – COMPLIANCE NOTICES ......................14 WARRANTY ................................ 16 © Sealevel Systems, Inc. 3622 Manual | SL9113 7/2021...
  • Page 3: Quick Start

    Quick Start Card Setup The PC-COMM+232 will use I/O Addresses 240H and 248H and allow your operating system to assign the IRQ. If these I/O addresses are already in use, please feel free to contact our Technical Support Representatives to identify possible solutions.
  • Page 4 Windows NT is not ‘Plug and Play’ nor does it support ‘Hot-Swapping,’ therefore power down before card insertions or removals. Linux Please refer to the Linux section of Sealevel’s website for the software and up-to-date instructions for various Linux installations. © Sealevel Systems, Inc.
  • Page 5: Introduction

    Introduction The PC-COMM+232 continues the Sealevel Systems tradition of an easy to use, highly reliable, and technically advanced serial I/O solution featuring the advanced EXAR XC16C850 UART. This UART includes 128-byte FIFOs, automatic hardware/software flow control and the ability to handle much higher data rates than the standard UARTs.
  • Page 6: Before You Get Started

    Before You Get Started What’s Included The PC-COMM+232 is shipped with the following items. If any of these items are missing or damaged, please contact Sealevel for replacement. • PC-COMM+232 PCMCIA Serial Interface Adapter • Dual DB-9 cable assembly •...
  • Page 7: Card Setup

    Do not force the card into the slot. Forcing the card can result in damage to the PC-COMM+232 or to the PCMCIA slot. After the card has been installed into the PCMCIA slot, the I/O cable should be connected to the card. The cable is also keyed to ensure proper installation.
  • Page 8 Data Rate Selection When the PC-COMM+232 is installed in Windows 95/98 or NT, choosing an oscillator value as shown above can control the data rate. This selection is found in Device Manager under Ports COM and LPT in 95/98 by highlighting the port and choosing Properties and then choosing the Advanced tab.
  • Page 9: Technical Description

    Technical Description The PC-COMM+232 provides two RS-232 serial ports utilizing XR16C850 UARTs (Universal Asynchronous Receiver Transmitter). The XR16C850 is compatible with the 16550 UART. The ‘850 is an enhanced UART with 128-byte FIFOs, automatic hardware/software flow control and the ability to handle much higher data rates than standard UARTs.
  • Page 10: Specifications

    Mean Time Between Failures (MTBF) Greater than 150,000 hours. (Calculated) Physical Dimensions The PC-COMM+232 conforms to the physical dimensions for all PCMCIA Type II cards as defined in the PCMCIA specification 2.0. © Sealevel Systems, Inc. 3622 Manual | SL9113 7/2021...
  • Page 11: Appendix A - Troubleshooting

    If these steps do not solve your problem, please call Sealevel Systems’ Technical Support, (864) 843-4343. Our technical support is free and available from 8:00 AM to 5:00 PM Eastern Time Monday through Friday.
  • Page 12: Appendix B - How To Get Assistance

    If possible, please have the adapter installed in a computer ready to run diagnostics. 3. Sealevel Systems provides a 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.htm...
  • Page 13: Appendix C - Electrical Interface

    0 (space) and -12 volts (-3 to -10 volts) denote a binary 1 (mark). The RS-232 and the EIA/TIA-574 specification define two types of interface circuits, Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE). The Sealevel Systems adapter is a DTE interface. © Sealevel Systems, Inc.
  • Page 14: Appendix D - 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. 3622 Manual | SL9113 7/2021...
  • Page 15 Caution Sealevel Systems, Inc. is not responsible for any radio or television interference caused by unauthorized modifications of this equipment or the substitution of attachment of connecting cables and equipment other than those specified by Sealevel Systems. Such unauthorized modifications, substitutions, or attachments may void the user’s authority to operate the equipment.
  • Page 16: 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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