SeaLevel ULTRA COMM+8.PCIe User Manual
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SeaLevel ULTRA COMM+8.PCIe User Manual

7804e
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ULTRA COMM+8.PCIe
User Manual | 7804e
1
© Sealevel Systems, Inc. 7804e Manual | SL9219 11/2021

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Summary of Contents for SeaLevel ULTRA COMM+8.PCIe

  • Page 1 ULTRA COMM+8.PCIe User Manual | 7804e © Sealevel Systems, Inc. 7804e Manual | SL9219 11/2021...

  • Page 2: Table Of Contents

    APPENDIX D – ELECTRICAL INTERFACE ......................18 APPENDIX E – ASYNCHRONOUS COMMUNICATIONS .................. 19 APPENDIX F – SILK SCREEN ..........................20 APPENDIX G – COMPLIANCE NOTICES ......................21 WARRANTY ................................ 22 © Sealevel Systems, Inc. 7804e Manual | SL9219 11/2021...

  • Page 3: Introduction

    Introduction Overview The Sealevel Ultra COMM+8.PCIe is an eight channel RS-232/485/422 PCI express Bus serial I/O adapter supporting data rates up to 921.6Kbps. The RS-232 compatibility allows for connection to devices utilizing the RS-232 electrical interface, such as modems, data-entry terminals, and plotters.

  • Page 4: Before You Get Started

    Before You Get Started What’s Included The ULTRA COMM+8.PCIe is shipped with the following items. If any of these items is missing or damaged, contact the supplier. ULTRA COMM+8.PCIe Serial I/O Adapter • • CA145 – DB78 Male to (8) DB9 Male, 36 inch Length (for 7804, 7801, 3420)
  • Page 5 Optional Items Depending upon your application, you are likely to find one or more of the following items useful with the Ultra COMM+8.PCIe. All items can be purchased from our website (www.sealevel.com) by calling our sales team at (864) 843-4343.

  • Page 6: Card Setup

    Card Setup Address and IRQ selection The Ultra COMM+8.PCIe is automatically assigned I/O addresses and IRQs by your motherboard BIOS or by a ‘Plug-n-Play’ Operating System. Adding or removing other hardware or moving the adapter to another slot may change the assignment of I/O addresses and IRQs.
  • Page 7 Adds or removes the 1K ohm pull-down resistor in the RS-422/RS-485 receiver circuit Connects the TX- to RX- for RS-485 two-wire operation. Connects the TX+ to RX+ for RS-485 two-wire operation. © Sealevel Systems, Inc. 7804e Manual | SL9219 11/2021...
  • Page 8 Figure 2 - RS-422 Mode 1 2 3 4 5 6 7 Figure 3 - RS-485 with 'Echo' 1 2 3 4 5 6 7 Figure 4 - RS-485 No 'Echo' © Sealevel Systems, Inc. 7804e Manual | SL9219 11/2021...

  • Page 9: Installation

    SeaCOM Software Installation Windows 98/ME/2000/XP/Vista™ Operating Systems Sealevel software packages can be obtained from the Sealevel website (see following instructions). If you already have the Sealevel software, proceed to the Upgrade to the current SeaCOM driver section. Do not connect the hardware until the software has been successfully installed.
  • Page 10 Vista SeaCOM will be populated in ‘Add/Remove Programs’ list. In Vista and newer OSs, it will be found in the ‘Programs and Features’ list. 3. Navigate to the Device Manager and remove the Sealevel adapter by right clicking on the line item choosing ‘Uninstall’. Depending on your product, it can be found under either ‘Multiport Serial adapters’...

  • Page 11: Hardware Installation

    4. Gently insert the PCI adapter into the slot. Make sure that the adapter is seated properly. 5. Replace the screw. (This is required to ensure FCC Part 15 compliance.) 6. Replace the cover. 7. Install the cable (CA199). 8. Connect the power cord. Installation is complete. © Sealevel Systems, Inc. 7804e Manual | SL9219 11/2021...

  • Page 12: Technical Description

    Technical Description The ULTRA COMM+8.PCIe provides eight RS-232/422/485 ports from a single PCIe slot. The ULTRA COMM+8.PCIe utilizes the 16C950 UART. This chip features programmable baud rates, data format, interrupt control and industry leading 128-byte transmit and receive FIFOs. The UART’s are register compatible with 16C450, 16C550, 16C654 and 16C750 UARTs. The FIFO depth can be changed to match the depth of these UARTs.
  • Page 13 CTS+ The RTS output is only available in RS-232 and RS-422 modes. The RTS output is tri-stated in RS-485 mode and therefore unusable. The CTS input is available in all modes. © Sealevel Systems, Inc. 7804e Manual | SL9219 11/2021...

  • Page 14: 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 Supply line +3.3VDC...

  • Page 15: 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 16: Appendix B - Handling Instructions

    • Keep work area free of non-conductive materials such as ordinary plastic assembly aids and Styrofoam. • Use field service tools such as cutters, screwdrivers, and vacuum cleaners that are conductive. © Sealevel Systems, Inc. 7804e Manual | SL9219 11/2021...

  • Page 17: Appendix C - 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 D - 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. RS-422 The RS-422 specification defines the electrical characteristics of balanced voltage digital interface circuits.

  • Page 19: 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. 7804e Manual | SL9219 11/2021...

  • Page 20: Appendix F - Silk Screen

    Appendix F – Silk Screen © Sealevel Systems, Inc. 7804e Manual | SL9219 11/2021...

  • Page 21: Appendix G - Compliance Notices

    FCC/EMC directives. This is a Class A Product. In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures. © Sealevel Systems, Inc. 7804e Manual | SL9219 11/2021...

  • Page 22: 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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