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Summary of Contents for SeaLevel COMM+8.PC
- Page 1 COMM+8.PCI User Manual | 7801 and 7801-D89 © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021...
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Page 2: Table Of Contents
APPENDIX C – ELECTRICAL INTERFACE ......................15 APPENDIX D – ASYNCHRONOUS COMMUNICATIONS .................. 16 APPENDIX E – SILK SCREEN ..........................17 APPENDIX F – COMPLIANCE NOTICES ......................18 WARRANTY ................................ 19 © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021... -
Page 3: Introduction
Introduction Overview The Sealevel Systems COMM+8.PCI provides the PC with eight RS-232 asynchronous ports. The COMM+8.PCI allows for connection to any device utilizing the RS-232 electrical interface, such as modems, data-entry terminals, and plotters. © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021... -
Page 4: Before You Get Started
Note The lowest level of importance used to provide background information, additional tips, or other non-critical facts that will not affect the use of the product. © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021... -
Page 5: Card Setup
Figure 1 - Clocking Mode ‘Divide By 4’ To select the maximum data rate (460.8K bps) place the jumper in the divide by 1 (silk-screen DIV1) position. Figure 2 - Clocking Mode ‘Divide By 1’ © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021... - Page 6 For this Data Rate Choose this Divisor 1200 bps 2400 bps 4800 bps 9600 bps 19.2K bps 38.4K bps 57.6K bps 115.2K bps 230.4K bps 460.8K bps © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021...
- Page 7 The COMM+8.PCI is automatically assigned I/O addresses and IRQs by your motherboard BIOS. Often, moving the board to another slot will change the I/O address or IRQ. Also adding or removing other hardware may change the assignment of I/O addresses and IRQs. © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021...
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Page 8: Installation
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 9: 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. Connect the power cord Installation is complete. © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021... -
Page 10: Technical Description
Transmit Data Output Request To Send Output Data Terminal Ready Output Receive Data Input Clear To Send Input Data Set Ready Input Data Carrier Detect Input Ring Indicator Input © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021... - Page 11 RTS to CTS and RI. Also, connect DCD to DTR and DSR. Terminating these pins, if not used, will help ensure you get the best performance from your adapter. © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021...
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Page 12: 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 13: 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 14: 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 15: 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. 7801 & 7801-DB9 Manual | SL9070 9/2021... -
Page 16: Appendix D - 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. 7801 & 7801-DB9 Manual | SL9070 9/2021... -
Page 17: Appendix E - Silk Screen
Appendix E – Silk Screen 3.8" 5.650" 3.475" © Sealevel Systems, Inc. 7801 & 7801-DB9 Manual | SL9070 9/2021... -
Page 18: Appendix F - Compliance Notices
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. 7801 & 7801-DB9 Manual | SL9070 9/2021... -
Page 19: 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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