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© Sealevel Systems, Inc. 7202 Manual | SL9059 7/2021

COMM+232.PCI

User Manual | 7202

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Summary of Contents for 7202

Page 1: ...1 Sealevel Systems Inc 7202 Manual SL9059 7 2021 COMM 232 PCI User Manual 7202 ...

Page 2: ... CARD SETUP 6 INSTALLATION 8 HARDWARE INSTALLATION 9 TECHNICAL DESCRIPTION 10 SPECIFICATIONS 12 APPENDIX A TROUBLESHOOTING 13 APPENDIX B HOW TO GET ASSISTANCE 15 APPENDIX C ELECTRICAL INTERFACE 16 APPENDIX D ASYNCHRONOUS COMMUNICATIONS 17 APPENDIX E SILK SCREEN 18 APPENDIX F COMPLIANCE NOTICES 19 WARRANTY 21 ...

Page 3: ...s a two channel PCI Bus serial I O adapter for the PC and compatibles It provides two RS 232 serial ports supporting data rates up to 460 8K bps The COMM 232 PCI works seamlessly with the standard operating system serial driver UART upgrades are available providing 32 64 and 128 byte FIFOs ...

Page 4: ...nventions Warning The highest level of importance used to stress a condition where damage could result to the product or the user could suffer serious injury Important The middle level of importance used to highlight information that might not seem obvious or a situation that could cause the product to fail Note The lowest level of importance used to provide background information additional tips ...

Page 5: ...The COMM 232 PCI factory default settings are as follows Port Clock Mode Port 1 DIV4 Port 2 DIV4 To install the COMM 232 PCI using factory default settings refer to Installation For your reference record installed ULTRA COMM 2 PCI settings below Port Clock Mode Port 1 Port 2 ...

Page 6: ...a unique clocking option that allows the end user to select from divide by 4 and divide by 1 clocking modes These modes are selected at Headers E1 and E2 To select the Baud rates commonly associated with COM ports i e 2400 4800 9600 19 2 115 2K Bps place the jumper in the divide by 4 mode silk screen DIV4 position DIV1 DIV4 DIV4 DIV1 E1 E2 Figure 1 Clocking Mode Divide By 4 To select the maximum d...

Page 7: ...s 300 bps 2400 bps 600 bps 4800 bps 1200 bps 9600 bps 2400 bps 19 2K bps 4800 bps 57 6 K bps 14 4K bps 115 2 K bps 28 8K bps 230 4K bps 57 6 K bps 460 8K bps 115 2 K bps If your communications package allows the use of Baud rate divisors choose the appropriate divisor from the following table For this Data Rate Choose this Divisor 1200 bps 384 2400 bps 192 4800 bps 96 9600 bps 48 19 2K bps 24 38 4...

Page 8: ...ver being loaded It will not cause any harm to your system 4 During setup the user may specify installation directories and other preferred configurations This program also adds entries to the system registry that are necessary for specifying the operating parameters for each driver An uninstall option is also included to remove all registry INI file entries from the system 5 The software is now i...

Page 9: ...for each port that must be set for proper operation 1 Turn off PC power Disconnect the power cord 2 Remove the PC case cover 3 Locate an available PCI slot and remove the blank metal slot cover 4 Gently insert the COMM 232 PCI into the slot Make sure that the adapter is seated properly 5 Replace the screw 6 Replace the cover 7 Connect the power cord Installation is complete ...

Page 10: ...tly called an IRQ short for Interrupt ReQuest In these early days of PC s Sealevel Systems decided that the ability to share IRQs was an important feature for any add in I O card Consider that in the IBM XT the available IRQs were IRQ0 through IRQ7 Of these interrupts only IRQ2 5 and IRQ7 were actually available for use This made the IRQ a very valuable system resource To make the maximum use of t...

Page 11: ...hannel 2 has an interrupt pending Bit Position 7 6 5 4 3 2 1 0 Value Read X X X X X X 1 0 Bit positions D7 D2 are not biased in anyway and may report back as either a 1 or a 0 When checking the ISP these bits should be masked Connector Pin Assignments RS 232 DB 9 Male Name Pin Mode TD Transmit Data 3 Output RTS Request To Send 7 Output DTR Data Term Ready 4 Output GND Ground 5 RD Receive Data 2 In...

Page 12: ...level 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 12VDC 12VDC 5 VDC Rating 50 mA 50 mA 480 mA Mean Time Between Failures Greater than 150 000 hours Calculated Physical Dimensions Board length 5 0 inches 12 7 cm Board height includ...

Page 13: ... is securely installed in a motherboard slot 4 When running DOS Windows 3 x or other operating systems refer to the Serial Utilities software for that operating system and the User Manual to verify that the Sealevel Systems adapter is configured correctly The supplied software contains a diagnostic program SSD that runs under DOS and will verify if an adapter is configured properly This diagnostic...

Page 14: ...Notice that with a two port card there will be three input output I O ranges listed With a four port card there will be five input output I O ranges listed The first I O range is for the PCI bus and should not be changed The second and third I O ranges are the ones that need to be changed in order to have those ports enumerated as COM 3 and COM 4 Double click on the second I O range which will all...

Page 15: ...web site Please refer to this to answer many common questions This section can be found at http www sealevel com faq asp 4 Sealevel Systems maintains a web page on the Internet Our home page address is www sealevel com The latest software updates and newest manuals are available via our web site 5 Technical support is available Monday to Friday from 8 00 a m to 5 00 p m eastern time Technical supp...

Page 16: ... Terminal Equipment and Data Circuit Terminating Equipment Employing Serial Binary Data Interchange Both implementations are in widespread use and will be referred to as RS 232 in this document RS 232 is capable of operating at data rates up to 20 Kbps at distances less than 50 ft The absolute maximum data rate may vary due to line conditions and cable lengths RS 232 is a single ended or unbalance...

Page 17: ...he character is defined by the transmission of a pre defined number of stop bits usually 1 1 5 or 2 An extra bit used for error detection is often appended before the stop bits Figure 3 Asynchronous Communications Bit Diagram This special bit is called the parity bit Parity is a simple method of determining if a data bit has been lost or corrupted during transmission There are several methods for ...

Page 18: ...18 Sealevel Systems Inc 7202 Manual SL9059 7 2021 Appendix E Silk Screen 3 5 5 0 3 175 ...

Page 19: ...er is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help EMC Directive Statement Products b...

Page 20: ... authority to operate the equipment The correction of interference caused by such unauthorized modifications substitutions or attachments will be the responsibility of the user 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 directives Canadian Radio Interference...

Page 21: ...nty Warranty service may be obtained by delivering the Product to Sealevel and providing proof of purchase Customer agrees to ensure the Product or assume the risk of loss or damage in transit to prepay shipping charges to Sealevel and to use the original shipping container or equivalent Warranty is valid only for original purchaser and is not transferable This warranty applies to Sealevel manufac...

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