SeaLevel COMM+4.PCI, User Manual

Page 1: ...Part 7404 Sealevel Systems Inc 155 Technology Place P O Box 830 Liberty SC 29657 USA Phone 864 843 4343 FAX 864 843 3067 www sealevel com COMM 4 PCI USER MANUAL TM ...

Page 2: ...indows Users 6 Other Operating Systems 6 SYSTEM INSTALLATION 6 TECHNICAL DESCRIPTION 7 CONNECTOR PIN ASSIGNMENTS 7 RS 422 485 DB 9 Male 7 DB 9 RS 232 DB 9 Male 7 SPECIFICATIONS 8 ENVIRONMENTAL SPECIFICATIONS 8 MANUFACTURING 8 POWER CONSUMPTION 8 MEAN TIME BETWEEN FAILURES MTBF 8 PHYSICAL DIMENSIONS 8 APPENDIX A TROUBLESHOOTING 9 APPENDIX B HOW TO GET ASSISTANCE 10 APPENDIX C ELECTRICAL INTERFACE 1...

Page 3: ...ermination resistor in circuit 3 Figure 3 Switches SW1 SW4 RS 485 Auto Enabled with Echo and no termination resistor in circuit 3 Figure 4 Switches SW1 SW4 RS 485 RTS Enabled with No Echo and no termination resistor in circuit 4 Figure 5 Switches SW1 SW4 RS 485 RTS Enabled with Echo and no termination resistor in circuit 4 Figure 6 Asynchronous Communications Bit Diagram 13 2001e Sealevel Systems ...

Page 4: ...th RS 485 and RS 422 modes the card works seamlessly with the standard operating system serial driver In RS 485 mode our special auto enable feature allows the RS 485 ports to be viewed by the operating system as a COM port This allows the standard COM driver to be utilized for RS 485 communications Our on board hardware automatically handles the RS 485 driver enable What s Included The COMM 4 PCI...

Page 5: ... feature automatically enables disables the RS 485 interface The RTS mode uses the RTS modem control signal to enable the RS 485 interface and provides backward compatibility with existing software products Position 3 silk screen NE of these switches is used to control the RS 485 enable disable functions for the receiver circuit and determine the state of the RS 422 485 driver The RS 485 Echo is t...

Page 6: ...tches SW1 SW4 RS 422 Figure 2 Switches SW1 SW4 RS 485 Auto Enabled with No Echo and the termination resistor in circuit Figure 3 Switches SW1 SW4 RS 485 Auto Enabled with Echo and no termination resistor in circuit 1 2 3 4 ON OFF AT RT NE T 1 2 3 4 ON OFF AT RT NE T 1 2 3 4 ON OFF AT RT NE T ...

Page 7: ... Figure 5 Switches SW1 SW4 RS 485 RTS Enabled with Echo and no termination resistor in circuit Address and IRQ selection The COMM 4 PCI is automatically assigned resources by your motherboard BIOS Only the I O addresses may be modified by the user Adding or removing other hardware may change the assignment of I O addresses and IRQs 1 2 3 4 ON OFF AT RT NE T 1 2 3 4 ON OFF AT RT NE T ...

Page 8: ...and Divisors for the DIV1 mode The following table shows some common data rates and the rates you should choose to match them if using the adapter in the DIV1 mode For this Data Rate Choose this Data Rate 1200 bps 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 communicat...

Page 9: ...Installation The COMM 4 PCI can be installed in any of the PCI expansion slots and contains configuration options 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 4 PCI into the slot Make sure that the adapter is seated properly 5...

Page 10: ... RTS Request To Send Positive 6 Output RTS Request To Send Negative 7 Output RX Receive Data Positive 1 Input RX Receive Data Negative 2 Input CTS Clear To Send Positive 9 Input CTS Clear To Send Negative 8 Input DB 9 RS 232 DB 9 Male Signal Name Pin Mode GND Ground 5 TD Transmit Data 3 Output RTS Request To Send 7 Output DTR Data Terminal Ready 4 Output RD Receive Data 2 Input CTS Clear To Send 8...

Page 11: ...Systems Printed Circuit boards are built to U L 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 12 VDC 12 VDC 5 VDC Rating 60 mA 100 mA 620 mA Mean Time Between Failures MTBF Greater than 150 000 hours Calculated Physical Dimensions Board length 6 5 inches 16 51 cm Board Height in...

Page 12: ...the sharing of IRQs many other adapters i e SCSI adapters on board serial ports do not The IRQ is typically selected via an on board header block Refer to the section on Card Setup for help in choosing an I O address and IRQ 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 Ma...

Page 13: ... computer ready to run diagnostics 3 Sealevel Systems maintains a Home page on the Internet Our home page address is www sealevel com The latest software updates and newest manuals are available via our FTP site that can be accessed from our home page 4 Technical support is available Monday thru Friday from 8 00 a m to 5 00 p m eastern time Technical support can be reached at 864 843 4343 RETURN A...

Page 14: ...meaning that a single electrical signal is compared to a common signal ground to determine binary logic states A voltage of 12 volts usually 3 to 10 volts represents a binary 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...

Page 15: ... drivers and 32 receivers to be connected to one line This interface is ideal for multi drop or network environments RS 485 tri state driver not dual state will allow the electrical presence of the driver to be removed from the line Only one driver may be active at a time and the other driver s must be tri stated RS 485 can be cabled in two ways two wire and four wire mode Two wire mode does not a...

Page 16: ...n 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 Remain Idle or next start bit Odd Even or Unused STOP P BIT 5 to 8 Data Bits Idle state of line 1 0 1 1 5 2 Figure 6 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 lo...

Page 17: ...Appendix E Silk Screen Sealevel Systems COMM 4 PCI Page 14 Appendix E Silk Screen 4 2 6 5 ...

Page 18: ...rence at his own expense EMC Directive Statement Products bearing the CE Label fulfill the requirements of the EMC directive 89 336 EEC and of the low voltage directive 73 23 EEC issued by the European Commission To obey these directives the following European standards must be met EN55022 Class A Limits and methods of measurement of radio interference characteristics of information technology equ...

Page 19: ...se misuse of or inability to use this product Sealevel Systems will not be liable for any claim made by any other related party RETURN AUTHORIZATION MUST BE OBTAINED FROM SEALEVEL SYSTEMS BEFORE RETURNED MERCHANDISE WILL BE ACCEPTED AUTHORIZATION CAN BE OBTAINED BY CALLING SEALEVEL SYSTEMS AND REQUESTING A RETURN MERCHANDISE AUTHORIZATION RMA NUMBER Sealevel Systems Incorporated 155 Technology Pla...