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© Sealevel Systems, Inc. 

- 8 - 

ULTRA 530.LPCI User Manual

 

 

 

Baud Rates 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 

150 bps 

2400 bps 

300 bps 

4800 bps 

600 bps 

9600 bps 

1200 bps 

19.2K bps 

2400 bps 

57.6 K bps 

7200 bps 

115.2 K bps 

14.4 K bps 

230.4K bps 

28.8 K bps 

460.8K bps 

57.6K bps 

921.6K bps 

115.2K 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 

768 

2400 bps 

384 

4800 bps 

192 

9600 bps 

96 

19.2K bps 

48 

38.4K bps 

24 

57.6K bps 

16 

115.2K bps 

4 

230.4K bps 

3 

460.8K bps 

2 

921.6K bps 

1 

 
 

Isochronous Clocking Jumpers 

The Oxford Semiconductor 16C950 allows for the reception of both transmit and 
receive clocks for isochronous communications (for a discussion on isochronous 
clocking refer to the Technical Description section). The header that provides the 
selection of either a modem control signal or the clock option is header E3. 

 

 

Figure 12 - Header E3, Clocking and Modem control signal selection 

Содержание ULTRA 530.LPCI

Страница 1: ...www sealevel com PO Box 830 Liberty SC 29657 864 843 4343 ULTRA 530 LPCI User Manual Part Number 7106 ...

Страница 2: ... CLOCK MODES 7 CLOCK MODES 7 BAUD RATES AND DIVISORS FOR THE DIV1 MODE 8 ISOCHRONOUS CLOCKING JUMPERS 8 SOFTWARE INSTALLATION 9 PHYSICAL INSTALLATION 11 TECHNICAL DESCRIPTION 12 ISOCHRONOUS COMMUNICATIONS 12 CONNECTOR PIN ASSIGNMENTS 12 ELECTRICAL CHARACTERISTICS 14 FEATURES 14 SPECIFICATIONS 14 APPENDIX A TROUBLESHOOTING 15 APPENDIX B HOW TO GET ASSISTANCE 16 APPENDIX C ELECTRICAL INTERFACE 17 AP...

Страница 3: ...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 The ULTRA 530 LPCI ships with a Low Profile PCI bracket that will only work in a Low Pro...

Страница 4: ...25 Female to DB25 Male Extension Cable DB25 Female RS 530 to DB9 Male RS 422 Cable Part Number CA175 10 cable converts any DB25 Male RS 530 Async Adapter to the Sealevel RS 422 DB9 Male pinout Useful in situations where cabling is already in place for the Sealevel DB9 implementation of RS 422 DB25 Female to DB37 Male Cable Part Number CA107 10 DB25 Female RS 530 to DB37 Male RS 449 DTE Cable RS 53...

Страница 5: ...river circuit The selections are Auto enable silk screen AT The Auto enable feature automatically enables disables the RS 485 interface via on board circuitry RTS enable silk screen RT The RTS mode uses the RTS modem control signal to enable the RS 485 interface and provides backward compatibility with existing software products DTR enable silk screen DT The DTR mode uses the DTR modem control sig...

Страница 6: ... 485 Mode Examples Header E5 Figure 1 Header E5 RS 422 Figure 2 Header E5 RS 485 Auto Enabled with No Echo Figure 3 Header E5 RS 485 Auto Enabled with Echo Figure 4 Header E5 RS 485 RTS Enabled with No Echo Figure 5 Header E5 RS 485 RTS Enabled with Echo ...

Страница 7: ...hm pull up pull down combination that biases the receiver inputs Header E4 allows customization of this interface to specific requirements Each jumper position corresponds to a specific portion of the interface If multiple ULTRA 530 LPCI adapters are configured in an RS 485 network only the boards on each end should have jumpers T P P ON Refer to the following table for each position s operation N...

Страница 8: ...RA 530 LPCI has the ability to be used in either RS 232 or RS 422 485 This is selectable via two 24 pin DIP shunts at E1and E2 Please use the following illustration to aid in the configuration of your electrical interface Figure 8 Headers E1 E2 RS 232 Selected Figure 9 Headers E1 E2 RS 422 485 Selected ...

Страница 9: ... 1 clocking modes These modes are selected at Header E6 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 8 mode silk screen D8 Figure 10 Clocking Mode Divide By 8 To select the maximum data rate 921 6K bps place the jumper in the divide by 1 silk screen D1 position Figure 11 Clocking Mode Divide By 1 ...

Страница 10: ...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 768 2400 bps 384 4800 bps 192 9600 bps 96 19 2K bps 48 38 4K bps 24 57 6K bps 16 115 2K bps 4 230 4K bps 3 460 8K bps 2 921 6K bps 1 Isochronous Clocking Jumpers The Oxford Semiconductor 16C950 allows for the reception of both transmit and receive clo...

Страница 11: ...t follow 7 A screen may appear with the declaration The publisher cannot be determined due to the problems below Authenticode signature not found Please select the Yes button and proceed with the installation This declaration simply means that the Operating System is not aware of the driver being loaded It will not cause any harm to your system 8 During setup the user may specify installation dire...

Страница 12: ... your home directory by typing cp seaio tar gz 5 Change to your home directory by typing cd 6 Unmount the drive and then Unzip and Untar the drivers and software by typing umount cdrom tar xvzf seaio tar gz 7 Change to the SeaIO directory by typing cd SeaIO 8 Now compile and prepare the drivers for use make install 9 With the system off and unplugged install your SeaIO PCI card 10 Plug system back...

Страница 13: ...k metal slot cover 4 Gently insert the PCI adapter into the slot Make sure that the adapter is seated properly 5 After the adapter has been installed the cables should be routed thru the opening in the bracket This bracket also features a strain relief function that should be used to prevent un expected cable removal 6 Replace the screw you removed for the blank and use it to secure the adapter in...

Страница 14: ...re literally not clocked The same dictionary defines isochronous as uniform in time having equal duration and recurring at regular intervals In this implementation of serial communications isochronous is defined as asynchronous framing i e start stop and parity bits with the addition of a clock signal This scheme allows for much higher data rates and the use of digital lines i e ISDN T1 where a cl...

Страница 15: ...t TDA TX Transmit Negative 2 Output RTSB RTS Request To Send Positive 19 Output RTSA RTS Request To Send Negative 4 Output DTRB DTR Data Terminal Ready Positive 23 Output DTRA DTR Data Terminal Ready Negative 20 Output TXCB TXC Transmit Clock Positive 12 Input TXCA TXC Transmit Clock Negative 15 Input RXCB RXC Receive Clock Positive 9 Input RXCA RXC Receive Clock Negative 17 Input TSETB TSET Termi...

Страница 16: ...ble Automatic RS 485 enable disable Specifications Temperature Range Operating 0 C 70 C Storage 50 C 105 C Power Requirements 12VDC 50mA 12VDC 50mA 5VDC 480mA Physical Dimensions PCB Length 4 7 12 0 cm PCB Length 2 5 6 4 cm including Gold fingers Manufacturing All Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are 100 electrically tested These printed circuit boards are so...

Страница 17: ... cause the BIOS or OS to reassign the resources 6 Make sure the Sealevel Systems adapter is securely installed in a motherboard slot 7 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 D software seacom Other DOS DIAG where D the driver lett...

Страница 18: ...wer many common questions This section can be found at http www sealevel com faq asp Sealevel Systems maintains a Home page on the Internet Our home page address is http www sealevel com The latest software updates and newest manuals are available via our FTP site that can be accessed from our home page Technical support is available Monday to Friday from 8 00 a m to 5 00 p m eastern time Technica...

Страница 19: ...e lengths RS 422 is rated up to 10 Megabits per second and can have cabling 4000 feet long RS 422 also defines driver and receiver electrical characteristics that will allow 1 driver and up to 32 receivers on the line at once RS 422 signal levels range from 0 to 5 volts RS 422 does not define a physical connector RS 485 RS 485 is backwardly compatible with RS 422 however it is optimized for partyl...

Страница 20: ...e 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 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 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 ...

Страница 21: ... Sealevel Systems Inc 19 ULTRA 530 LPCI User Manual Appendix E Silk Screen 7106 PCB 2 536 4 721 ...

Страница 22: ...MC 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 equipment EN55024 Information...

Страница 23: ...urn authorization must be obtained from Sealevel Systems before returned merchandise will be accepted Authorization is obtained by calling Sealevel Systems and requesting a Return Merchandise Authorization RMA number The Customer agrees to insure 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 equivale...

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