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SeaLevel SIO4-104.485, User Manual

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SeaLevel SIO4-104.485 User Manual Download Page 12

12 

 

© Sealevel Systems, Inc.  3543 Manual   |   SL9119    9/2022 

Physical Connection 

The port signals for the 

SIO4-104.485 

are physically connected via a 40-pin box header. 

The following table shows connector P4’s pin-out. 

 

Port

 

P4

 

Signal Name RS-422

 

Signal Name RS-485

 

4

 

1 

RX4+ 

DATA4+ 

3 

RX4 - 

DATA4- 

5 

TD4 - 

 

7 

TD4+ 

 

9 

GND4 

GND4 

 

3

 

10 

GND3 

GND3 

12 

TD3+ 

 

14 

TD3- 

 

16 

RX3- 

DATA3- 

18 

RX3+ 

DATA3+ 

 

2

 

19 

RX2+ 

DATA2+ 

21 

RX2- 

DATA2- 

23 

TD2- 

 

25 

TD2+ 

 

27 

GND2 

GND2 

 

1

 

28 

GND1 

GND1 

30 

TD1+ 

 

32 

TD1- 

 

34 

RX1- 

DATA1- 

36 

RX1+ 

DATA1+ 

 

 

All pins not listed are no contacts. 

 

 

Summary of Contents for SIO4-104.485

Page 1: ...1 Sealevel Systems Inc 3543 Manual SL9119 9 2022 SIO4 104 485 User Manual 3543...

Page 2: ...GET STARTED 4 CARD SETUP 6 SOFTWARE INSTALLATION 9 PHYSICAL INSTALLATION 11 ELECTRICAL CHARACTERISTICS 14 APPENDIX A TROUBLESHOOTING 15 APPENDIX B HOW TO GET ASSISTANCE 16 APPENDIX C ELECTRICAL INTERF...

Page 3: ...ed for Multi Drop or Party line operations selecting data from multiple peripherals as many as 31 devices can be connected on an RS 485 bus The SIO4 104 485 is designed to be used with a variety of Op...

Page 4: ...ns 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...

Page 5: ...des a DB37 to 4 DB9 male connectors via a 36 inch Spider cable IDC40 to 18 IDC40 Ribbon Cable and IDC40 to 4 DB9 Male Terminal Block Item Number CA222 TB10 This combination of cables also terminates t...

Page 6: ...0 4240 4250 Interrupt Modes DIP Switch positions S and M on switch SW1 selects the interrupt mode for each adapter With the S selected the adapter is in a S hared interrupt mode which allows more than...

Page 7: ...scillator value 14 7456 MHz should be entered into the Advanced Tab on 95 98 Me 2000 XP Device Manager applet Typically this is done automatically when the Sealevel Software driver is loaded When usin...

Page 8: ...ble RS 485 is backwardly compatible with RS 422 however it is optimized for party line or multi drop applications The output of the RS 422 485 driver is capable of being active enabled or tri state di...

Page 9: ...The SIO4 104 485 automatically suppresses this Echo Software Installation Windows Installation Do not install the Adapter in the machine until the software has been fully installed Only users running...

Page 10: ...as 7 Zip to extract the tar gz file In addition the software selectable interface settings can be accessed by referencing seacom utilities 3543mode 3rd Party Software Support Third party software sup...

Page 11: ...installed 1 Turn off PC power Disconnect the power cord 2 Remove the case cover if applicable 3 Gently insert the SIO4 104 485 connector noting proper key orientation of the expansion connector on a P...

Page 12: ...eader The following table shows connector P4 s pin out Port P4 Signal Name RS 422 Signal Name RS 485 4 1 RX4 DATA4 3 RX4 DATA4 5 TD4 7 TD4 9 GND4 GND4 3 10 GND3 GND3 12 TD3 14 TD3 16 RX3 DATA3 18 RX3...

Page 13: ...en using any of these optional cables RS 422 Signal Name Pin Mode GND Ground 5 TX Transmit Data Positive 4 Output TX Transmit Data Negative 3 Output RX Receive Data Positive 1 Input RX Receive Data Ne...

Page 14: ...Receiver Outputs Individual Driver and Receiver Enables Wide Positive and Negative Input Output Bus Voltage Ranges Driver Output Capability 60 mA Max Thermal Shutdown Protection Driver Positive and N...

Page 15: ...No two adapters can occupy the same I O address 4 Try the Sealevel Systems adapter with a unique IRQ While the Sealevel Systems adapter does allow the sharing of IRQs many other adapters i e SCSI ada...

Page 16: ...eb 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...

Page 17: ...or RS 485 RS 485 is backwardly compatible with RS 422 however it is optimized for party line or multi drop applications The output of the RS 422 485 driver is capable of being Active enabled or Tri St...

Page 18: ...f the 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 Asynchronous Communi...

Page 19: ...19 Sealevel Systems Inc 3543 Manual SL9119 9 2022 Appendix E Silk Screen 3543 PCB...

Page 20: ...this warranty 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 tran...

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