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IC485+I Users Manual Part Number 1103 Sealevel Systems, Inc. Telephone: 864.843.4343 PO Box 830 Fax: 864.843.3067 Liberty, SC 29657 USA www

Installation Sealevel Systems IC485+I Page 8 Other Operating Systems Linux includes a full-featured serial driver that includes support not found in

Technical Description Sealevel Systems IC485+I Page 9 Technical Description The Sealevel Systems IC485+I converts an existing RS-232 serial port int

Specifications Sealevel Systems IC485+I Page 10 Specifications Environmental Specifications Specification Operating Storage Temperature Range 0º to

Appendix A - Troubleshooting Sealevel Systems IC485+I Page 11 Appendix A - Troubleshooting Serial Utility test software is supplied with the Sealeve

Appendix B - How To Get Assistance Sealevel Systems IC485+I Page 12 Appendix B - How To Get Assistance Please refer to Troubleshooting Guide prior

Appendix C – Electrical Interface Sealevel Systems IC485+I Page 13 Appendix C - Electrical Interface RS-232 Quite possibly the most widely used comm

Appendix D - Asynchronous Communications Sealevel Systems IC485+I Page 14 Appendix D - Asynchronous Communications Serial data communications impli

Appendix E - Ground Loop Phenomenon Sealevel Systems IC485+I Page 15 Appendix E - Ground Loop Phenomenon What is Ground Loop? Ground loop Phenomenon

Appendix F - Silk-Screen Sealevel Systems IC485+I Page 16 Appendix F - Silk-Screen 2.688 in2.078 in

Appendix G - Compliance Notices Sealevel Systems IC485+I Page 17 Appendix G - Compliance Notices Federal Communications Commission Statement FCC - T

Contents INTRODUCTION ...

Warranty Sealevel Systems IC485+I Page 18 Warranty Sealevel's commitment to providing the best I/O solutions is reflected in the Lifetime Warra

Introduction Sealevel Systems IC485+I Page 1 Introduction Overview The Sealevel Systems IC485+I is an isolated single channel RS-232 to RS-422/485

Card Setup Sealevel Systems IC485+I Page 2 Card Setup RS-485 Enable Modes RS-485 is ideal for multi-drop or network environments. RS-485 requires a

Card Setup Sealevel Systems IC485+I Page 3 Communication Mode Examples (Dip switch SW1) ON12OFF Figure 1- Dip switch SW1, RS-422 ON12OFF Figure 2

Card Setup Sealevel Systems IC485+I Page 4 Line Termination and Receiver Echo Off/On Typically, each end of the RS-485 bus must have a line-terminat

Card Setup Sealevel Systems IC485+I Page 5 Electrical Interface Examples (DIP switch SW2) ON12OFF3456 Figure 6 – RS-422 with Termination and Receive

Installation Sealevel Systems IC485+I Page 6 Operating System Installation (For Windows Users) RS-422/RS-485 Four Wire Master/RS-485 Two Wire Auto M

Installation Sealevel Systems IC485+I Page 7 The last method is ‘Data Enable’ which uses the transmitted data stream to enable the transmitter and r