ULTRA 485™ USER MANUAL Part #3055 Sealevel Systems, Inc. Telephone: (864) 843-4343 PO Box 830
Card Setup Sealevel Systems ULTRA-485 Page 7 Connector Pin Assignments EIA-530 DIP-shunt E4 selects the pin out for the DB-25 connector P3. With the
Card Setup Sealevel Systems ULTRA-485 Page 8 SIO-485 With the 5-position shunt in the SIO-485 mode, the ULTRA 485 is compatible with the Sealevel Sy
Card Setup Sealevel Systems ULTRA-485 Page 9 Line Termination Typically, each end of the RS-485 bus must have line terminating resistors (RS-422 term
Installation Sealevel Systems ULTRA-485 Page 10 Installation Operating System Installation For Windows Users Start by choosing Install Software at t
Technical Description Sealevel Systems ULTRA-485 Page 11 Technical Description The ULTRA 485 utilizes the 16550 UART. This chip features programmabl
Specifications Sealevel Systems ULTRA-485 Page 12 Specifications Environmental Specifications Specification Operating Storage Temperature Range 0º t
Appendix A - Troubleshooting Sealevel Systems ULTRA-485 Page 13 Appendix A - Troubleshooting Serial Utility test software is supplied with the Seale
Appendix A - Troubleshooting Sealevel Systems ULTRA-485 Page 14 8. The following are known I/O conflicts: • The 278 and 378 settings may conflict
Error! Reference source not found. Sealevel Systems ULTRA-485 Page 15 Appendix B - How To Get Assistance Please refer to Troubleshooting Guide prio
Appendix C - Electrical Interface Sealevel Systems ULTRA-485 Page 16 Appendix C - Electrical Interface RS-530 RS-530 (a.k.a. EIA-530) compatibility
Contents INTRODUCTION ... 1 OVERVIEW...
Appendix C - Electrical Interface Sealevel Systems ULTRA-485 Page 17 RS-485 RS-485 is backwardly compatible with RS-422; however, it is optimized f
Appendix D - Asynchronous Communications Sealevel Systems ULTRA-485 Page 18 Appendix D - Asynchronous Communications Serial data communications imp
Appendix E - Silk-Screen Sealevel Systems ULTRA-485 Page 19 Appendix E - Silk-Screen
Appendix F - Compliance Notices Sealevel Systems ULTRA-485 Page 20 Appendix F - Compliance Notices Federal Communications Commission Statement FCC -
Warranty Sealevel Systems ULTRA-485 Page 21 Warranty Sealevel Systems, Inc. provides a limited lifetime warranty. Should this product fail to be in
APPENDIX F - COMPLIANCE NOTICES ... 20 FEDERAL COMMUNICATIONS COMMISSION STATEMENT...20 EMC DIRECTIVE STATE
Introduction Sealevel Systems ULTRA-485 Page 1 Introduction Overview The Sealevel Systems ULTRA 485 provides the PC with an additional RS-422/485 ser
Card Setup Sealevel Systems ULTRA-485 Page 2 Card Setup The ULTRA 485 contains several jumper straps that must be set for proper operation. Address
Card Setup Sealevel Systems ULTRA-485 Page 3 IRQ Selection Header E1 selects the interrupt request for each serial port. If COM1: is selected, the co
Card Setup Sealevel Systems ULTRA-485 Page 4 Interrupt Modes Header E2 selects the interrupt mode for the ULTRA 485. ‘N’ indicates the (N)ormal, sin
Card Setup Sealevel Systems ULTRA-485 Page 5 RS-485 Enable Modes RS-485 is ideal for multi-drop or network environments. RS-485 requires a tri-state
Card Setup Sealevel Systems ULTRA-485 Page 6 Header E3 is used to control the RS-485 enable/disable functions for the receiver circuit. The RS-485 ‘
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