Impulse 3440 Manual de usuario Pagina 1

ULTRA COMM+422™ USER MANUAL Part #3055 Sealevel Systems, Inc. Telephone: (864) 843-4343 PO Box 830 Fax: (864) 843-3067 Liberty

Card Setup Sealevel Systems ULTRA COMM+422 Page 7 Interface Mode Examples J1D – J4D ATRTNE Figure 6- Headers J1D- J4D, RS-422 ATRTNE Figure 7 - Heade

Card Setup Sealevel Systems ULTRA COMM+422 Page 8 Interface Mode Examples J1D – J4D (continued) ATRTNE Figure 9 - Headers J1D- J4D, RS-485 ‘RTS’ Enab

Card Setup Sealevel Systems ULTRA COMM+422 Page 9 Line Termination Typically, each end of the RS-485 bus must have line terminating resistors (RS-42

Card Setup Sealevel Systems ULTRA COMM+422 Page 10 Clock Modes The ULTRA COMM+422 employs a unique clocking option that allows the end user to selec

Card Setup Sealevel Systems ULTRA COMM+422 Page 11 Baud Rates and Divisors for the ‘Div1’ mode The following table shows some common data rates and t

Card Setup Sealevel Systems ULTRA COMM+422 Page 12 Baud Rates and Divisors for the ‘Div2’ mode The following table shows some common data rates and t

Installation Sealevel Systems ULTRA COMM+422 Page 13 Installation The ULTRA COMM+422 can be installed in any of the PC expansion slots. The ULTRA CO

Technical Description Sealevel Systems ULTRA COMM+422 Page 14 Technical Description The ULTRA COMM+422 utilizes the 16550 UART. This chip features p

Technical Description Sealevel Systems ULTRA COMM+422 Page 15 Interrupts A good description of an interrupt and it’s importance to the IBM PC can be

Technical Description Sealevel Systems ULTRA COMM+422 Page 16 Why use an ISP? The answer to the polling inefficiency was the Interrupt Status Port (

Contents INTRODUCTION ... 1 OVERVIEW...

Technical Description Sealevel Systems ULTRA COMM+422 Page 17 Connector Pin Assignments DB-9 Pin Assignments Signal Name Pin # Mode GND Ground 5 T

Specifications Sealevel Systems ULTRA COMM+422 Page 18 Specifications Environmental Specifications Specification Operating Storage Temperature Range

Appendix A - Troubleshooting Sealevel Systems ULTRA COMM+422 Page 19 Appendix A - Troubleshooting A Serial Utility Diskette is supplied with the Sea

Appendix A - Troubleshooting Sealevel Systems ULTRA COMM+422 Page 20 8. The following are known I/O conflicts: • The 278 and 378 settings may con

Appendix B – How To Get Assistance Sealevel Systems ULTRA COMM+422 Page 21 Appendix B - How To Get Assistance Please refer to Troubleshooting Guide

Appendix C - Electrical Interface Sealevel Systems ULTRA COMM+422 Page 22 Appendix C - Electrical Interface RS-422 The RS-422 specification defines

Appendix D - Asynchronous Communications Sealevel Systems ULTRA COMM+422 Page 23 Appendix D - Asynchronous Communications Serial data communication

Appendix E - Silk-Screen Sealevel Systems ULTRA COMM+422 Page 24 Appendix E - Silk-Screen 4.2"8.0"3.9"

Appendix F - Compliance Notices Sealevel Systems ULTRA COMM+422 Page 25 Appendix F - Compliance Notices Federal Communications Commission Statement

Warranty Sealevel Systems ULTRA COMM+422 Page 26 Warranty Sealevel Systems, Inc. provides a limited lifetime warranty. Should this product fail to

APPENDIX D - ASYNCHRONOUS COMMUNICATIONS ... 23 APPENDIX E - SILK-SCREEN ... 24 APPENDIX F - CO

Introduction Sealevel Systems ULTRA COMM+422 Page 1 Introduction Overview The Sealevel Systems ULTRA COMM+422 provides the PC with four additional RS

Card Setup Sealevel Systems ULTRA COMM+422 Page 2 Card Setup The ULTRA COMM+422 contains several jumper straps, which must be set for proper operatio

Card Setup Sealevel Systems ULTRA COMM+422 Page 3 The second mode of address selection provides the compatibility mode. In this mode the DIP-switch

Card Setup Sealevel Systems ULTRA COMM+422 Page 4 Jumper Selections For ease of configuration, the headers are grouped by port. Port one headers hav

Card Setup Sealevel Systems ULTRA COMM+422 Page 5 Interrupt Modes Headers J1A through J4A select the interrupt modes for each port. Each port must

Card Setup Sealevel Systems ULTRA COMM+422 Page 6 RS-485 Enable Modes RS-485 is ideal for multi-drop or network environments. RS-485 requires a tri-s