Black Box IC476A-F-R2, IC476A-M-R2, IC477A-F-R2, IC477A-M-R2, IC478A-F-R2, IC478A-M-R2

ASYNC 232↔422/485 CONVERTER

↔

DCE DTE

+RCV-G-XMT+

3. Configuration

DTE/DCE Switch

Terminal Block

Contents

Main FEBRUARY 1998 IC476A-F-R2 IC477A-M-R2 IC476A-M-R2 IC478A-F-R2 IC477A-F-R2 IC478A-M-R2 Async 232422/485 Converter Page Page Page Page CHAPTER 1: Specifications 1. Specifications Page Page Page Page Page CHAPTER 3: Configuration Switch S1 Summary Table Position Function Factory Default Page CHAPTER 3: Configuration Typical Switch Applications Switch Settings Point-to-Point Multipoint 4W 4W HDX 2W 4W 2W 4. Installation 4.1 Connection to the RS-485 Interface Converter RS-485 (530) Device Signal DB25 Pin DB25 Pin Signal NOTES CHAPTER 4: Installation Converter RS-485 Device IMPORTANT! Page Converter Signal RS-485 Signal IMPORTANT! Page Page APPENDIX A: RS-232C Pin Configurations STANDARD DTE SETTINGDIRECTION DIRECTION DIRECTION DIRECTIONSTANDARD DCE SETTING Appendix A. RS-232C Pin Configurations

Black Box manual - page 9

Models: IC476A-F-R2 IC476A-M-R2 IC477A-F-R2 IC477A-M-R2 IC478A-F-R2 IC478A-M-R2