RS485与 232 笔记

RS485 232 noteRS-422 and RS-485 Application Note

B&B Electronics Mfg. Co. Inc.
P.O. Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 434-7094

Internet Addresses: B&B Home Page: http://www.bb-elec.com Customer Service: sales@bb-elec.com Technical Support: techsupt@bb-elec.com

B&B Electronics - Revised October 1997

RS-422/485 Application Note
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350 PH (815) 433-5100 -- FAX (815) 434-7094

Cover Page

Table of Contents
CHAPTER 1: OVERVIEW ........................................................................... 1 INTRODUCTION ............................................................................................. 1 DATA TRANSMISSION SIGNALS ...................................................................... 1 Unbalanced Line Drivers ..