B&B Electronics manual RS-422/RS-485 CONNECTIONS/OPERATION

CHAPTER 6: RS-422/RS-485 CONNECTIONS/OPERATION	..... 45
RS-422/485 PINOUTS	45
RS-422 & RS-485 DIFFERENTIAL SIGNALS	47
RS-422 OPERATION	47
RS-485 OPERATION	48
DTR OPERATION IN RS-485 MODE	48
RS-485 NETWORK BIASING	49
CHAPTER 7: TROUBLESHOOTING	51
APPENDIX A: JUMPER/MODE TABLES	A-1
APPENDIX B: CONNECTOR PINOUTS	B-1
APPENDIX C: TROUBLESHOOTING WITH COMTEST	C-1
APPENDIX D: DECLARATION OF CONFORMITY	D-1

ii Table of Contents Documentation Number 3PCIO1-0903 Manual

B&B Electronics Mfg Co – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 B&B Electronics Ltd – Westlink Comm. Pk. – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445