Black Box IC478A-F-R2 Appendix A. RS-232C Pin Configurations, Direction Standard DCE Setting

Page 22

APPENDIX A: RS-232C Pin Configurations

Appendix A. RS-232C

Pin Configurations

DIRECTION

STANDARD “DCE” SETTING

DIRECTION

 

 

 

 

 

 

 

 

 

 

 

 

1- (FG) Frame Ground

 

 

 

 

 

 

 

 

 

 

 

 

2- (TD) Transmit Data

To Converter

 

 

 

 

 

 

 

 

 

 

3- RD) Receive Data

FromConverter

 

 

 

 

 

 

 

 

 

 

4- (RTS) Request to Send

To Converter

 

 

 

 

 

 

 

 

 

 

5- (CTS) Clear to Send

FromConverter

 

 

 

 

 

 

 

 

 

 

6- (DSR) Data Set Ready

FromConverter

 

 

 

 

 

To Converter

Data Term. Ready (DTR) - 20

 

 

 

7- (SG) Signal Ground

From Converter

 

 

 

 

 

 

 

 

 

 

8- (DCD) Data Carrier Detect

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIRECTION

STANDARD “DTE” SETTING

DIRECTION

 

 

 

 

 

 

 

1- (FG) Frame Ground

From Converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2- (TD) Transmit Data

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3- RD) Receive Data

To Converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4- (RTS) Request to Send

From Converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5- (CTS) Clear to Send

To Converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6- (DSR) Data Set Ready

To Converter

 

 

 

 

 

 

 

 

 

From Converter

Data Term. Ready (DTR) - 20

 

 

 

7- (SG) Signal Ground

To Converter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8- (DCD) Data Carrier Detect

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21

Image 22
Contents Async 232↔422/485 Converter TheCEsymbolonyourAsync232CE Notice Ser Cap Configuration Specifications Upto115,200bpsLb.0.5kg TheAsync232 IntroductionConfiguration Configuration DIP Switch S1Async 232↔422/485switchCONVERTER Configura ion Switch S1 Summary Table Position Function Factory DefaultReceivers Typical Switch Applications Switch Settings Installation Installation At all, f ip the a Leads atConverter RS-485 Device Firmlyit8 Cable11 DB25 S allationPage Appendix A. RS-232C Pin Configurations Direction Standard DCE SettingAppendix B /485 Pin Configuration TEReadyBnegativeThere’snotenoughoranypowertotheConverter.The Appendix C. Self-TestCopyright 1998. Black Box Corporation. All rights reserved