Black Box IC478A-M-R2, IC477A-F-R2 manual TEReadyBnegative, Appendix B /485 Pin Configuration

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IC478ATheASYNCpinout-F232-R2,below↔IC478A422/485applies-M-CONVERTERR2tomodels.IC477A-F-R2,IC477A-M-R2,

Appendix B. 422/485 (530)

Pin Configuration

Pin Number13264								XB(negative)
Pin Number13264							RTRTPinApositive)Name
4										*





5								TSA(positive)
5								TSA(positive)
6							DCE		A(posiive)
6							DCE		A(posiive)
80							Rcv..LineReadySignalDetectBA(negati(posive)*


			3				C
			3				C
		19					R	SB(negative)*
		19					R	SB(negative)*
			0					TE	Apositive)
			0					TE	Apositive)
			2					C
			2					C
		23					DTEReadyB(negative)

*Hasdiagraminternal. functionaswellasbeingloopedtotheassociatedpininthe

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Contents Async 232↔422/485 Converter TheCEsymbolonyourAsync232CE Notice Ser Cap Configuration Upto115,200bps SpecificationsLb.0.5kg Introduction TheAsync232Configuration DIP Switch S1 ConfigurationAsync 232↔422/485switchCONVERTER Switch S1 Summary Table Position Function Factory Default Configura ionReceivers Typical Switch Applications Switch Settings Installation At all, f ip the a Leads at InstallationConverter RS-485 Device Firmlyit8 Cable11 S allation DB25Page Direction Standard DCE Setting Appendix A. RS-232C Pin ConfigurationsTEReadyBnegative Appendix B /485 Pin ConfigurationAppendix C. Self-Test There’snotenoughoranypowertotheConverter.TheCopyright 1998. Black Box Corporation. All rights reserved