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

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ASYNC 232↔422/485 CONVERTER

ConfigurationSpecifications3.1Settingthe............................DTE/DCESwitch				..7589
32Introdction1.	Contents
2DIP-SwitchConfiguration				0
1DIP-SwitchSettings
2ConfigurationSwitchApplications..
3.2.3WhenYou’reFinishedConfiguring				13
4.Installation
4.1ConnectiontotheRS-485
1			InterfacethDB25(IC477Aor78A--	4
24		UsingTerminalBlocks(IC476A-X-R2)		5
4.1.32-WireConnection				8
2ConectiontotheRS-232Interface
3WiringforMultipointApplications
4.4OperationA.RS-............................................................................................232CPinCofigurations				190
B422/485(530)	Pin	Configuration
AppendixC.Self-Test				23

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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