Black Box IC477A-M-R2, IC477A-F-R2, IC476A-F-R2, IC476A-M-R2, IC478A-F-R2 TheAsync232, Introduction

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TheAsync232

CHAPTER 2: Introduction

2. Introduction

compactConvertertwoThepollingunconditionedConverterpackagesupportspasses.422/485Requiringunshilded,asynchrooneConvertercontrolnoussolidACsignaldatapower-providescopperratterminalorbateries-achupcoreexceptionaltodirectiontwisted115.for2Kbpspairversatilty(seeoeration,.explanationoveroneintheaor

bympedancemode)TheconnectorsterminalRTS,”Converterscti.environmentRTS/CTSdelayblockwithand4foroperation,.4)theRSandcan-unit232canstraineliefbe.The.caorderedFormayhandlerriernConvertermayoperateRSbemaybe-485/530upsetfororwithtoDB25witheither31set“nodely”orconnction,tomalorbewithout“constantlymaleconfiguredwattsordropsfemaleorechofemale8youmilisecondson”in(halfforhigh(dependingcanaDB25ormultipoint-ofduplex“controlledrerprotection-or.eitherlowthe- model).SiliconAvalancheDiodseprovide600 perwire againstharmfuldata-linetransintsurges.

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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