Black Box IC478A-F-R2, IC477A-F-R2, IC476A-F-R2 manual Installation, At all, f ip the a Leads at

Page 16

CHAPTER 4: Installation

2) It is not necessary that the RS-485 device adhere to the RS-530

standard. However, you must make sure that the signals, polarities, and

terminal

application

you

 

terminal

pairing of your connection conform to this table.

 

3) If you are not using two IC477A-X-R2s

r IC478A-X-R2s back to back

and

procedure

the previous page pr

duces garbage data (or none

at all), f ip the “A”

d “B” leads at

e end of he 485 connecti .

Ifblockstwires4he.1yourthe.2 won’t4.Coverter,youwill-TheRSWIRE-485pullfolowingbCocksONNECTIONooseand.instructionsfastenUrequiresSINGedthestraintoopenTtellERMINALyouhowtothecase-toreliefconnectBLOCKScollartoconect(IC476Aaccesstwoinplacepairsthe-Xofso-bareR2)barethatwiresthewiresto

If1. not,Youopenshouldthealreadycaseashavedescribdthecaseinopenfortheconfigurationprocedure.

Section 3.2.

end2. Strip.theouterinsulationfromthetwistedpairsaboutoneinchfromthe

eigh3. Sripthofbckaninchthe.insulationoneachofthetwotwisted-pairwiresaboutone

4.one pair of wires

15

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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
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