Black Box IC478A-M-R2, IC477A-F-R2, IC476A-F-R2, IC477A-M-R2 manual Async 232↔422/485switchCONVERTER

Page 11

4screwdrivermodeThe3arrionfigure.-2wireDIPightonly),opationcontrol,-SwitchthepositiechoCCon“transmit.Thesemodeverterfigura(usedswitchesfroff”nRTS/CTSsetimpedane,in2S1are-wire,(shownswitchlodlyatedreceivelfin-(usedinduplextheimpedance,first2-illustrationwire,deonly),hlf-methodduplexbelow)2-wire/of

ASYNC 232↔422/485switchCONVERTER

theConverter’stopopPCopenboardthe.ToConverter’saccess caseinternallytasS1,shownusebelowsmallflatthe.nd-ersidebladeof

1 2 3 4 5 6 7 8

OFF

Image 11

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