QVS IC-485SI user manual Interface Converter

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RS-232 - RS-485

INTERFACE CONVERTER

IC-485S

&

IC-485SI

User’s Manual

@Copyright 1994 ATEN@ International CO., LTD.

Manual part NO.PAPE-0075-200

Printed in Taiwan 06/94

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Contents Interface Converter Package Checklist Function Overview Table of ContentsSpecifications InstallationSwitch Function Description Point-to-Point OperationPlex POINT-TO-POINT/2-WIRE Half DUALF Duplex DuplexMULTIDROP/2-WIRE Half Duplex 3MULTIDROP/4-WIRE Full DuplexMonitoring SIMPLEX/ TRANSMIT, Receive onlySelf Test 1TERMINAL Block DefinitionAppendix a Trouble ShootingPreventing Radio & TV INTERFER- Ence