Theory of Operation and Applications | RAD Data comm RSD-20 guide

THEORY OF OPERATION AND APPLICATIONS

RSD-20 OPERATOR'S MANUAL

4.3

Image 24

RAD Data comm RSD-20 operation manual Theory of Operation and Applications

Contents

RSD-20 DUUDQW\ 6DIHW\DUQLQJV HFODUDWLRQRI&RQIRUPLW\ Table of Contents Introduction GeneralFunctional Description Specifications Indicators PowerOrdering Physical Installation Physical InstallationElectrical Installation AC Power Internal Switches and Strap Selection Rear PanelRear Panel Installation Installation System Synchronization and Clock Distribution RSD-20/V.35Synchronization on Main Channel Modem Clock Synchronization on Main Channel Modem’s Clock Synchronization on RSD-20 Internal Clock Synchronization on Internal Clock RSD-20 Synchronization on Sub-channel RSD-20/X.21 External Clock for more than one Sub-channelMain channel is DTE attached to a modem Main and all sub-channels are DCE attached to DTEs Main channel is DCE and sub-channels are mixed DTE and DCE Controls and Indicators OperationFront Panel Operating Procedure Power Turn OnPower Turn Off Operation Fault Isolation Procedure Power SupplyOperational Field Strapping Changes RSD Malfunction Contention SUB-CHANNEL DisableTheory of Operation and Applications Introduction Control Signals Main Channel Control SignalsSub-channel Control Signals RSD-20/V.35 RSD-20/X.21 Theory of Operation and Applications RSD-20 Operators Manual Theory of Operation and Applications Applications RSD-20 Operating Modes Table A.1 X21 Interface Signal Description Appendix a Table B.1 Interface Signal Description Appendix B