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

THEORY OF OPERATION AND APPLICATIONS	RSD-20 OPERATOR'S MANUAL

Figure 4.3

Main channel DTE with Sub-channel DTE

Figure 4.4

Main channel DCE with Sub-channel DCE

4.5

Image 26

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

Contents

RSD-20 DUUDQW\ 6DIHW\DUQLQJV HFODUDWLRQRI&RQIRUPLW\ Table of Contents Functional Description IntroductionGeneral Specifications Ordering IndicatorsPower Physical Electrical Installation InstallationPhysical Installation AC Power Rear Panel Internal Switches and Strap SelectionRear Panel Installation Installation Synchronization on Main Channel Modem Clock System Synchronization and Clock DistributionRSD-20/V.35 Synchronization on Main Channel Modem’s Clock Synchronization on RSD-20 Internal Clock Synchronization on Internal Clock RSD-20 Synchronization on Sub-channel Main channel is DTE attached to a modem RSD-20/X.21External Clock for more than one Sub-channel Main and all sub-channels are DCE attached to DTEs Main channel is DCE and sub-channels are mixed DTE and DCE Front Panel Controls and IndicatorsOperation Power Turn Off Operating ProcedurePower Turn On Operation Operational Field Strapping Changes Fault Isolation ProcedurePower Supply RSD Malfunction Theory of Operation and Applications ContentionSUB-CHANNEL Disable Introduction Sub-channel Control Signals Control SignalsMain 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