RAD Data comm RSD-20 operation manual

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RSD-20

High Speed Digital Sharing Device

Installation and Operation Manual

Notice

This manual contains information that is proprietary to RAD Data Communications. No part of this publication may be reproduced in any form whatsoever without prior written approval by RAD Data Communications.

No representation or warranties for fitness for any purpose other than what is specifically mentioned in this manual is made either by RAD Data Communications or its agents.

For further information contact RAD Data Communications at the address below or contact your local distributor.

RAD data communications	RAD data communications	RAD data communications
Headquarters	US East	US West
12 Hanechoshet Street	900 Corporate Drive	3631 South Harbor
Tel Aviv 69710 Israel	Mahwah, NJ 07430 USA	Boulevard
Tel: 972-3-6458181	Tel: (201) 529-1100	Suite 250
Fax: 972-3-6498250	Fax: (201) 529-5777	Santa Ana, CA 92704
E-mail: rad@radmail.rad.co.il	E-mail: market@radusa.com	Tel: (714) 850-0555
		Fax: (714) 850-1555

© 1999 RAD Data Communications

Publication No. 544-200-11/99

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Contents RSD-20 DUUDQW\ 6DIHW\DUQLQJV HFODUDWLRQRI&RQIRUPLW\ Table of Contents General IntroductionFunctional Description Specifications Power IndicatorsOrdering PhysicalPhysical Installation InstallationElectrical Installation AC PowerRear Panel Internal Switches and Strap SelectionRear Panel Installation Installation RSD-20/V.35 System Synchronization and Clock DistributionSynchronization on Main Channel Modem Clock Synchronization on Main Channel Modem’s ClockSynchronization on Internal Clock Synchronization on RSD-20 Internal ClockSynchronization on Sub-channel RSD-20External Clock for more than one Sub-channel RSD-20/X.21Main channel is DTE attached to a modem Main and all sub-channels are DCE attached to DTEsMain channel is DCE and sub-channels are mixed DTE and DCE Operation Controls and IndicatorsFront Panel Power Turn On Operating ProcedurePower Turn Off OperationPower Supply Fault Isolation ProcedureOperational Field Strapping Changes RSD MalfunctionSUB-CHANNEL Disable ContentionTheory of Operation and Applications IntroductionMain Channel Control Signals Control SignalsSub-channel Control Signals RSD-20/V.35RSD-20/X.21 Theory of Operation and Applications RSD-20 Operators Manual Theory of Operation and Applications RSD-20 Operating Modes ApplicationsAppendix a Table A.1 X21 Interface Signal DescriptionAppendix B Table B.1 Interface Signal Description