RAD Data comm RSD-20 Manual do Utilizador

RSD-20High Speed Digital Sharing DeviceInstallation and Operation ManualNoticeThis manual contains information that is proprietary to RAD Data Communi

2.4.2 Rear PanelSix connectors are located on the rear panel of the RSD-20, consisting of five channelconnectors (four for the sub-channels and one fo

RSD-20 OPERATOR'S MANUAL INSTALLATION 2.3

INSTALLATION RSD-20 OPERATOR'S MANUAL2.4

2.5 SYSTEM SYNCHRONIZATION AND CLOCK DISTRIBUTION2.5.1 RSD-20/V.35Four alternatives are available for synchronization of the system:a)Main channel mod

2.5.1.2 Synchronization on RSD-20 Internal Clocka) RSD-20 baud rate should be strapped to the required speed.b) DCEs attached to sub-channels should b

2.5.1.3 Synchronization on Sub-channel 1a) RSD-20 baud rate should be strapped to CLK-1.b) DCE attached to main channel should be strapped to external

2.5.1.4 External Clock for more than one Sub-channelThis option enables connection of more than one sub-channel to the line from the P.T.T. service.Ge

2.5.2.4 Main channel is DCE and sub-channels are mixed(DTE and DCE)In this mode one of the modems attached to the sub-channels (configured as DTE) sho

3OPERATION3.1 GENERALThis chapter details the RSD-20 controls and indicators, their functions, and operatingprocedures.The installation procedures giv

Table 3.1Control FunctionsControl Location FunctionPower switch (with lamp) ON/OFF Rear Panel Turns AC power ON or OFF110/220 VAC Selector Rear Panel

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3.4 OPERATIONAL FIELD STRAPPING CHANGESAccess inside the equipment is only permitted to authorized service personnel.If it becomes necessary to reconf

4THEORY OF OPERATION AND APPLICATIONS4.1 INTRODUCTIONThis chapter contains a simplified functional description of the RSD-20, and covers the flow ofda

4.4 CONTROL SIGNALSSub-channel control signals are combined to provide a composite signal to the main channel.Control signals from the main channel ar

4.4.2.2 RSD-20/X.21CONTROL/INDICATIONIf the “C/I to Sub-channel” jumper is in the “MAIN CHANNEL” state, the C/I to sub-channelfollows the main C/I (un

THEORY OF OPERATION AND APPLICATIONS RSD-20 OPERATOR'S MANUAL4.3

Figure 4.1Main Channel DTE with Sub-channel DCEFigure 4.2Main Channel DCE with Sub-channel DTERSD-20 OPERATOR'S MANUAL THEORY OF OPERATION AND AP

Figure 4.4Main channel DCE with Sub-channel DCEFigure 4.3Main channel DTE with Sub-channel DTETHEORY OF OPERATION AND APPLICATIONS RSD-20 OPERATOR&apo

4.5 APPLICATIONSThe RSD-20 operates in one of six modes: modem sharing, port sharing, remote port sharing,local port sharing, mix modem sharing and mi

APPENDIX ATable A.1X21 Interface Signal DescriptionX.21 SIGNAL NAME PINSHIELD 1G GROUND 8T TRANSMIT 29R RECEIVE 411CCONTROL310I INDICATION 512S SIGNAL

APPENDIX BTable B.1V.35 Interface Signal DescriptionV.35Signal Function 34-pin Stand-AlonePin CircuitProtective Ground A Frame 101Signal Ground B Sign

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'HFODUDWLRQRI&RQIRUPLW\Manufacturer’s Name: RAD Data Communications Ltd.Manufacturer’s Address: 12 Hanechoshet St.Tel Aviv 69710Israeldecla

TABLE OF CONTENTS1 INTRODUCTION1.1 General ... 1.11.2 FunctionalDescription... 1.11.3

1INTRODUCTION1.1 GENERALThe RSD-20, High Speed Digital Sharing Device, enables up to four high speed modems,terminals or controllers to share a master

1.3 SPECIFICATIONSNumber of Sub-channelsFourChannel ConfigurationLowest priority: Sub-channel 1Highest priority: Sub-channel 4Sub-channel SelectionStr

IndicatorsDATA: Display data broadcast from main channel to sub-channelsACTIVITY: 4 LEDs indicate which sub-channel has gained access to main channelD

2INSTALLATIONAccess inside the equipment is only permitted to authorized service personnel.2.1 GENERALThis chapter provides information on performing