RAD Data comm ASM-20 operation manual Safety, Supplementary Information

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Declaration of Conformity

Manufacturer’s Name:

RAD Data Communications Ltd.

Manufacturer’s Address:

12 Hanechoshet St.

 

Tel Aviv 69710

 

Israel

declares that the product:

 

Product Name:

ASM-20

Conforms to the following standard(s) or other normative document(s):

EMC:

EN 55022

(1994)

Limits and methods of measurement of radio disturbance

 

 

 

characteristics of information technology equipment.

 

EN 50082-1 (1992)

Electromagnetic compatibility - Generic immunity

 

 

 

standards for residential, commercial and light industry.

Safety:

EN 60950

(1992/93)

Safety of information technology equipment, including

 

 

 

electrical business equipment.

Supplementary Information:

The product herewith complies with the requirements of the EMC Directive 89/336/EEC and the Low Voltage Directive 73/23/EEC. The product was tested in a typical configuration.

Tel Aviv, October 10, 1996

Haim Karshen

VP Quality

European Contact: RAD Data Communications GmbH, Lyoner Strasse 14, 60528 Frankfurt am Main, Germany

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Contents ASM-20 RAD data communications Headquarters US East US WestPage Warranty Safety Warnings Ports Safety StatusRegulatory Information Safety Supplementary InformationQuick-Start Guide Installing and Operating ASM-20Adjust the jumpers. See , Installation and Setup INT or EXT and the other modem RCV LBTPreface Conventions Contents Troubleshooting and Diagnostics List of Figures List of Tables Chapter Introduction OverviewApplications DTE interface Following DTE interface options are availablePhysical Description Front PanelCDD conditional diphase modulation technique Functional DescriptionAsync to Sync Converter Technical Specifications Unloaded twisted pair 19 to 26 AWGRange See Table Level Digital Interface Diagnostics Timing ElementsPower Supply 115 or 230 V 10% 47 to 63 Hz 5W PowerRed Bit errors Err Yellow Weight 290 gm / 10.1 ozApproximate Range Baud 19 AWG 22 AWG 24 AWG 26 AWG RateIntroduction Technical Specifications Chapter Installation and Setup IntroductionSite Preparation and Prerequisites Package Contents Mechanical InstallationElectrical Installation Strap Selection Setting Internal Jumpers Switches ASM-20 X.21 Rear PanelPCB Layout Diagram X.21, one of the modems should be set to RCV clockASM-20 Strap Selection Settings Jumper Function Possible Factory Switch Identity SettingsStart Bit Data Bits Parity Stop Bit No. of Bits Power Connection Installation and Setup Electrical Installation General Controls and IndicatorsChapter Operation ASM-20Control and Indicator Functions Name Type FunctionPower On Procedure Operating InstructionsActivation of Tests Operational Jumper Switch Changes Power OffProcedure Differences in Versions Chapter Troubleshooting DiagnosticsFrequently Asked Questions ASM-20 ASM-20-2Loop Tests Procedure Bit Error Rate Tester BertBert Using Loops Modem Self Test Local Test Analog LoopbackCommunication Link Tests Remote Digital LoopbackLocal Digital Loopback Remote ASM-20 in Digital LoopbackChapter Card Cage Version ASM-MN-214 Card CageASM-20/R Card Version ASM-MN-214 Rear PanelPower Supply AC Supply 100, 115 or 230 VAC DC Supply -48 VDCPower Supply with Redundancy ASM-MN-214 Front PanelInstallation Card Cage Version Installation Appendix a Ethernet Interface DescriptionIR-ETH Connector Options Signal Pin DB-25 RJ-45Ethernet Bridge Specifications Installation and OperationGeneral Other devices do not OptionTable A-3 IR-ETH Bridge LED Indicators Description Location Color NameAppendix A. Ethernet Interface Installation and Operation Appendix B IR-G.703 Codirectional Interface 64 kbps General DescriptionEXT Mode Figure B-2 Location of JP1 on the IR-G.703 Interface ModuleINT/RCV Mode Modem BOdem a Odem B Page Appendix C IR-X.21B Interface Module Figure C-1 Typical ASM-20 X.21 ApplicationTable C-1 IR-X.21B DB-15 RS-422 Connector Pin Assignment Interface module $87,21 25&21,18Pin Function IR-X.21B Interface Module PositionFigure C-4 EXT Mode Timing Block Appendix D DTE Interface Connectors Pin Circuit FunctionRTS Signal General 13/4/99 Signal Function RS-449 RS-422/423 EIA Pins Appendix E Connection to RS-422Pin Circuit Appendix E. Connection to RS-422 Installation of a Single Unit Appendix F Unit Case AssemblyInstallation of the Unit Case into a 19 Rack Unit CaseInstallation of Two Units Figure F-1 Installation of a Single UnitAppendix F. Unit Case Assembly Figure F-3 Installation of Two Units