Appendix | Multi-Tech Systems MT56DSU-S specs

Appendix

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Multi-Tech Systems MT56DSU-S manual Appendix

Contents

MT56DSU-S Syncronous 56K bps Data Service Unit User Guide Revision Date Description Contents Service & Warranty Introduction Introduction About This Manual Description CSU/DSU BasicsDSU Functions CSU Functions Features Specifications Front & Back Panel Descriptions Front Panel Front Panel Power Connector 2 RS232 ConnectorLine Connector Back Panel Switch Settings Switch Settings Mode Position Description Shunts Shunts Unpacking & Setup Telecom Safety Warnings Unpacking Setup Back Panel Connections V.35 Shunt Diagnostics Loopback Test Diagram Loopback Test Line Loopback Test DSU Loopback Test DSU Back-to-Back Test Diagram DSU Back-to-Back Test Service & Warranty Warranty Multi-Tech Systems, Inc. Warranty & Repairs Policies2 U.S. and Canadian Customers International Customers outside U.S.A. and Canada International Distributors Repair Procedures for International Customers Repair Procedures for U.S. and Canadian CustomersRepairs Technical Support Internet Site Appendix Appendix a Application Examples IntroductionLocal Area Data Set Application DDS Point-To-Point Application DDS Multipoint Polled Application Figure A-3. DDS Multipoint Polled Application Appendix B Interface Signals and Connector Pinouts RJ-48 Connector DB25S Connector Pin Description Signal DB25S Connector with V.35 Interface Pin Description Loopback Cable MTS P/N Build Instructions Figure B-7. Back-toBack Cable Connector Back-To-Back Cable MTS P/N Appendix C Regulatory Information FCC Regulations for Telephone Line Interconnection Canadian Limitations Notice S000327A