Service & Warranty | Multi-Tech Systems MT56DSU-S specs

Chapter 5 - Service & Warranty

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Multi-Tech Systems MT56DSU-S manual Service & Warranty

Contents

User Guide MT56DSU-S Syncronous 56K bps Data Service Unit Revision Date Description Contents Service & Warranty Introduction About This Manual Introduction CSU Functions DescriptionCSU/DSU Basics DSU Functions Features Specifications Front & Back Panel Descriptions Front Panel Front Panel Back Panel Power Connector2 RS232 Connector Line Connector Switch Settings Mode Position Description Switch Settings Shunts Shunts Unpacking & Setup Unpacking Telecom Safety Warnings Back Panel Connections Setup V.35 Shunt Diagnostics Loopback Test Loopback Test Diagram DSU Loopback Test Line Loopback Test DSU Back-to-Back Test DSU Back-to-Back Test Diagram Service & Warranty 2 U.S. and Canadian Customers Multi-Tech Systems, Inc. Warranty & Repairs PoliciesWarranty International Distributors International Customers outside U.S.A. and Canada Repairs Repair Procedures for U.S. and Canadian CustomersRepair Procedures for International Customers Internet Site Technical Support Appendix DDS Point-To-Point Application Appendix a Application ExamplesIntroduction Local Area Data Set Application Figure A-3. DDS Multipoint Polled Application DDS Multipoint Polled Application RJ-48 Connector Appendix B Interface Signals and Connector Pinouts Pin Description Signal DB25S Connector Pin Description DB25S Connector with V.35 Interface Build Instructions Loopback Cable MTS P/N Back-To-Back Cable MTS P/N Figure B-7. Back-toBack Cable Connector FCC Regulations for Telephone Line Interconnection Appendix C Regulatory Information Canadian Limitations Notice S000327A