Multi-Tech Systems MT56DSU-S manual S000327A

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S000327A

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Contents MT56DSU-S Syncronous 56K bps Data Service Unit User GuideRevision Date Description Contents Service & Warranty Introduction Introduction About This ManualDSU Functions DescriptionCSU/DSU Basics CSU FunctionsFeatures Specifications Front & Back Panel Descriptions Front Panel Front PanelLine Connector Power Connector2 RS232 Connector Back PanelSwitch Settings Switch Settings Mode Position DescriptionShunts ShuntsUnpacking & Setup Telecom Safety Warnings UnpackingSetup Back Panel ConnectionsV.35 Shunt Diagnostics Loopback Test Diagram Loopback TestLine Loopback Test DSU Loopback TestDSU Back-to-Back Test Diagram DSU Back-to-Back TestService & Warranty 2 U.S. and Canadian Customers Multi-Tech Systems, Inc. Warranty & Repairs PoliciesWarranty International Customers outside U.S.A. and Canada International DistributorsRepairs Repair Procedures for U.S. and Canadian CustomersRepair Procedures for International Customers Technical Support Internet SiteAppendix Local Area Data Set Application Appendix a Application ExamplesIntroduction DDS Point-To-Point ApplicationDDS Multipoint Polled Application Figure A-3. DDS Multipoint Polled ApplicationAppendix B Interface Signals and Connector Pinouts RJ-48 ConnectorDB25S Connector Pin Description SignalDB25S Connector with V.35 Interface Pin DescriptionLoopback Cable MTS P/N Build InstructionsFigure B-7. Back-toBack Cable Connector Back-To-Back Cable MTS P/NAppendix C Regulatory Information FCC Regulations for Telephone Line InterconnectionCanadian Limitations Notice S000327A
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