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MT56DSU-S
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Appendix
Models:
MT56DSU-S
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Specs
Loopback Test Diagram
Pin Description Signal
Warranty
Diagnostics
Unpacking & Setup
2 RS232 Connector
Switch Settings
Safety
Features
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Appendix
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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 Basics
DSU Functions
CSU Functions
Features
Specifications
Front & Back Panel Descriptions
Front Panel
Front Panel
Power Connector
2 RS232 Connector
Line 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 Policies
2 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 Customers
Repairs
Technical Support
Internet Site
Appendix
Appendix a Application Examples
Introduction
Local 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
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