Multi-Tech Systems MT56DSU-S - Manual (Page 4)

Chapter 5 - Service & Warranty ....................................................................... 23
5.1 Multi-Tech Systems, Inc. Warranty & Repairs Policies......................... 24
5.1.1 Warranty ............................................................................................. 24
5.1.2 U.S. and Canadian Customers ............................................................ 24
5.1.3 International Customers (outside U.S.A. and Canada) ........................ 25
5.1.4 International Distributors ..................................................................... 25
5.2 Repairs ................................................................................................. 26
5.2.1 Repair Procedures for U.S. and Canadian Customers ........................ 26
5.2.2 Repair Procedures for International Customers ................................... 26
5.2.3 Repair Procedures for International Distributors .................................. 27
5.2.4 Replacement Parts ............................................................................. 27
5.3 Technical Support ................................................................................. 27
5.4 Internet Site .......................................................................................... 27
Appendix ............................................................................................................ 28
Appendix A - Application Examples ................................................................ 29
Introduction ...................................................................................................... 29
Local Area Data Set Application ...................................................................... 29
DDS Point-To-Point Application ....................................................................... 29
DDS Multipoint (Polled) Application ................................................................. 30
Appendix B - Interface Signals and Connector Pinouts ................................. 31
RJ-48 Connector .............................................................................................. 31
DB25S Connector ............................................................................................ 32
DB25S Connector with V.35 Interface ............................................................. 33
Loopback Cable (MTS P/N 45640100) ............................................................ 34
Back-To-Back Cable (MTS P/N 45050000) ..................................................... 35
Appendix C - Regulatory Information ............................................................. 36
FCC Regulations for Telephone Line Interconnection ...................................... 36
Canadian Limitations Notice ............................................................................ 37