Multitech MMH900, User Manual

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5.2.7 Internal Composite Link DSU Commands ............................ 86
5.2.8 Test Commands ................................................................... 87
5.2.9 Command Modem commands ............................................. 89
Chapter 6- Operating Procedures ....................................... 90
6.1 Introduction .................................................................................... 91
6.2 MultiMux Operating Procedures .................................................... 91
6.3 Command Modem Operating Procedures ..................................... 95
Chapter 7 - Troubleshooting ................................................ 97
7.1 Introduction .................................................................................... 98
7.2 Importance of Composite Statistics ............................................... 98
7.3 Test Cables .................................................................................... 99
7.4 Troubleshooting Guide .................................................................. 101
7.5 Channel Device Testing ................................................................. 107
7.6 Local Modem and Communications Line Testing .......................... 108
7.7 MultiMux Functional Testing Procedures ....................................... 110
Chapter 8- Service, Warranty, & Technical Support ......... 112
8.1 Introduction .................................................................................... 113
8.2 Warranty ........................................................................................ 113
8.3 Repair Procedures for U.S. and Canadian Customers .................. 114
8.4 Repair Procedures for International Customers (Outside U.S.A. and
Canada) ............................................................................................ 115
8.5 Repair Procedures for International Distributors ............................ 116
8.6 Online Warranty Registration ......................................................... 116
Appendices .......................................................................... 117
Appendix A .............................................................................................. 118
Ascii Character Code/Hex/Decimal Conversion Chart ...................... 118
Appendix B
RS232C Interface Specification ........................................................ 119