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Chapter 8 - Modem Testing
8.1 Introduction...................................................................................................................................... 98
8.2 Local Analog Loopback Test/V.54 Loop 3 ........................................................................................ 99
8.3 Digital Loopback Test/V.54 Loop 2 (Local/Manual).......................................................................... 100
8.4 Digital Loopback Test/V.54 Loop 2 (Remote/Automatic) ................................................................. 101
8.5 Back-to-Back Test ........................................................................................................................... 102
8.6 Synchronous Mode Testing ............................................................................................................. 103
8.7 Local Analog Loopback Test (Synchronous Mode) ......................................................................... 103
8.8 Digital Loopback Test (Local/Manual) (Synchronous Mode) ........................................................... 104
8.9 Digital Loopback Test (Remote/Automatic) (Synchronous Mode) ................................................... 105
Chapter 9 - DIP-Switch Settings
9.1 Introduction...................................................................................................................................... 108
9.2 DIP-Switch Option Settings ............................................................................................................. 109
9.3 Speaker Volume Control ................................................................................................................. 115
9.4 Recording Option Configurations .................................................................................................... 115
Chapter 10 - Warranty, Service and Tech Support
10.1 Introduction...................................................................................................................................... 118
10.2 Limited Warranty ............................................................................................................................. 118
10.2.1 On-line Warranty Registration ................................................................................................... 118
10.3 Tech Support ................................................................................................................................... 119
10.3.1 Recording Modem Information .................................................................................................. 119
10.4 Service ............................................................................................................................................ 119
10.5 The Multi-Tech BBS......................................................................................................................... 120
10.5.2 Upgrading the MultiModem ...................................................................................................... 121
10.5.3 Using FlashPro to Upgrade Modem Firmware .......................................................................... 121
10.6 About Multi-Tech’s Internet Presence.............................................................................................. 121
10.7 About the Multi-Tech Fax-Back Service .......................................................................................... 121
10.9 About Ordering Accessories............................................................................................................ 122
Appendixes
Appendix A - Troubleshooting....................................................................................................................... 124
Appendix B - ASCII Character Code/Hex/Decimal Conversion Chart .......................................................... 129
Appendix C - Dial Pulse and Tone-Dial Frequencies.................................................................................... 130
Appendix D - Command Summary............................................................................................................... 131
Appendix E - DIP-Switch Summary ............................................................................................................. 140
Appendix F - S-Register Summary .............................................................................................................. 143
Appendix G - Result Code Summary ........................................................................................................... 145
Appendix H - V.25bis Operation ................................................................................................................... 147
Appendix I - MultiModemBA Cables ............................................................................................................. 154
Appendix J - RS-232C Interface Specifications ........................................................................................... 156
Appendix K - Regulatory Information ........................................................................................................... 160
Index
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