Operation Manual

10
Contents
4 ISDN and GSM Operation..................................112
4.1 ISDN Operation............................................................................ 112
4.2 GSM Operation ............................................................................ 113
5 Troubleshooting...............................................118
5.1 Operational Test .......................................................................... 118
5.2 General Malfunctions .................................................................... 119
5.3 Error Messages ........................................................................... 122
5.3.1 Error Messages in DOS.................................................... 122
5.3.2 Error Messages in Windows 3.x........................................ 124
5.3.3 Error Messages in Windows 95/98................................... 125
5.3.4 Error Messages in Windows NT ........................................ 126
Appendix A:
Information on the AVM Mobile ISDN-Controller M2 in
GSM Operation.............................................. 127
A.1 The Four GSM Operating Modes .................................................... 127
A.1.1 Mobile ISDN .................................................................... 127
A.1.2 ISDN V.110..................................................................... 128
A.1.3 Analog Modem V.32 ........................................................ 128
A.1.4 Group 3 Telefax .............................................................. 128
A.1.5 The GSM Operating Modes in Comparison......................... 129
A.2 Remote Equipment Supported....................................................... 129
A.2.1 Analog Equipment ........................................................... 129
A.2.2 Group 3 Fax Devices ....................................................... 130
A.2.3 ISDN Equipment .............................................................. 130
A.3 Environmental Influences on Data and Telefax Communications
over GSM .................................................................................... 134