4
Modem 34336
4.10 Automatic Fallback ..................................................................76
4.10.1 Operating Mode Fallback ......................................................76
4.10.2 V.32 Speed Fallback ...............................................................78
4.11 V. 13 Operation ........................................................................80
5.0
Hayes Emulation Mode
.................................................................81
5.1
Hayes Mode Autodialer ...........................................................81
5.1.1
Enabling The Hayes Mode Autodialer .................................81
5.1.2
Command Guidelines ............................................................81
5.1.3
Result Codes ...........................................................................84
5.1.4
Transmission Speed ...............................................................84
5.2
Hayes Compatible Commands ................................................84
5.3
S Registers ................................................................................90
5.3.1
Reading And Setting Registers ..............................................86
5.3.2
S Register Functions ..............................................................86
5.4
Selecting Options In Hayes Mode ..........................................94
5.4.1
Saving Option Selections .......................................................94
5.4.2
Profile 0 and Profile 1.............................................................94
5.5
Hayes Mode Reference Tables ................................................95
6.0
V.25 bis Autodialer
.......................................................................107
6.1
Enabling The V.25 bis Autodialer .........................................107
6.2
V.25 bis Autodialer Commands ............................................108
6.3
Dialing Parameters ................................................................112
6.4
V.25 bis Result Codes .............................................................112
6.5
DTR Dialing In V.25 bis Mode ..............................................112
7.0
Diagnostics
......................................................................................113
7.1
When And Why To Test ........................................................113
7.2
Symptoms And Scope Of The Problem ...............................113
7.3
Physical Inspection ................................................................114
7.4
Overview Of Modem Diagnostics ..........................................114
7.5
How To Select And Activate Tests ........................................115
7.5.1
Front-Panel Control .............................................................115
7.5.2
Running Tests In Hayes Mode .............................................115
7.5.3
Remote Test Control ...........................................................115
