Version 8 dated 15.03.00
4
Siemens Information and Communication Products
7.4 Handset............................................................................................................................. 156
7.5 Sources for connectors .................................................................................................... 157
7.6 Display .............................................................................................................................. 157
7.7 Keypad.............................................................................................................................. 158
8 Application notes
159
8.1 General notes ................................................................................................................... 159
8.2 Getting started & Installation ........................................................................................ 159
8.3 M20 diagnostics ............................................................................................................... 174
8.4 Serial interface configuration......................................................................................... 177
8.5 SW download (Version update) ..................................................................................... 191
8.6 EMC-relevant information for integrators of the M20 ............................................... 196
8.7 Getting full-type approval with the application ........................................................... 196
8.8 Application examples and reference circuits ................................................................ 198
8.9 Service information ........................................................................................................ 201
9 M20 Terminal
202
9.1 General information........................................................................................................ 202
9.2 Electrical description and interfaces ............................................................................. 203
9.3 Operation requirements, CE conformity, restrictions of use ...................................... 206
9.4 Full-type approval ........................................................................................................... 206
11 Environmental requirements for the M20
207
12 EMC and ESD requirements
207
13.1 SW comparison.............................................................................................................. 207
13.2 System Parameter comparison (AT&V) on the M1 and M20................................... 209
14 References
211
15 Technical data
212
15.1 Technical data of the M20 ............................................................................................ 212
15.2 Design drawing of the M20........................................................................................... 213
15.3 Design drawing of the M20 Terminal.......................................................................... 214
16 AT commands sorted by functionality
16.1 Commands for Call Control ......................................................................................... 217
16.2 Commands for network services and status information .......................................... 217
16.3 Commands for supplementary network services ....................................................... 218
16.4 Commands for SIM....................................................................................................... 218
16.5 Commands for interface to terminal equipment (TA – TE) ..................................... 219
16.6 Commands for device control ...................................................................................... 219
16.7 Commands for device Information.............................................................................. 220
16.8 Commands for SMS and CB (GSM 07.05) ................................................................. 220
16.9 Commands for data/fax ................................................................................................ 221