Siemens M20 Terminal Technical Description page 5

Siemens Information and Communication Products
Figures
Fig. 3-1 Design of the Siemens M20 ........................................................................................ 9
Fig. 3-2 M20 interface diagram .............................................................................................. 15
Fig. 4-1 Timing of power on/off signals ................................................................................. 18
Fig. 4-2 Write timing of display interface ............................................................................... 19
Fig. 4-3 Read timing of display interface ............................................................................... 19
Fig. 4-4 Timing characteristics of DAI to microcontroller ..................................................... 23
Fig. 4-5 Timing characteristics of DAI to codec .................................................................... 23
Fig. 6-1 Display structure ...................................................................................................... 143
Fig. 7-1 Big SIM Card Reader (L04) .................................................................................... 154
Fig. 7-2 Mini SIM card reader (C707-1) ............................................................................... 155
Fig. 7-3 Mini SIM card reader (C707-3) ............................................................................... 155
Fig. 7-4 Mini SIM card reader (holder) ................................................................................ 155
Fig. 7-5 Mini SIM card reader (connector) ........................................................................... 155
Fig. 7-6 SMR connector (straight) ........................................................................................ 157
Fig. 7-7 80-pole SMD connector (rigid) ............................................................................... 157
Fig. 7-8 80-pole SMD connector (floating) .......................................................................... 157
Fig. 8-8 Handsfree application diagram ................................................................................ 200
Fig. 8-4 Level converter ........................................................................................................ 198
Fig. 8-5 Voltage supply ......................................................................................................... 198
Fig. 8-6 SIM card connection pins ........................................................................................ 199
Fig. 8-7 Handset connection ................................................................................................. 199
Fig. 9-1 Modular Cellular Engine Siemens M20 Terminal .................................................. 202
Fig. 9-2 Front view of Western plug 6-6 (male) ................................................................... 203
Fig. 9-3 Front view of Western plug 4-4 (male) ................................................................... 204
Fig. 15-1 Design drawing of the M20 ..................................................................................... 213
Fig. 15-2 M20 screw dimensions ............................................................................................ 214
Fig. 15-3 M20 Terminal front view ........................................................................................ 214
Fig. 15-4 M20 Terminal back view ........................................................................................ 214
Fig. 15-5 M20 Terminal top and side view ............................................................................. 215
Fig. 15-6 M20 Terminal bottom view ..................................................................................... 216
Tables
Table 3-1 Teleservices ............................................................................................................... 10
Table 3-2 Mobile station features .............................................................................................. 13
Table 3-3 Supplementary mobile station features ..................................................................... 14
Table 4-1 Pin assignment of the 80-pole SMD connector ......................................................... 16
Table 4-2 2.8 V logic level specification ................................................................................... 17
Table 4-3 Timing values of display interface ............................................................................ 20
Table 4-4 Timing characteristics of DAI ................................................................................... 24
Table 5-1 Standard Hayes AT commands ................................................................................. 29
Table 5-2 AT commands according to GSM 07.07 ................................................................... 55
Table 5-3 AT commands according to GSM 07.05 ................................................................... 94
Table 5-4 Siemens-defined AT commands ............................................................................. 112
Table 5-5 Summary of CMS ERRORS ................................................................................... 140
Table 6-1 Keypad address matrix ............................................................................................ 142
Table 6-2 Description of keypad ............................................................................................. 142
Version 8 dated 15.03.00
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