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| 1vv0300715 Rev. 1 - 19/09/06 |
Contents |
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1 | Overview | 6 | ||
2 | GE863 module connections | 7 | ||
| 2.1 | 7 | ||
| 2.2 | PINS LAYOUT | 10 | |
3 | Hardware Commands | 11 | ||
| 3.1 | Turning ON the | 11 | |
| 3.2 | Turning OFF the | 12 | |
| 3.2.1 | Hardware shutdown | 13 | |
| 3.3 | Hardware Unconditional Reboot | 13 | |
4 | Power Supply | 15 | ||
| 4.1 | Power Supply Requirements | 15 | |
| 4.2 | General Design Rules | 16 | |
| 4.2.1 | Electrical design Guidelines | 16 | |
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| 4.2.1.1 + 5V input Source Power Supply Design Guidelines | 16 | |
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| 4.2.1.2 + 12V input Source Power Supply Design Guidelines | 17 | |
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| 4.2.1.3 Battery Source Power Supply Design Guidelines | 18 | |
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| 4.2.1.4 Battery Charge control Circuitry Design Guidelines | 19 | |
| 4.2.2 | Thermal Design Guidelines | 20 | |
| 4.2.3 | Power Supply PCB layout Guidelines | 21 | |
5 | Antenna | 22 | ||
| 5.1 | GSM Antenna Requirements | 22 | |
| 5.2 | GSM Antenna - PCB line Guidelines | 23 | |
| 5.3 | GSM Antenna - installation Guidelines | 23 | |
6 | Serial Ports | 23 | ||
| 6.1 | MODEM SERIAL PORT | 24 | |
| 6.2 | MODEM SERIAL PORT 2 (Python Debug) | 26 | |
| 6.3 | RS232 level translation | 26 | |
| 6.4 | 5V UART level translation | 28 | |
7 | Audio Section Overview | 30 | ||
| 7.1 | Microphone Paths Characteristic and Requirements | 32 | |
| 7.2 | General Design Rules | 35 | |
| 7.3 | Other considerations | 35 |
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Right reserved | page 2 of 79 |