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PDF GL865 Data sheet ( Hoja de datos )
| Número de pieza | GL865 | |
| Descripción | Hardware User Guide | |
| Fabricantes | Telit | |
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Hay una vista previa y un enlace de descarga de GL865 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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GL865 Hardware User Guide
1vv0300910 Rev.8 – 2015-05-25
1 page  
GL865 Hardware User Guide
1vv0300910 Rev.8 – 2015-05-25
Contents
1. INTRODUCTION...........................................................................................................................................................7
1.1. SCOPE .......................................................................................................................................................................7
1.2. AUDIENCE.................................................................................................................................................................7
1.3. CONTACT INFORMATION, SUPPORT...........................................................................................................................7
1.4. DOCUMENT ORGANIZATION .....................................................................................................................................8
1.5. TEXT CONVENTIONS .................................................................................................................................................9
1.6. RELATED DOCUMENTS .............................................................................................................................................9
2. OVERVIEW..................................................................................................................................................................10
3. GL865 MECHANICAL DIMENSIONS .....................................................................................................................11
4. GL865 MODULE CONNECTIONS ...........................................................................................................................12
4.1. PIN-OUT................................................................................................................................................................12
4.2........................................................................................................................................................................................14
4.3. PIN LAYOUT............................................................................................................................................................15
5. HARDWARE COMMANDS .......................................................................................................................................16
5.1. AUTO-TURNING ON THE GL865.............................................................................................................................16
5.2. TURNING OFF THE GL865......................................................................................................................................18
5.3. RESETTING THE GL865...........................................................................................................................................20
5.3.1. Hardware Unconditional restart ...................................................................................................................20
6. POWER SUPPLY .........................................................................................................................................................22
6.1. POWER SUPPLY REQUIREMENTS .............................................................................................................................22
6.2. POWER CONSUMPTION............................................................................................................................................23
6.2.1. Power consumption Plots ..............................................................................................................................24
6.3. GENERAL DESIGN RULES........................................................................................................................................28
6.3.1. Electrical Design Guidelines.........................................................................................................................28
6.3.2. Thermal Design Guidelines ...........................................................................................................................31
6.3.3. Power Supply PCB layout Guidelines ...........................................................................................................32
7. ANTENNA.....................................................................................................................................................................33
7.1. GSM ANTENNA REQUIREMENTS ............................................................................................................................33
7.1.1. GL865 Antenna – PCB line Guidelines .........................................................................................................33
7.2. PCB GUIDELINES IN CASE OF FCC CERTIFICATION.................................................................................................34
7.2.1. Transmission line design ...............................................................................................................................35
7.2.2. Transmission line measurements...................................................................................................................35
7.3. GSM ANTENNA - INSTALLATION GUIDELINES........................................................................................................38
8. LOGIC LEVEL SPECIFICATIONS ..........................................................................................................................39
8.1. RESET SIGNAL.........................................................................................................................................................40
9. SERIAL PORTS ...........................................................................................................................................................41
9.1. MODEM SERIAL PORT.......................................................................................................................................41
9.2. RS232 LEVEL TRANSLATION ...................................................................................................................................43
9.3. 5V UART LEVEL TRANSLATION .............................................................................................................................46
10. AUDIO SECTION OVERVIEW ............................................................................................................................48
10.1. ELECTRICAL CHARACTERISTICS .............................................................................................................................51
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 5 of 78
5 Page 
GL865 Hardware User Guide
1vv0300910 Rev.8 – 2015-05-25
3. GL865 Mechanical Dimensions
The GL865 overall dimensions are:
• Length:
• Width:
• Thickness:
• Weight
24.4 mm
24.4 mm
2.7 mm
2.48 g
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
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| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet GL865.PDF ] | |
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