Campbell CS-GSM/GPRS Guia do Utilizador descarregar pdf (Página 5)

Contents

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1. Introduction to GPRS .................................................. 1

2. Hardware ...................................................................... 2

2.1 Power use considerations ........................................................................... 2

3. Network Contract and SIM card ................................. 2

4. Datalogger firmware .................................................... 3

5. PC Software required .................................................. 3

6. Basic Datalogger setup ............................................... 3

7. General Principles of Operation ................................. 7

7.1 Using systems with fixed, public IP addresses .......................................... 7

7.2 Using systems with dynamic IP addresses ................................................ 8

7.3 Keeping the connection open ..................................................................... 9

7.4 Firewall Issues .......................................................................................... 10

7.5 Minimising call costs and power use ....................................................... 10

7.6 Calling the logger in GSM data mode ..................................................... 11

8. Fault finding ............................................................... 11

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Campbell CS-GSM/GPRS Guia do Utilizador Página 5