Huawei ME909u-521 manuály

Huawei ME909u-521 Uživatelský manuál (67 strany)

Značka: Huawei | Kategorie: Sítě | Velikost: 0.82 MB |

Angličtina

Tabulka s obsahem

Application Guide

1

Trademarks and Permissions

2

NO WARRANTY

2

About This Document

3

Contents

4

1 Overview

7

Application

8

All AT commands entered

11

AT+COPS and returnOK. The

12

2.1.1 Reference Process

14

2.1.2 Troubleshooting

14

2.2.1 Reference Process

15

2.2.2 Troubleshooting

15

2.3.1 Reference Process

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2.3.2 Troubleshooting

17

Application Scenarios

18

Manual search for networks

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4 ECM Application Scenarios

21

4.1.2 Troubleshooting

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4.2.1 Reference Process

22

4.2.2 Troubleshooting

23

4.3.1 Reference Process

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4.3.2 Troubleshooting

23

5 SMS Application Scenarios

24

5.2 Initializing SMS

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SMS initialization

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AT+CSMS=1

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+CSCA: "",129

27

AT+CGSMS?

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+CNMI: 0,0,0,0,0

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5.3 Sending Short Message

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5.3.2 Troubleshooting

31

5.4 Reading Short Messages

32

5.5 Deleting Short Messages

34

5.5.2 Troubleshooting

35

6.1 Overview

36

6.2 Memory Operations

36

6.2.2 Troubleshooting

37

6.3.1 Reference Process

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6.3.2 Troubleshooting

39

6.3.4 Reference Process

40

6.3.5 Troubleshooting

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6.4.1 Reference Process

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6.5 Querying User Number

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6.5.2 Troubleshooting

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6.6.1 Reference Process

44

6.6.2 Troubleshooting

45

7.1 PIN Operations

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7.1.2 Troubleshooting

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7.2 CRSM Command

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7.2.2 Troubleshooting

50

Scenarios

51

8.1 Hardware Interfaces

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8.2 Sequence Diagram

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8.3 Software Interfaces

54

T 2 ( S E E

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T 1 ( W a k e u p )

55

8.3.2 USB and Sleep

56

8.3.3 UART and Sleep

57

8.3.4 Module Wake-up

57

HS HubHS Device

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8.4.1 Hardware Connection

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8.4.2 Software Procedure

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WAKEUP_OUT

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8.5.3 Advantages

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9.1 Pre-configuration

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^THERM: 0 indication

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10.2.2 Troubleshooting

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11 Appendix

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