Huawei ME909u-521 manuali

Huawei ME909u-521 Manuale Utente (67 pagine)

Marchio: Huawei | Categoria: Networking | Dimensione: 0.82 MB |

Inglese

Indice

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

16

2.3.2 Troubleshooting

17

Application Scenarios

18

Manual search for networks

20

4 ECM Application Scenarios

21

4.1.2 Troubleshooting

22

4.2.1 Reference Process

22

4.2.2 Troubleshooting

23

4.3.1 Reference Process

23

4.3.2 Troubleshooting

23

5 SMS Application Scenarios

24

5.2 Initializing SMS

26

SMS initialization

27

AT+CSMS=1

27

+CSCA: "",129

27

AT+CGSMS?

28

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

28

5.3 Sending Short Message

29

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

38

6.3.2 Troubleshooting

39

6.3.4 Reference Process

40

6.3.5 Troubleshooting

41

6.4.1 Reference Process

42

6.5 Querying User Number

43

6.5.2 Troubleshooting

44

6.6.1 Reference Process

44

6.6.2 Troubleshooting

45

7.1 PIN Operations

46

7.1.2 Troubleshooting

47

7.2 CRSM Command

48

7.2.2 Troubleshooting

50

Scenarios

51

8.1 Hardware Interfaces

52

8.2 Sequence Diagram

53

8.3 Software Interfaces

54

T 2 ( S E E

55

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

58

8.4.1 Hardware Connection

59

8.4.2 Software Procedure

59

WAKEUP_OUT

60

8.5.3 Advantages

61

9.1 Pre-configuration

62

^THERM: 0 indication

63

10.2.2 Troubleshooting

65

11 Appendix

66

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