Comtech EF Data SNM-1001 manuals

Comtech ef data SNM-1001 User Manual (103 pages)

Brand: Comtech-ef-data | Category: Equipment | Size: 2.04 MB |

English

Table of contents

SNM-1001

1

Customer Support

3

Table of Contents

4

Rev. 1 v

6

About this Manual

8

Conventions and References

8

Cautions and Warnings

8

Metric Conversion

8

Trademarks

8

European EMC Directive

9

Warranty Policy

10

Limitations of Warranty

10

Exclusive Remedies

10

Disclaimer

10

Chapter 1

12

INTRODUCTION

12

1.2 Mode of Operation

13

Rev. 1 1–3

14

1.2.1 Description

15

1.3 Options

15

1.4 Specifications

16

1–8 Rev. 1

19

Figure 1-6

20

1–10 Rev. 1

21

Chapter 2

22

INSTALLATION

22

2.2 System Installation

23

Rev. 1 2–3

24

(See Note)

26

2.3.2 Remote (J6)

27

2.3.3 Faults (J7)

28

2.3.4 TX IF Output (CP1)

28

2.3.5 RX IF Input (CP2)

29

2.3.6 AC Power

29

2.3.7 DC Power

29

2.3.8 Chassis GND

29

2.3.9 AGC Test Point

29

Chapter 3

30

OPERATION

30

3.1.1 LED Indicator

31

3.2 Clocking Options

31

Chapter 4

32

THEORY OF OPERATION

32

4.1.1 Specifications

34

4.1.2 Theory of Operation

34

4–4 Rev. 1

35

SYNCHRONOUS

36

DESCRAMBLER

36

4.2.1 Specifications

37

4.2.2 Theory of Operation

37

Rev. 1 4–7

38

4–8 Rev. 1

39

4.3 Monitor and Control

40

4.3.1 Non-Volatile Memory

40

4.3.5 Modem Defaults

41

4.4 Digital Interfaces

43

4.4.1 EIA-422/449 Interface

43

Rev. 1 4–13

44

4.4.1.2 Specification

45

Chapter 5

46

MAINTENANCE

46

5.1.1 Modulator Checkout

47

5.1.2 Demodulator Checkout

48

5–4 Rev. 1

49

With Noise

50

Without Noise

50

5.1.3 Test Points

51

Control

52

INTERFACE FAULTS

53

MOD FAULTS

53

DEMOD FAULTS

53

COMMON EQUIPMENT FAULTS

53

5.2.1 Modulator Faults

55

5.2.1.1 Continuous Mode

55

5.2.2 Demodulator Faults

56

5.2.2.1 Burst Mode

56

5.2.4.1 Burst Mode

56

5.3 Module Identification

58

5.4 Software Versions

58

Appendix A

60

REMOTE CONTROL OPERATION

60

A.1 General

61

A.2 Message Structure

62

A.2.1 Start Character

62

A.2.2 Device Address

62

A.2.3 Command/Response

63

A.2.4 End Character

63

A.3.1 Modulator

64

A–6 Rev. 1

65

A.3.2 Demodulator

66

A–8 Rev. 1

67

A.3.3 Interface

68

A–10 Rev. 1

69

Rev. 1 A–11

70

A–12 Rev. 1

71

A.3.4 System

72

A.3.5 AUPC

72

A–14 Rev. 1

73

A.4 Status Commands/Responses

74

A.4.1 Configuration

74

A–16 Rev. 1

75

Rev. 1 A–17

76

A–18 Rev. 1

77

Rev. 1 A–19

78

A–20 Rev. 1

79

Rev. 1 A–21

80

A–22 Rev. 1

81

Rev. 1 A–23

82

A–24 Rev. 1

83

Rev. 1 A–25

84

A–26 Rev. 1

85

Rev. 1 A–27

86

A–28 Rev. 1

87

Rev. 1 A–29

88

A–30 Rev. 1

89

A.4.2 Error Performance

90

A.5 Stored Faults

91

Rev. 1 A–33

92

A–34 Rev. 1

93

Rev. 1 A–35

94

A–36 Rev. 1

95

Glossary

96

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