Comtech EF Data SDM-309B manuals

Comtech ef data SDM-309B User Manual (240 pages)

Brand: Comtech-ef-data | Category: Equipment | Size: 0.65 MB |

English

Table of contents

SDM-309B

1

SDM-309BSDM-309B

1

Warranty Policy

3

Limitations of Warranty

3

Exclusive Remedies

3

Disclaimer

3

About this Manual

4

Cautions and Warnings

4

Metric Conversion

4

Trademarks

5

Customer Support

6

Table of Contents

8

Rev. 0 vii

10

Rev. 0 ix

12

Chapter 1

14

INTRODUCTION

14

1-1–2 MN/U-SDM309B Rev. #

15

Figure 1-1 SDM-309B Modem

16

1-1–4 MN/U-SDM309B Rev. #

17

MN/U-SDM309B Rev. # 1-1–5

18

1-1–6 MN/U-SDM309B Rev. #

19

1.4 System Specification

20

1-1–10 MN/U-SDM309B Rev. #

23

MN/U-SDM309B Rev. # 1-1–11

24

1-1–12 MN/U-SDM309B Rev. #

25

Chapter 2

26

INSTALLATION

26

Figure 2-1 Rear Panel View

28

2.2.1 Data I/O

29

2.2.2 Remote (J6)

29

2.2.3 Fault (J7)

29

2.2.4 IF Output (CP1)

30

2.2.5 IF Input (CP2)

30

2.2.6 AC Power

30

2.2.7 GND

30

2.3 System Requirements

30

2.4 System Installation

31

Chapter 3

32

OPERATION

32

3.1.3 Front Panel Controls

33

Figure 3-1 Front Panel View

34

3.1.4 Configuration

35

3.1.4.1 MOD Configuration

35

3.1.4.2 DEMOD Configuration

36

3.1.5 Monitor

41

3.1.6 Faults

41

3.1.7 Stored Faults

43

3.1.8 Utility

43

Figure 3-2 Menu Tree

47

Figure 3-3 Menu Tree

48

Figure 3-4 Menu Tree

49

Figure 3-5 Menu Tree

50

Figure 3-6 Menu Tree

51

Figure 3-7 Menu Tree

52

Figure 3-8 IF Loopback

53

Figure 3-9 RF Loopback

54

3–24 MN/U-SDM309B Rev. #

55

MN/U-SDM309B Rev. # 3–25

56

3.2.1 General

57

3.2.2 Configuration

57

3.2.2.1 MOD Configuration

58

3.2.2.2 DEMOD Configuration

59

3.2.3 Monitor

65

3.2.4 Faults

66

3.2.5 Stored Faults

67

3.2.6 Utility

68

Figure 3-12 Menu Tree

71

Figure 3-13 Menu Tree

72

Figure 3-14 Menu Tree

73

Figure 3-15 Menu Tree

74

Figure 3-16 Menu Tree

75

Figure 3-17 Menu Tree

76

3–46 MN/U-SDM309B Rev. #

77

Chapter 4

78

M&C AND INTERFACES

78

Connect JP7 to RS232

79

MN/U-SDM309B Rev. # 4-4–3

80

4.1.2.2 Remote Baud Rate

81

4.1.2.3 Remote Address

81

4.1.2.4 Battery

81

4.1.2.8 Utility Defaults

83

4.2 Digital Interfaces

83

4.2.1 IBS/M1200P Interface

84

4.2.1.2 Data Interface

84

4.2.1.3 Transmit Multiplexer

84

4-4–8 MN/U-SDM309B Rev. #

85

MN/U-SDM309B Rev. # 4-4–9

86

4-4–10 MN/U-SDM309B Rev. #

87

Figure 4-4 IBS Fault Tree

88

Figure 4-5 Jumper Table

89

4.2.1.4 Receive Multiplexer

90

4-4–18 MN/U-SDM309B Rev. #

95

4.2.1.9.7 Send Data (J7)

98

4.2.1.9.8 Receive Data (J8)

99

MN/U-SDM309B Rev. # 4-4–23

100

4-4–24 MN/U-SDM309B Rev. #

101

4.2.2.2 Data Interface

102

4.2.2.3 Transmit Multiplexer

102

4.2.2.7 Backward Alarm

103

MN/U-SDM309B Rev. # 4-4–27

104

4-4–28 MN/U-SDM309B Rev. #

105

MN/U-SDM309B Rev. # 4-4–29

106

4-4–30 MN/U-SDM309B Rev. #

107

MN/U-SDM309B Rev. # 4-4–31

108

MN/U-SDM309B Rev. # 4-4–35

112

4.2.2.10.11 Faults (J11)

115

4.2.2.11 Rear Panel Switches

116

4.2.2.11.1 Drop Data Input

116

4.2.2.11.2 Drop Data Output

116

4.2.2.11.3 Insert Data Input

116

4-4–40 MN/U-SDM309B Rev. #

117

MN/U-SDM309B Rev. # 4-4–41

118

Table 4-3

119

MN/U-SDM309B Rev. # 4-4–43

120

4-4–44 MN/U-SDM309B Rev. #

121

4.3.1 Master/Slave

122

4.3.1.2 Master/Slave G.703

123

4.3.1.3 Master/Slave X.21

123

4.3.2 Master/Master

123

Chapter 5

125

THEORY OF OPERATION

125

Figure 5-1 Modulator Card

127

5-5–4 MN/U-SDM309B Rev. #

128

MN/U-SDM309B Rev. # 5-5–5

129

5.1.3 Theory of Operation

130

5.2.1 General Description

131

MN/U-SDM309B Rev. # 5-5–9

133

5-5–10 MN/U-SDM309B Rev. #

134

MN/U-SDM309B Rev. # 5-5–11

135

5-5–12 MN/U-SDM309B Rev. #

136

MN/U-SDM309B Rev. # 5-5–13

137

5.2.3 Theory Of Operation

138

5.2.3.1 Demod Processor

138

5.2.3.2 Viterbi Decoder

138

5.3 Demodulator

139

5.3.1 General Description

139

5.3.2 Specifications

140

Figure 5-9 Demodulator Card

141

5-5–18 MN/U-SDM309B Rev. #

142

5.3.3 Theory of Operation

143

5.4.1 General

143

5.4.2 Reacquisition

144

5.4.3 Fast Acquisition

145

5.4.4 Directed Sweep

145

Chapter 6

146

MAINTENANCE

146

6-6–2 MN/U-SDM309B Rev. #

147

MN/U-SDM309B Rev. # 6-6–3

148

6-6–4 MN/U-SDM309B Rev. #

149

Table 6-1

150

6-6–6 MN/U-SDM309B Rev. #

151

MN/U-SDM309B Rev. # 6-6–7

152

6.1.4 Test Points

153

Figure 6-6

154

Figure 6-7

155

Figure 6-8

156

Figure 6-9

157

6.2 Fault Isolation

158

6.2.1 Modulator Faults

158

6.2.2 Demodulator Faults

159

Table 6-2

162

6-6–18 MN/U-SDM309B Rev. #

163

MN/U-SDM309B Rev. # 6-6–19

164

6-6–20 MN/U-SDM309B Rev. #

165

MN/U-SDM309B Rev. # 6-6–21

166

6.4 Module Replacement

167

6.5 Module Identification

167

6.6 Repacking For Shipment

167

Table 6-3

168

Appendix A

169

DATA RATES AND FILTERS

169

1.2 Variable Rate Filters

170

MN/U-SDM309B Rev. # A–3

171

A–4 MN/U-SDM309B Rev. #

172

MN/U-SDM309B Rev. # A–5

173

A–6 MN/U-SDM309B Rev. #

174

MN/U-SDM309B Rev. # A–7

175

A–8 MN/U-SDM309B Rev. #

176

MN/U-SDM309B Rev. # A–9

177

Appendix B

178

SATELLITE MODEM REMOTE

178

3.4 End Character

179

3.1 Start Character

179

3.2 Device Address

179

3.3 Command/Responses

179

4.2.2 Demodulator Rate

183

4.2.4 RF Loop-back (ON/OFF)

184

4.2.5 IF Loop-back (ON/OFF)

184

4.2.7 Sweep Reacquisition

185

4.2.8 Fast Acquisition Mode

185

4.2.9 Sweep Center Frequency

185

4.2.10 Sweep Width Range

186

4.2.11 Sweep Direction

186

4.3.12 Interface Buffer Size

188

4.3.13 Transmit Data Fault

189

4.3.14 Receive Data Fault

189

4.3.15 Drop Data Format

189

4.3.16 Insert Data Format

189

4.4.1 Time Of Day

191

4.4.2 Date

191

5.3 Modulator Status

195

5.4 Demodulator Status

195

5.5 Common Equipment Status

196

5.8 Bit Error Rate Status

197

5.8.1 Raw BER

197

5.8.2 Corrected BER

197

5.8.3 Corrected BER Log

197

5.9 Eb/N0 Status

198

5.10 Modulator Rate Status

198

5.11 Demodulator Rate Status

198

5.13 Current Sweep Value

199

5.16 Stored Faults

199

MN/U-SDM309B Rev. # B-B–23

200

B-B–28 MN/U-SDM309B Rev. #

205

5.20 Change Status

206

5.21 Equipment Type

206

B-B–30 MN/U-SDM309B Rev. #

207

Appendix C

208

EXTERNAL CHANNEL UNIT

208

C-C–2 MN/U-SDM309B Rev. #

209

MN/U-SDM309B Rev. # C-C–3

210

C-C–4 MN/U-SDM309B Rev. #

211

MN/U-SDM309B Rev. # C-C–5

212

C-C–6 MN/U-SDM309B Rev. #

213

MN/U-SDM309B Rev. # C-C–7

214

C-C–8 MN/U-SDM309B Rev. #

215

MN/U-SDM309B Rev. # C-C–9

216

C-C–10 MN/U-SDM309B Rev. #

217

2.0 Digital Interfaces

218

2.1.1 Functional Description

218

C-C–12 MN/U-SDM309B Rev. #

219

MN/U-SDM309B Rev. # C-C–13

220

C-C–14 MN/U-SDM309B Rev. #

221

2.1.2 Connector Pinouts

223

2.1.3 Specification

223

2.2 V.35 Interface

224

2.2.1 Functional Description

224

MN/U-SDM309B Rev. # C-C–19

226

C-C–20 MN/U-SDM309B Rev. #

227

2.2.2 Connector Pinouts

228

2.2.3 Specification

228

3.0 Front Panel Operation

229

3.1 Configuration

229

3.2 Monitor

232

3.3 Faults

232

3.4 Stored Faults

233

3.5 Utility

233

Figure C-13 Menu Tree

235

Figure C-14 Menu Tree

236

Figure C-15 Menu Tree

237

MN/U-SDM309B Rev. # C-C–31

238

Appendix D

239

SOFTWARE CHANGE

239

SPECIFICATIONS

239

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