Comtech EF Data SDM-650B manuals

Comtech ef data SDM-650B User Manual (348 pages)

Brand: Comtech-ef-data | Category: Equipment | Size: 4.17 MB |

English

Table of contents

SDM-650B

1

Preface

5

Cautions and Warnings

6

Military Standards

7

Trademarks

7

Related Documents

7

European EMC Directive

8

Customer Support

9

Table of Contents

11

Rev. 5 ix

13

Rev. 5 xi

15

Rev. 5 xiii

17

Rev. 5 xv

19

Rev. 5 xvii

21

Figures

22

Rev. 5 xix

23

Chapter 1

25

INTRODUCTION

25

1.1 Purpose and Function

26

1.2 Description

27

1.3 System Specification

29

1–8 Rev. 5

32

Rev. 5 1–9

33

1–10 Rev. 5

34

Rev. 5 1–11

35

1–12 Rev. 5

36

Chapter 2

37

INSTALLATION

37

2.2 External Connections

38

2.2.1 DATA I/O

39

2.2.2 Remote (J6)

39

2.2.3 Fault (J7)

39

2.2.4 IF Output (CP1)

40

2.2.5 IF Input (CP2)

40

2.2.6 AC Power

40

2.2.7 GROUND

41

2.3 System Requirements

41

2.4 System Installation

42

Chapter 3

43

CONFIGURATION

43

3.1.1.1 Remote Interface

44

3.1.1.2 Remote Baud Rate

45

3.1.1.3 Remote Address

46

3.1.1.4 Battery

46

3.1.1.7 Utility Defaults

47

3–6 Rev. 5

48

3.2 Digital Interfaces

49

3–8 Rev. 5

50

Rev. 5 3–9

51

3–10 Rev. 5

52

3.2.1.2 Connector Pinouts

54

3.2.1.3 Specification

55

3.2.2 V.35 Interface

56

Rev. 5 3–15

57

3–16 Rev. 5

58

3.2.2.2 Connector Pinouts

60

3.2.2.3 Specification

61

SWITCH 1

62

Rev. 5 3–21

63

(See Note 1)

64

(See Note 2)

64

3.2.3.2 Connector Pinouts

65

3.2.3.3 Specification

65

Rev. 5 3–25

67

3.2.4.2 Optional EXT CLK

68

3.2.4.4 Connector Pinouts

69

3–28 Rev. 5

70

3.2.4.7 Send Data (J4)

72

3.2.4.8 Receive Data (J5)

72

3.2.4.9 Specification

73

Rev. 5 3–33

75

3.2.5.3 Multiplexer

77

3.2.5.4 Demultiplexer

77

3–36 Rev. 5

78

Rev. 5 3–39

81

3.3 Doppler Buffer

82

3–42 Rev. 5

84

Rev. 5 3–43

85

3.3.1 Buffer Setup

86

Rev. 5 3–45

87

3.3.1.1 Buffer Size

88

3.3.1.2 Doppler

88

3.3.1.3 Plesiochronous

89

3.3.1.5 Total Buffer Length

90

3.3.1.6 Converting

90

3.5 I/O Connectors

91

3.6.1 Master/Slave

92

3–52 Rev. 5

94

3.6.1.2 Master/Slave G.703

95

3.6.1.3 Master/Slave X.21

96

Rev. 5 3–55

97

3.6.2 Master/Master

98

• TX-CLOCK: EXT

99

3–58 Rev. 5

100

Rev. 5 3–59

101

3–60 Rev. 5

102

Chapter 4

103

OPERATION

103

4.1 Front Panel

104

4.1.1 LED Indicators

105

4.1.2 Controls

105

4–4 Rev. 5

106

[←] and [→]

106

Rev. 5 4–5

107

4.1.4 Menu Explanations

111

(Test Mode Configuration

112

Option)

112

↑] and [↓] to select

116

4.1.4.2 Select Monitor

117

4.1.4.3 Select Faults

118

4–18 Rev. 5

120

4.1.4.5 Select Utility

121

↑] and [↓] to change that

123

←] and [→] to see the

124

Chapter 5

125

THEORY OF OPERATION

125

5–2 Rev. 6

126

5.1.1 Specifications

127

5–4 Rev. 6

128

5.1.2 Theory of Operation

129

5–6 Rev. 6

130

Rev. 6 5–7

131

5.2.1 Specification

132

5.2.2 Theory of Operation

133

5.2.2.2 Sequential Decoder

134

Rev. 6 5–11

135

5–12 Rev. 6

136

Rev. 6 5–13

137

5–14 Rev. 6

138

Rev. 6 5–15

139

5.3 Demodulator

140

5.3.1 Specifications

141

5.3.2 Theory of Operation

141

5.4.1 Reacquisition

142

5.4.2 Fast Acquisition

143

5.4.3 Directed Sweep

144

Chapter 6

145

MAINTENANCE

145

6.1.2 Demodulator

146

Rev. 6 6–3

147

6–4 Rev. 6

148

Various Code Rates

149

6–6 Rev. 6

150

Rev. 6 6–7

151

6.1.3 Test Points

152

6.1.3.1 Modulator

152

6.1.3.2 Demodulator

153

6.2 Fault Isolation

155

Rev. 6 6–17

161

6–18 Rev. 6

162

Rev. 6 6–19

163

6–20 Rev. 6

164

6.4 Module Replacement

165

6.5 Module Identification

165

Appendix A

167

DATA RATES AND FILTERS

167

A–2 Rev. 6

168

Rev. 6 A–3

169

A–4 Rev. 6

170

A.2 Variable Rate Filters

172

←] and [→] to move

174

A.2.3 Utility

175

←] and [→]

176

Appendix B

177

REMOTE CONTROL OPERATION

177

B.1.1 General

178

B.1.2 Message Structure

178

B.1.2.1 Start Character

178

B.1.2.2 Device Address

179

B.1.2.3 Command/Response

180

B.1.2.4 End Character

180

B.1.3.1 Remote

181

B.1.3.3 Set RF Output

181

B.1.3.7 Modulator Rate

183

B.1.3.8 Demodulator Rate

185

B.1.3.9 Scrambler Enable

186

B.1.3.10 Descrambler Enable

186

B.1.3.12 Transmit Clock

187

B.1.3.13 Receive Clock

187

B.1.3.14 Baseband Loopback

187

B.1.3.15 RF Loopback

188

B.1.3.16 IF Loopback

188

B.1.3.17 Time of Day

188

B.1.3.18 Date

189

B.1.3.20 BER Threshold

189

B.1.3.22.3 Sweep Direction

192

B.1.3.24.1 Buffer Clock

193

B.1.4.1 Configuration

194

B.1.4.3 Modulator Status

197

B.1.4.4 Demodulator Status

197

B.1.4.7 BER Status

199

B.1.4.7.1 Raw BER

199

B.1.4.7.2 Corrected BER

199

B.1.4.8 E

200

Status

200

B.1.4.13 Stored Faults

202

B.1.4.17 Change Status

207

B.1.4.18 Equipment Type

208

B.2.1 General

209

B.2.2 Message Structure

209

B.2.2.1 Start Character

210

B.2.2.2 Device Address

210

B.2.2.3 Command/Response

211

B.2.2.4 End Character

211

B.2.3.2 Set RF Output

212

B.2.3.5 Modulator Rate

214

B.2.3.6 Scrambler Enable

215

B.2.4.2 Demodulator Rate

216

B.2.4.3 Descramble Enable

218

B.2.4.4 RF Loopback

218

B.2.4.5 IF Loopback

218

B.2.4.6 BER Threshold

218

B.2.4.7 Sweep Reacquisition

219

B.2.4.8.2 Sweep Width Range

220

B.2.4.8.3 Sweep Direction

221

B.2.5.1 Transmit Clock

221

B.2.5.2 Buffer Clock

221

B.2.5.3 Receive Clock

222

B.2.5.5 Interface Loopback

222

B.2.5.6 Baseband Loopback

222

B.2.6.1 Time of Day

225

B.2.6.2 Date

226

B.2.6.3 Remote

226

B.2.6.4 Clear Stored Faults

226

B.2.7.1.1 Local AUPC Enable

227

Pattern)

230

Modulator/Coder

231

B.2.8.3 Modulator Status

236

B.2.8.4 Demodulator Status

236

B.2.8.8.1 Raw BER

238

B.2.8.8.2 Corrected BER

238

B.2.8.9 E

239

B.2.8.10 Modulator Rate

239

B.2.8.11 Demodulator Rate

239

B.2.8.16 Stored Faults

241

B.2.8.20 Change Status

248

B.2.8.21 Equipment Type

248

Appendix C

249

FIELD COMPATIBILITY

249

Appendix D

251

SOFTWARE CHANGE

251

INSTRUCTIONS

251

Appendix E

253

AGC INTERFACE

253

E.1 Connector Pinouts

254

E.2.1 Parts Required

254

Ω between U1 pin 1 and

255

Figure E-2. Wiring Diagram

256

Rev. 5 E–5

257

E–6 Rev. 5

258

Appendix F

259

ASYNCHRONOUS OVERHEAD

259

CHANNEL UNIT

259

F–2 Rev. 5

260

RECEIVE SECTION

261

TRANSMIT SECTION

261

F.1.1 Terrestrial Interface

262

F.1.2 Multiplexer

264

F.1.3 Demultiplexer

264

F.1.4 Plesiochronous Buffer

265

F.4.1 AUPC

268

Rev. 5 F–11

269

F.5 Front Panel Operation

270

F.5.2 Menu Explanations

278

Refer to Table F-4

279

to move the flashing

279

Refer to Table F-5

281

Refer to Table F-6

283

Refer to Table F-7

286

F.5.2.2 Select Monitor

287

F.5.2.3 Select Faults

288

F.5.2.5 Select Remote

292

F.5.2.5.2 Remote Monitor

292

F.5.2.6 Select Utility

293

F–38 Rev. 5

296

Appendix G

297

TROJAN INTERFACE

297

G–2 Rev. 5

298

G–4 Rev. 5

300

G.2 Connector Pinouts

301

G.3 Specification

302

G.4 Configuration Guide

303

G.4.3 Interface Defaults

304

G.5 Front Panel Operation

305

G–10 Rev. 5

306

G.5.2.5 Select Utility

311

G.6.1 General

312

G.6.1.1 Message Structure

312

G.6.1.1.1 Start Character

313

G.6.1.1.2 Device Address

313

G.6.2 Command/Response

314

G.6.3 End Character

314

G.6.4.1 Modulator

315

G.6.4.1.2 Set RF Output

315

G.6.4.1.3 Modulator Rate

316

G.6.4.2 Demodulator

319

G.6.4.2.2 Demodulator Rate

319

G.6.4.2.3 Descramble Enable

321

G.6.4.2.4 IF Loopback

321

G.6.4.2.5 RF Loopback

321

G.6.4.2.9 Sweep Width Range

323

G.6.4.2.10 Sweep Direction

323

G.6.4.3.1 Baseband Loopback

324

G.6.4.3.2 Transmit Clock

324

G.6.4.3.3 Receive Clock

324

G.6.4.4.1 Time of Day

326

G.6.4.4.2 Date

326

G.6.4.4.3 Remote

327

G.6.4.5.1 Configuration

328

G.6.4.5.3 Modulator Status

331

G.6.4.5.6.1 Raw BER

332

G.6.4.5.6.2 Corrected BER

333

G.6.4.5.7 E

333

G.6.4.5.8 Modulator Rate

333

G.6.4.5.9 Demodulator Rate

334

G.6.4.5.12 Stored Faults

334

“FAM_” command definition

337

G.6.4.5.16 Change Status

339

G.6.4.5.17 Equipment Type

340

Glossary

341

OSC Oscillator

344

METRIC CONVERSIONS

347

Units of Length

347

Temperature Conversions

347

Units of Weight

347

480 • 333 • 2200 PHONE

348

480 • 333 • 2161

348

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