Comtech EF Data SDM-300L3 manuales

Comtech ef data SDM-300L3 Manual de usuario (408 paginas)

Marca: Comtech-ef-data | Categoria: Equipo | Tamaño: 5.52 MB |

Inglés

Tabla de contenidos

Satellite Modem

1

Installation and O

1

SDM-300L3

3

Customer Support

4

Table of Contents

5

Preface MN/SDM300L3.IOM

10

Figures

13

About this Manual

15

Related Documents

15

Conventions and References

15

Cautions and Warnings

15

Metric Conversion

16

Trademarks

16

Electrical Safety

17

Environmental

17

Installation

18

Warranty Policy

20

Limitations of Warranty

20

Exclusive Remedies

20

Disclaimer

20

Chapter 1. INTRODUCTION

21

Introduction MN/SDM300L3.IOM

22

1.1 Overview

23

1.2 Options Summary

23

1.5 Compatibility

26

1.6.1 Overview

26

1.6.2 Description

26

1.6.4 BPSK Encoding

28

1.6.5 QPSK Encoding

28

1.6.6 OQPSK Encoding

29

1.6.7 8-PSK Encoding

29

1.7.1 Overview

30

1.8.1 Overview

32

. M&C Block Diagram

33

1.9 Dimensional Envelope

35

Chapter 2. INSTALLATION/

37

UPGRADES

37

2.2 Installation

38

2.3.1.1 Installation

40

Overhead

41

2.3.2 Reed-Solomon PCB

42

2.3.2.1 Unpacking

42

2.3.2.2 Installation

42

Reed-Solomon Cards (TX

43

RX, or Duplex in Either

43

2.3.3.1 Unpacking

44

2.3.3.2 Installation

44

2.4.1 G.703/ASYNC Module

48

2.5 Hardware Upgrades

50

2.6 Flash Upgrading

52

Chapter 3. CONNECTOR PINOUTS

55

J2 J3 J4 J5

56

3.2.10 AC Power Connector

68

Chapter 4. FRONT PANEL

69

4.2 LED Indicators

70

4.3 Front Panel Keypad

71

4.4 Menu System

72

4.4.5 REVISION EMULATION

73

4.5 Menu Tree

74

SDM-300L3 CUSTOM

75

VER: X.X.X

75

FUNCTIONAL SELECT

75

TX-X CODE/DATA RATE

76

TX-IF FREQUENCY

78

1200.0000 MHz

78

TX TERMINAL FREQUENCY

78

5845.0000 MHz

78

TX-IF OUTPUT

79

TX POWER LEVEL

79

SCRAMBLER

80

DIFF. ENCODER

80

CARRIER MODE

81

MODEM REFERENCE

81

ODU OUTPUT DELAY

83

ODU 10 MHZ REF

83

RS ENCODER (CONDITIONAL)

84

RX-X CODE/DATA RATE

84

RX-IF FREQUENCY

86

RX TERMINAL FREQUENCY

87

4200.0000 MHz

87

DESCRAMBLER

87

DIFF. DECODER

88

RF LOOP BACK

89

IF LOOP BACK

90

RS DECODER

94

TX CLOCK SOURCE

95

TX CLOCK PHASE

96

EXT-CLK FREQ

96

BUFFER CLOCK

97

RX (SATELLITE)

97

RX CLOCK PHASE

97

B-BAND LOOP BACK

98

INTRFC LOOP BACK

99

BUFFER SIZE (CONDITIONAL)

100

PCB is installed

101

RX DATA FAULT

102

TX 2047 PATTERN

102

RX 2047 PATTERN

103

TX CODING FORMAT

103

RX CODING FORMAT

104

SERVICE CHANNEL

104

DROP FORMAT

106

INSERT FORMAT

107

Card is installed

108

Overhead Card is installed

109

IMPORTANT

110

(CONDITIONAL)

114

TRACKING RATE (CONDITIONAL)

117

REMOTE CL ACTION

118

CONFIGURATION

119

AGGREGATE DATA RATE

121

(OPTIONAL/CONDITIONAL)

121

N * 64.0 Kbps for D&I

122

AUPC, or DISABLED

124

RX CHAN #4 DATA RATE

127

RX CHAN #4 PHASE

127

↑] or [↓]. Press

128

(OPTIONAL) (CONDITIONAL)

133

(CONDITIONAL)

136

MODULATOR

137

137

DEMODULATOR

137

TX INTERFACE

138

RX INTERFACE

139

BACKWARD ALARMS

140

OUTDOOR UNIT

141

FUNCTION SELECT

142

STORED FLTS/ALMS

142

AUPC ENABLE (CONDITIONAL)

148

2047 ERRORS

150

ASSIGN TRANSMIT FILTERS

152

TX TERMINAL LO

154

0 MHz MIX:

154

MOD POWER OFFSET

155

MODULATOR TYPE

155

SCRAMBLER TYPE

156

ASSIGN RECEIVE FILTERS

161

RX TERMINAL LO

163

O MHz MIX:

163

RX BPSK ORDERING

165

DEMOD SPECTRUM

165

TX OVERHEAD TYPE

168

RX OVERHEAD TYPE

168

IDR BACKWARD

173

ALARM CONTROL

173

MASTER RESET

185

HARD/SOFT

185

MODEM TYPE

186

MODEM OPTIONS

187

CARD #1 TYPE

188

OVERHEAD 01

188

CARD #2 TYPE

188

REED SOLOMON 03

188

CARD #3 TYPE

189

REED SOLOMON 02

189

CARD #1 OPTIONS

189

CARD #2 OPTIONS

190

CARD #3 OPTIONS

191

LOCAL MODEM AUPC

191

MODEM SERIAL #

192

012345678

192

CARD #1 SERIAL #

192

to execute the change

193

FACTORY SET-UP

196

Chapter 5. MODEM TYPE

201

5.2 IDR Operation

202

5.3 IBS Operation

203

5.3.1 309 IBS Operation

203

5.3.2 VSAT IBS Operation

203

5.4 D&I Operation

204

5.5 ASYNC/AUPC Operation

205

Modem Types MN/SDM300L3.IOM

206

5.7 Custom Operation

208

5.8 Reed-Solomon Modes

209

Chapter 6. CLOCKING AND RX

211

BUFFERING SETTINGS

211

Figure 6-1

214

RECOVERY

216

RX CLOCK = INSERT

218

6.3 Buffering

219

FIGURE 6-6. CLOCK SLIP

220

FIGURE 6-7. DOPPLER SHIFT

221

6.3.1 Buffer Size

222

6.4 Doppler

222

6.5 Plesiochronous

223

6.7 Frame/Multiframe Length

227

6.7.2 Total Buffer Length

227

CHAPTER 7. FEC AND TURBO

229

7.2 Coding

230

7.3.1 Introduction

230

Figure 7-1. Viterbi Decoder

235

Eb/No (dB)

236

UNCODED 1:1 BPSK OQPSK

237

Chapter 8. SYSTEM CHECKOUT

243

8.1.1 Interface Checkout

244

8.1.2 Modulator Checkout

245

WITH NOISE

248

WITHOUT NOISE

248

Chapter 9. FAULT ISOLATION

249

9.1.1 System Faults/Alarms

250

9.1.3.1 Faults Tree

251

9.1.3.2 Modulator Faults

254

9.1.3.3 Demodulator Faults

255

9.1.3.4 Outdoor Unit

256

Chapter 10. OPEN NETWORK

259

OPERATIONS

259

10.2.1 IBS Modem Defaults

262

10.3 IDR

263

0 dB V.35 Scrambler ON

266

10.4.1.1 Data Interface

269

10.4.1.2 Transmit MUX

269

10.4.1.3 Receive DEMUX

270

10.4.1.6 Backward Alarm

271

follows:

272

. D&I Modem Faults

275

Chapter 11. ASYNCHRONOUS

277

INTERFACE/AUPC

277

. ASYNC/AUPC Block Diagram

279

11.2 AUPC

280

TX and RX Reed-Solomon

281

11.2.1.1 Remote AUPC

282

11.3 ASYNC

283

11.3.3 MUX Operation

284

11.3.4 DEMUX Operation

284

11.3.5 Buffer Operation

284

11.3.8 Non-ASYNC Operation

286

ASYNC REMOTE OPERATION

288

LOCAL END REMOTE END

289

EIA-485 [4-Wire])

294

[2-Wire])

295

[4-Wire])

298

Chapter 12. G.703

301

G.703 MN/SDM300L3.IOM

302

CHAPTER 13. FULLY

303

ACCESSIBLE SYSTEM

303

TOPOLOGY (FAST)

303

Select Features:

304

Options MN/SDM300L3.IOM

305

Verify Upgrade

306

CHAPTER 14 . SPECIFICATIONS

307

Figure 14-1. Block Diagram

308

14.2 Specification Summary

309

Dual: dual sideband

310

14.5.1 Digital Data Rate

312

Capacitively coupled

315

-63.0 100 Hz

316

-73.0 1 kHz

316

-83.0 10 kHz

316

-93.0 100 kHz

316

≤ -25 dBc and carrier

318

14.6 Encoding

319

14.6.1 BPSK Encoding

319

15.6.1 QPSK Encoding

319

14.6.2 OQPSK Encoding

320

14.6.3 8-PSK Encoding

320

14.7.1 Digital Data Rate

321

14.7.3 Descrambling Types

324

14.7.5 BPSK Bit Ordering

324

300L_levels.xls

327

(Optional)

328

Reed Solomon(Optional)

329

(Optional)

330

14.8.8 BER Threshold

330

14.9 Acquisition Time

331

14.9.3 AGC Output

332

14.10.13 Switch Faults

335

14.11 Decoding

335

14.11.1 BPSK Decoding

335

14.11.2 QPSK Decoding

335

14.11.4 8-PSK Decoding

336

14.13.5 Turbo AUPC

342

14.14.3 IBS Framing

342

14.14.5 IBS Scrambling

343

14.15.2 D&I Framing

344

14.16.2 IDR Framing

345

14.17 System Specifications

346

14.17.1 Loopback Modes

346

14.17.2 Test Modes

346

14.17.3 Remote Control

347

14.17.5 Monitored Signals

347

14.18 Stored Faults

348

14.19 Stored Configurations

348

14.20 Interoperability Modes

348

Chapter 15. BUC FSK

349

COMMUNICATIONS

349

15.2 Message Structure

350

15.3 Power Class

351

Appendix A. REMOTE CONTROL

353

OPERATION

353

A.2 Message Structure

354

A.2.1 Start Character

354

A.2.2 Device Address

354

A.2.3 Command/Response

355

A.2.4 End Character

356

Command:

358

(MPO_)

358

Modulator Output Power

372

AUPC Local Power Enable

373

A.4.4 Fault Status

378

A.4.5 Error Performance

379

A.5 Stored Faults

382

Appendix B. Burst Mode

399

Modulator Operation

399

B.2 Specifications

400

B.2.1 Digital Data Rate

400

Capacitively coupled

401

B.2.8 Phase Noise

402

B.2.10 Transmit IF Power

402

B.2.13 Spurious Emissions

403

B.2.17 Transmit Preamble

404

B.2.18 Transmit Packet

404

B.2.19 Transmit Postamble

404

METRIC CONVERSIONS

407

Units of Length

407

Temperature Conversions

407

Units of Weight

407

480 • 333 • 2200 PHONE

408

480 • 333 • 2161

408

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