Comtech EF Data DMD-2050E manuali

Comtech ef data DMD-2050E Manuale Utente (342 pagine)

Marchio: Comtech-ef-data | Categoria: Apparecchiature | Dimensione: 10.38 MB |

Inglese

Indice

DMD-2050E

1

BLANK PAGE

10

Table of Contents

11

vii

15

viii

16

xii

20

xiii

21

xiv

22

Figures

23

xvi

24

PREFACE

25

Electrical Safety

26

Battery

26

Grounding

26

Environmental

27

Low Voltage Directive (LVD)

27

CE Mark

28

Preface MN-DMD2050E

29

Chapter 1. Introduction

31

1.2 DMD2050E Configurations

32

1.2.1 Features

32

1.2.3 Bandwidth Compression

33

1.2.4 Interfaces

34

1.2.6 Compatibility

34

1.2.7 Physical Description

34

Chapter 2. Installation

37

2.2 Installation Safety

38

2.3.1 Location

39

2.3.2 Airflow

39

2.3.3 Temperature

39

2.3.4 Electrical Power

39

2.3.5 Cables

40

2.5 Modulator Checkout

41

2.5.1 Initial Start Up

41

3.1 DMD2050E Hardware

43

3.2.1 Front Panel

47

3.2.2 Baseband Processing

47

3.2.6 Terminal Port

50

3.2.8 Ethernet M&C Port

51

3.2.9 Modem Monitor Status

51

3.3 Internal Clock

52

3.5.1 Clock Selection

55

3.5.2 TX Clock Options

56

3.5.3.1 RX SAT Clock

58

Clock specification

59

Frequency 1 MHz to 20 MHz

59

3.6 Transmit Timing Options

60

3.6.2 G.703 Interface

60

3.6.3 HSSI Interface

60

3.8 Ebem Framing Unit

62

3.8.2 Embedded Channel

62

3.9 STANAG Turbo Coding

62

3.10 FIPs TRANSEC Module

63

3.10.1.1 Key Agreement

63

3.10.1.2.1 Key Derivation

66

DMD2050E

71

DMD2050E CnC Module

71

3.11.6 Margin Requirements

77

3.11.15 Glossary

91

3.12.1 LDPC versus TPC

94

3.12.2 TPC and LDPC Summary

98

3.13 Reed-Solomon Codec

98

3.13.3 Interleaving

99

Communications)

100

3.16 Standard IBS Mode

102

3.18 ESC Backward Alarms

103

See also:

104

3.19.2 Aggregate Data Rate

106

(less than In-Band Rate)

108

Port labeled ASYNC (J17)

110

Chapter 4. User Interfaces

113

4.2.2 Arrow Keys

114

4.2.3 Numeric Keys

114

4.2.4 LED Lights

115

4.3 Parameter Setup

116

4.3.1 Select a Parameter

116

4.4 Front Panel Main Menus

116

4.4.1.1 NETWORK SPEC (menu)

117

4.4.1.2 STRAP CODE

118

4.4.1.3 IF (menu)

118

4.4.1.4 DATA (menu)

118

4.4.1.5 REED-SOLOMON (menu)

121

4.4.1.6 AUPC (menu)

121

4.4.1.7 LOCAL AUPC (menu)

122

4.4.1.8 REMOTE AUPC (menu)

125

4.4.1.9 ITA (menu)

125

4.4.2.1 NETWORK SPEC (menu)

126

4.4.2.2 STRAP CODE

127

4.4.2.3 IF (menu)

127

4.4.2.4 DATA (menu)

128

4.4.2.5 REED-SOLOMON (menu)

129

Hz) between the

130

4.4.3.1 TX SETUP (menu)

131

4.4.3.2 RX SETUP (menu)

134

4.4.3.3 GENERAL (menu)

136

4.4.4.1 LINK STATUS (menu)

137

4.4.4.2 VOLTAGES (menu)

139

4.4.4.3 CnC (menu)

139

4.4.4.4 ITA (menu)

139

4.4.6.1 FRONT PANEL (menu)

140

4.4.6.2 REMOTE CONTROL

140

4.4.6.3 TERMINAL (menu)

141

4.4.6.4 REMOTE PORT (menu)

141

4.4.6.5 TCP/IP (menu)

141

4.4.6.6 SNMP (menu)

143

4.4.6.7 FTP (menu)

144

4.4.6.8 WEB (menu)

144

4.4.6.9 TRANSEC (menu)

145

4.4.6.10.2 FEATURES (menu)

147

4.5 Terminal Mode Control

150

4.5.1 Terminal Mode Screens

150

5.1.1 Ground Connector

154

5.1.2 Power Switch

154

5.2 Front Panel Connections

155

5.2.1 Key Loader Interface

155

5.3 Rear Panel Connectors

156

5.3.2 EXT REF (J10)

157

5.3.4 ALARM (J15)

158

5.3.5 EXT CLK (J16)

159

5.3.6 ASYNC (J17)

160

5.3.8 MIL-188-114A (J19)

161

Chapter 6. Maintenance and

163

Troubleshooting

163

6.2 Troubleshooting

164

6.3 Alarms

165

6.3.2 Major Rx Alarms

165

6.3.3 Minor Tx Alarms

166

6.3.3.1 Minor Rx Alarms

167

6.4 Alarm Masks

170

6.4.1 Active Alarms

170

6.4.1.1 Major Alarms

170

6.4.1.2 Minor Alarms

170

6.4.3 Latched Alarms

171

6.4.4 Backward Alarms

173

6.5 IBS Alarms and Actions

174

7.1 Modulator

175

7.2 Demodulator

176

7.3 Plesiochronous Buffer

177

7.4 Monitor and Control

177

7.11 Data Rate Limits

179

7.11.1 Non-DVB

179

7.11.2 DVB

181

7.12 BER Specifications

183

Sequential

184

184

Viterbi Decoder Reed

185

Turbo Decoder

186

Trellis

187

Viterbi

189

Viterbi Decoder

190

Reed Solomon

190

LDPC Decoder

196

MILSTD 188-165B

200

MILSTD 188

201

7.13 AGC Output Voltage

208

Appendix A. Product Options

209

B.1 Introduction

211

B.2 Required Equipment

211

B.3 Procedures

211

B.3.2 Record the Unit ID

213

B.3.4 Install the Code

214

Appendix C. Carrier Control

217

C.3 Carrier States

218

C.3.1 Carrier OFF

218

C.3.2 Carrier ON

218

C.3.3 Carrier AUTO

218

C.3.4 Carrier VSAT

219

C.3.5 CARRIER RTS

219

Appendix D. Web Interface

221

Setup Guide

221

D.2.2 IP Address

222

D.3 Web Interface Security

222

D.3.1 Default User Accounts

222

D.3.2 User Account Data

223

D.1 User Account Setup

223

D.1.1 Edit the User ID

224

D.1.2 Edit the Access Group

224

D.2 Reset a User Account

225

D.3 Confirmation

225

D.4 Equipment Website

226

D.5 Web Page Appearance

228

D.6.3.1 Change the encoding

233

D.6.4.4 Change the encoding

238

D.6.5.2 Change the encoding

241

E.1 Introduction

243

E.2 System Requirements

243

E.3 Configuration Examples

244

Figure E-1. Looped Modems

245

E.4 Functional Descriptions

246

E.4.1 Drop Only

246

E.4.2 Insert Only

246

E.4.3 Data Formats

248

E.4.3.1 PCM-30

248

E.4.3.2 PCM-30C

248

E.4.3.3 PCM-31

248

E.4.3.4 PCM-31C

249

E.4.3.5 T1-D4/T1-D4-S

249

E.4.3.6 T1-ESF/T1-ESF-S

249

E.5.1 Data Rate

253

Example 1:

255

Example 2:

257

E.8 Prerequisite

266

F.1 Introduction

271

F.4 Ethernet Test

274

Network)

274

Appendix G. AUPC Operation

279

G.1.2 EF AUPC

280

G.1.3 Near Side AUPC

280

G.1.4 EBEM AUPC

281

Appendix H. Ethernet Data

283

Interface Setup

283

H.1.1 Ethernet Flow Control

284

H.1.2 Ethernet Daisy Chain

284

H.1.3 Ethernet QOS Type

285

H.1.4 Ethernet QOS Queue

285

H.1.6 Packet Statistics

287

Appendix I. Strap Codes

289

I.2 Sample Applications

294

Appendix J. ITA Operation

303

J.1.2 Basic Setup (Example)

305

Table J-3 - ITA Setup

313

TRANSEC Module

333

480 • 333 • 2200 PHONE

342

• 333 • 2161 FAX

342

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