Att DEFINITY 7200 series manuals

Att DEFINITY 7200 series User Manual (348 pages)

Brand: Att | Category: Hardware | Size: 1.72 MB |

English

Table of contents

Network and Data Connectivity

1

CONTENTS

10

CONTENTS xi

11

ACCUNET Packet Service 8-22

12

CONTENTS xiii

13

CONTENTS xv

15

ABOUT THIS DOCUMENT xix

19

ABOUT THIS DOCUMENT

20

INTRODUCTION TO CONNECTIVITY

22

TRANSMISSION TYPES

23

ANALOG TRANSMISSION

23

DIGITAL TRANSMISSION

23

1-4 TRANSMISSION TYPES

24

ANALOG VS. DIGITAL

25

TRANSMISSION STATES

27

VOICE TRANSMISSION

27

Entering the Switch

27

1-8 TRANSMISSION STATES

28

Exiting the Switch

29

DIMENSION S75/G1 S85/G2

30

DATA TRANSMISSION

31

Protocol Layers

31

1-12 TRANSMISSION STATES

32

Protocols Used

33

Protocol States

34

Connectivity Rules

35

MULTIPLEXED COMMUNICATION

37

TYPES OF MULTIPLEXING

37

Time-Division Multiplexing

37

Statistical Multiplexing

38

Line Coding

39

Signal Inversion

41

(Continued)

42

Signaling

45

Multiplexing onto T1 Trunks

49

• 4-wire E&M trunks

51

• DDS data-port adaptors

51

• OCU data ports

51

Multiplexing with Microwave

52

Demultiplexing

52

STATISTICAL MULTIPLEXING

54

TRUNKING

55

APPLICATION

55

Local Exchange Trunks

55

Tie Trunks

56

Special-Access Trunks

57

Auxiliary Trunks

57

Miscellaneous Trunks

57

CONNECTIVITY

58

ADMINISTRATION OPTIONS

59

System 85/G2 Administration

59

• Line coding (ZCS or B8ZS)

61

• Framing (D4 or ESF)

61

• Mode 1 — 56 kbps channel

62

TRUNKING 1-43

63

1-44 TRUNKING

64

TRUNKING 1-45

65

1-46 TRUNKING

66

TRUNKING 1-47

67

1-48 TRUNKING

68

TRUNKING 1-49

69

1-50 TRUNKING

70

TRUNKING 1-51

71

1-52 TRUNKING

72

• Extension

84

DIMENSION • • • • • •

90

3. TANDEM TIE TRUNK NETWORKS

93

3-2 TANDEM TIE TRUNK NETWORKS

94

DIMENSIONs

101

DIMENSION, System 85

105

DIMENSION

120

DIMENSION 12

120

DIMENSION DCS

120

DIMENSION, System 85, and

121

DIMENSION, System

121

DIMENSION 4 20

121

DEFINITY Communications

123

DIMENSION Signaling Links

132

FEATURE FP8 R1 R2 R1 G1 G2

135

DIMENSION PBX

136

DIMENSION and

140

DIMENSION PBX and

142

__________________

150

DTE CONNECTIONS

157

DTE COMPATIBILITY

157

Protocol Converters

157

Terminal Emulators

158

PC/PBX or PC/ISDN

158

DCE POSSIBILITIES

159

Data Modules

159

DATA MODULE CHARACTERISTICS

160

DTE CONNECTIONS 8-7

161

DTE CONNECTIONS 8-9

163

MODEM POOLING CONNECTIONS

164

8-12 DTE CONNECTIONS

166

LAN TOPOLOGY

167

LAN PROTOCOL

167

LAN TRANSMISSION MEDIA

168

LAN CONNECTORS

168

• Electronic messaging

175

• Electronic order exchange

175

• File transfers

175

ACCUNET Packet Service

176

MPDM/M1*

177

PRIVATE DATA NETWORKS

180

THE ISDN GATEWAY

185

DATA NETWORK ADMINISTRATION

189

A. RELATED DOCUMENTS

199

RELATED DOCUMENTS

200

RELATED DOCUMENTS A-3

201

RELATED DOCUMENTS A-5

203

RELATED DOCUMENTS A-7

205

RELATED DOCUMENTS A-9

207

A-10 RELATED DOCUMENTS

208

DEFINITY

217

• Type I Interface

246

DIMENSION PBX switches

250

DIMENSION PBX with LC08

256

MEGACOM Service

260

* DTS = Dial Tone Start

263

COMMUNICATIONS PROTOCOLS

274

D-4 COMMUNICATIONS PROTOCOLS

276

COMMUNICATIONS PROTOCOLS D-5

277

D-6 COMMUNICATIONS PROTOCOLS

278

COMMUNICATIONS PROTOCOLS D-7

279

• Basic rate interface (BRI)

282

COMMUNICATIONS PROTOCOLS D-11

283

COMMUNICATIONS PROTOCOLS D-15

287

VARIABLE LENGTH

287

• RLR — remote loop request

288

PARAMETER DCP ISDN-BRI

289

COMMUNICATIONS PROTOCOLS D-19

291

E. LEAD DEFINITIONS

293

CIRCUIT CIRCUIT

294

LEAD DEFINITIONS

296

CIRCUIT OUTPUT

297

CIRCUIT CIRCUIT OUTPUT

298

NO. PLUS

299

7404D MPDM MTDM (NOTE 1)

299

ABBREVIATIONS

307

DATAPHONE digital service

308

DIMENSION)

309

ACCUNET Service

311

AB-6 ABBREVIATIONS

312

GLOSSARY

313

GLOSSARY GL-3

315

GLOSSARY GL-5

317

GLOSSARY GL-7

319

GLOSSARY GL-9

321

GLOSSARY GL-11

323

GLOSSARY GL-13

325

GLOSSARY GL-15

327

GLOSSARY GL-17

329

GLOSSARY GL-19

331

GLOSSARY GL-21

333

GLOSSARY GL-23

335

INDEX IN-3

339

INDEX IN-5

341

DIMENSION 2-6

342

INDEX IN-7

343

MEGACOM 1-37

344

MEGACOM 800 1-37

344

INDEX IN-9

345

ACCUNET 1-37

347

IN-12 INDEX

348

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