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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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