Verilink AS2000: The Basics (880-502981-001) Product Manual Manuale Utente Pagina 159
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Acronyms and Definitions
Verilink Access System 2000: Basics Glossary-39
PROM Programmable Read-Only Memory.
protocol The set of rules governing the
format, timing, sequencing, and
error control of exchanged
messages over a network or
between devices. Needed for data
transfer and communication
between two directly connected
organized units.
PSES P-bit Severely Errored Seconds. A
second during which a DS3 circuit
experiences 44 or more PCVs OR
one or more Out of Frame defects
OR a detected incoming AIS. The
PSES count does not increase when
UASs are counted.
public switched telephone network
(PSTN)
The public network operated by
carriers who provide leased lines
and packet-switched circuits so
users can connect customer site
equipment for data
communications. Sometimes
referred to as a private network.
PVC See
Permanent Virtual Circuit
(PVC)
.
PWR 2940 A power supply for use with a
Dual-line Shelf
(DLS). See
universal power supply (PWR
2940)
.
- Verilink Access System 2000 1
- The Basics 1
- Copyright Notice 2
- Trademarks 2
- FCC Requirements 2
- Lithium Battery 2
- Canadian 3
- Requirements 3
- Safety Precautions 3
- Product Warranty 4
- Customer Service 4
- Publications Staff 4
- Table of Contents 5
- About this Manual 10
- Access System 2000 Overview 11
- AS2000 System 12
- AS2000 Design 13
- AS2000 Management Options 14
- Node Manager 15
- Management 15
- Support Cross 15
- Reference 15
- Performance Monitoring 16
- System Information 17
- Quint-line Shelf 18
- ACP Data Bus 19
- Structure 19
- ACP Controller 20
- Bus Structure 20
- Types of Modules 21
- Data Service Unit 22
- (DSU) Modules 22
- System Node 1 23
- System Node 2 23
- AS2000 Modules 24
- ACP-Based 25
- Application 25
- Timing Source 26
- DCE to DTE Timing 27
- Crossover 28
- Connection 28
- TABS-Based 29
- Timing Options 29
- Shelf Sync Master 30
- Site Planning 31
- System Cabling 32
- Considerations 32
- System Power 33
- Hardware 34
- Dimensions 34
- Heat Dissipation 35
- Preparation Guidelines 37
- Configuration Worksheets 38
- Shelf Planning 39
- Worksheets for 39
- TABs Modules 39
- ACP Modules 41
- Hardware Installation 47
- Shelf Mounting 48
- Fuse Panel 50
- AC Power Connections 51
- DC Power Connections 52
- Connect the 54
- Power Supply 54
- Fan Shelves 55
- DC Power Fan 56
- Shelf Connections 56
- Fan Alarm 57
- Installing the 58
- TIU Installation 59
- Application and 60
- Verification 60
- Supplies (PAC 61
- Applying AC Power 61
- AS2000 Cabling 63
- Setting the Shelf 64
- Daisy-Chaining 65
- Test Equipment 67
- System Failure 68
- Alarm Description 69
- Classification 69
- Problem Types 69
- Configuration Problems 73
- Near End Far End 74
- Data Port 76
- Loopback (DPLB) 76
- Test Patterns 76
- Performance 77
- Register 77
- Definitions 77
- Data Processing 81
- Power Failure 82
- AC Power 83
- System Fault 85
- Isolation 85
- Compliance Statements 89
- Data Interface 90
- Specifications 90
- Mean Time 90
- Between Failure 90
- Required 91
- Information for 91
- Instructions and 91
- Testing 91
- Certifications and Compliance 92
- Illustrated Parts List 96
- Part Number: 458-501594-00X 99
- System Cables 100
- 458-501783-012 (12 ft.) 110
- 458-501784-006 (6 ft.) 112
- T1/E1 Line Interface Cables 116
- Part Number: 458-501768-0XX 118
- Part Number: 458-501769-XXX 119
- Acronyms and Definitions 121
- Frame Relay Access Device 141
- Local Area Network 149
- Megahertz 153
- Management Information 153
- Base (MIB) 153
- Multi-line Shelf 153
- payload loopback 158
- Permanent Virtual Circuit 159
- Dual-line Shelf 159
- Channel 160
- Service Unit (CSU) 160
- Telemetry Asynchronous 166
- Block Serial (TABS) 166
- Wide Area Network (WAN) 170
- Numerics 175
- VERILINK CORPORATION 179
- 127 JETPLEX CIRCLE 179
- MADISON, ALABAMA 35758 179
- TEL: (800) 837-4546 179
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