Verilink AS2000: The Basics (880-502981-001) Product Manual Uživatelský manuál Strana 5

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Table of Contents
Verilink Access System 2000: The Basics v
About this Manual
.......................................................................................................ix
Access System 2000 Overview
................................................................................ 1-1
AS2000 Concept.................................................................................................. 1-1
AS2000 System ................................................................................................... 1-2
Shelf Units.................................................................................................... 1-2
AS2000 Design.................................................................................................... 1-3
Advanced Communications Engine (ACE) .................................................... 1-3
AS2000 Management Options............................................................................. 1-4
Craft (ASCII) Interface................................................................................... 1-4
Node Manager............................................................................................... 1-5
SNMP............................................................................................................. 1-5
Management Support Cross-Reference ........................................................ 1-5
Access Manager 2000................................................................................... 1-6
Thumbwheel Switches.................................................................................. 1-6
Performance Monitoring..................................................................................... 1-6
System Information
................................................................................................. 2-1
Shelf Units .......................................................................................................... 2-1
Multi-line Shelf..................................................................................... 2-1
Quint-line Shelf .................................................................................... 2-1
Dual-line Shelf...................................................................................... 2-1
Data Bus Structure........................................................................................ 2-2
ACP Data Bus Structure ........................................................................ 2-3
ACP Controller Bus Structure ....................................................................... 2-4
Shelf and Node Masters....................................................................... 2-4
Types of Modules ............................................................................................... 2-5
Channel Service Unit Modules (CSU) .................................................... 2-5
Data Service Unit (DSU) Modules.......................................................... 2-6
Integrated DSU/CSU Modules............................................................... 2-7
Connector Interface Modules (CIMs).................................................... 2-7
Controller Modules............................................................................... 2-7
AS2000 Modules ................................................................................................. 2-8
TABS-Based Application Modules................................................................. 2-8
TABS-Based Controller Modules........................................................... 2-8
ACP-Based Application Modules................................................................... 2-9
Node Controller Module....................................................................... 2-9
Timing .............................................................................................................. 2-10
Timing Source ............................................................................................ 2-10
CSU Timing......................................................................................... 2-10
DCE to DTE Timing............................................................................. 2-11
Crossover Connection........................................................................ 2-12
Tail Circuit Timing............................................................................. 2-13
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