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DMS-100 Family EIU User Guide TELECOM12
vii
Contents
About this document xv
When to use this document xv
How to check the version and issue of this document xv
References in this document xv
Internet request for comment documents xvi
What precautionary messages mean xvii
How commands, parameters, and responses are represented xviii
Input prompt (>) xviii
Commands and fixed parameters xix
Variables xix
Responses xix
Chapter 1: Introduction to the EIU 21
Overview of the EIU 22
System architecture 23
DMS-bus interface and expansion 24
Inter-message switch links required with LPP 25
Data communications interface architecture 25
Hardware description 28
Ethernet interface card (NT9X84) 31
Ethernet physical interfaces 32
Grounding requirements 33
Capabilities, limitations, and restrictions 33
EIU hardware capabilities and limitations 34
System-wide limitations 36
Limitations associated with maintenance 36
Limitations associated with protocols 37
Feature packaging 38
EIU provisioning requirements 39
DMS-bus inter-MS provisioning 39
DMS-bus external MS provisioning 40
EIU provisioning 41
EIU sparing and redundancy 41
Billing 42
Service orders 42
User interface characteristics 42
Logs, alarms, and OMs 43
Log reports 43
Alarms 43