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

 

 

 

 

 

 

 

 

 

DMS-100 Family EIU User Guide TELECOM12

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Cabletron Systems DMS-100 manual Contents