9033060 Preface xv
PREFACE

Purpose

Thisguide provides information about the featuresand applications of the
CabletronELH100-12/24TX dual-speed hub as well as instructions for
configuring and monitoring the hub.

Audience

Thisguide is intended for Ethernet local area network (LAN)
administratorsand Management Information Systems (MIS) personnel
withthe following background:
•Workingknowledge of Ethernet LANs
•Familiaritywith Transmission Control Protocol/Internet Protocol
(TCP/IP)and Simple Network Management Protocol (SNMP)

Conventions

Thissection describes the conventions used in this guide.
Message Formats
Twotypes of messages, identified by icons, appear in the text:
Keyboard Entries
Thisguide uses the following conventions for keyboard entries:
•Whenyou read “enter,” type the text and press the [Enter] key.
•Example:Enter the Gateway IP address and press the [Enter] key.
•Whenyou read “select,” highlightthe menu item and press the [Enter]
key.
Anote informs you of specialcircumstances.
Acaution indicates the possibility of equipment damage.