TRENDnet TE100-DX16 Manuale utente

TE100-DX8

TE100-DX16

Ethernet/Fast Ethernet

Dual-Speed Stackable Hub

User’s Guide

TRENDware International, Inc.

Rev. 01 (May 1998)

6ETHFE16..01

Printed In Taiwan

RECYCLABLE

FCC Warning

This equipment has been tested and found to comply with the

regulations for a Class A digital device, pursuant to Part 15 of the

FCC Rules. These limits are designed to provide reasonable

protection against harmful interference when the equipment is

operated in a commercial environment. This equipment generates,

uses, and can radiate radio frequency energy and, if not installed

and used in accordance with this user’s guide, may cause harmful

interference to radio communications. Operation of this equipment

in a residential area is likely to cause harmful interference, in

which case the user will be required to correct the interference at

his own expense.

CE Mark Warning

This is a Class A product. In a domestic environment, this product

may cause radio interference, in which case the user may be

required to take adequate measures.

VCCI A Warning

TABLE OF CONTENTS

0ABOUT THIS GUIDE.......................................................... VI

Conventions ...................................................................................vi

Overview of the User’s Guide........................................................vi

1INTRODUCTION .................................................................1

Product Description .......................................................................1

Product Features ............................................................................2

Dual-Speed Ethernet Hub Technology Overview .........................4

100BASE-TX Technology Overview ..............................................5

Introduction to 100-Mbps Fast Ethernet.............................................. 5

Cables and Connectors ..........................................................................6

Topology .................................................................................................6

Network Diameter .................................................................................7

Hub Types .............................................................................................. 7

2UNPACKING AND SETUP....................................................9

Unpacking ......................................................................................9

Identifying External Components ...............................................10

Front Panel .......................................................................................... 10

Rear Panel............................................................................................ 12

Installing the Hub........................................................................13

Installation........................................................................................... 13

Rack Mounting..................................................................................... 13

Connecting the Power Supply......................................................14

Dual-Speed Stackable Hub User’s Guide

3UNDERSTANDING INDICATORS .........................................15

Hub State Indicators....................................................................16

SW Enable Indicator....................................................................16

Port Speed Indicators...................................................................17

Port Status Indicators..................................................................17

4MAKING CONNECTIONS...................................................19

Creating a Stack...........................................................................19

Connectivity Rules........................................................................20

Hub-to-end-node Connections......................................................21

Uplink Connection .......................................................................23

5CABLES AND CONNECTORS.............................................27

100BASE-TX Fast Ethernet Cables and Connectors .................27

Crossover Cables ..........................................................................28

6SPECIFICATIONS.............................................................31

General..........................................................................................31

Daisy-chain Specifications ..........................................................32

LED Indicators.............................................................................32

Environmental and Physical.......................................................32

About this Guide

0 ABOUT THIS GUIDE

This guide discusses how to install and use your Ethernet/Fast

Ethernet dual-speed stackable hub.

Conventions

As used in this guide, the term hub, unless otherwise noted, refers

to the eight- or sixteen-port Ethernet/Fast Ethernet dual-speed

stackable hub with which this guide was packaged, or to another

hub in the same product family.

Overview of the User’s Guide

♦ Chapter 1, Introduction. Provides information on Fast

Ethernet networks and introduces your hub’s features.

♦ Chapter 2, Unpacking and Setup. Helps you get started in

setting up the hub.

♦ Chapter 3, Understanding Indicators. Describes all LED

indicators on the hub’s front panel. Understanding these

indicators is essential to effectively using the hub.

♦ Chapter 4, Making Connections. Provides information on

connecting to the hub’s twisted-pair ports, stacking hubs,

and uplinking hubs together.

Dual-Speed Stackable Hub User’s Guide

About this Guide vi

♦ Appendix A, Cables and Connectors. Provides specifications

on the cables and connectors used with the hub.

♦ Appendix B, Specifications. Lists the hub’s specifications.

Dual-Speed Stackable Hub User’s Guide

Introduction 1

1 INTRODUCTION

This chapter introduces your hub and gives some background

information about the technology the hub uses.

Product Description

Your Ethernet/Fast Ethernet dual-speed stackable hub is designed

to allow easy integration and migration between 10-Mbps

Ethernet and 100-Mbps Fast Ethernet.

The hub can operate with both IEEE 802.3 10BASE-T connections

(twisted-pair Ethernet operating at 10 megabits per second) and

IEEE 802.3u 100BASE-TX connections (twisted-pair Fast

Ethernet operating at 100 megabits per second). All of the twisted-

pair ports support NWay auto-negotiation, allowing the hub to

automatically detect the speed of a network connection. This

means you can connect all of your Ethernet and Fast Ethernet

hosts to your hub (or to a stack of hubs in the same product

family) without any rewiring required when a host is upgraded

from 10 Mbps to 100 Mbps.

Hubs in this family can be purchased with or without a built-in

switching circuit to allow communication between network end

nodes operating at different speeds. If your hub has a SW Enable

indicator on its front panel, it has such a switching circuit. On a

Introduction

hub that does not have such a switching circuit, only end nodes

operating at the same speed (10 or 100 Mbps) can communicate

with each other (unless the hub is stacked with a hub that does

have such a switching circuit—see below).

Your hub has eight or sixteen twisted-pair ports and can be

stacked together with other hubs in the same product family to a

maximum of five hubs in a stack. A stack of five sixteen-port hubs

gives a total of eighty Ethernet or Fast Ethernet ports. (Stacking

is also referred to as daisy-chaining).

As long as a stack contains at least one hub with a built-in

switching circuit, 10-Mbps Ethernet nodes will be able to

communicate with 100-Mbps Fast Ethernet nodes and vice versa,

regardless of which hub in the stack any node is attached to. Note

that if two or more hubs in a stack have switching circuits built in,

only one hub’s switching circuit will be enabled; any other

switching circuits in the stack will automatically be disabled, and

only one hub’s SW Enable indicator will shine. This is to allow

intercommunication without the danger of a signal loop forming.

Because it conforms to the standards for both Ethernet and Class

II Fast Ethernet repeaters, your hub (or a stack of hubs in the

same product family) can also be “uplinked” together with a

similarly conformant hub or hub stack to expand the network still

further. The uplink connection will carry both 10- and 100-Mbps

network signals.

Product Features

The list below highlights your hub’s features and specifications:

♦ Compatible with the IEEE 802.3 10BASE-T Ethernet and

802.3u 100BASE-TX Fast Ethernet industry standards for

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