KTI Networks KF-8D Manuale utente

InstallationGuide

10BASE-T/100BASE-TX

8-Port Dual-Speed Hub

Model:KF-8D

DOC.980329-KF8D-K

P/N: 750-0109-001

mentationmay bereproduced inany form orbyany means orusedto

makeanydirectivework(suchastranslationortransformation)without

permission from KTI Networks Inc.

KTI Networks Inc. reserves the right to revise this documentation

and to make changes in content from time to time without obligation

onthepart of KTI Networks Inc.toprovide notification of suchrevi-

sion or change.

Formore information,contact:

United States KTI Networks Inc.

P.O. BOX 631008

Houston,Texas77263-1008

Phone: 713-2663891

Fax: 713-2663893

BBS: 713-2663015

E-mail:[email protected]

WWW: http://www.ktinet.com/

International Fax: 886-2-26983873

BBS: 886-2-26983913

E-mail:[email protected]

WWW: http://www.ktinet.com.tw/

8-Port Dual-Speed

Ethernet/Fast Ethernet Hub

Installation Guide

DOC.980330-KF8D-NK

P/N: 750-0109-002

The information contained in this document is subject to change without prior no-

tice.

TRADEMARKS

Ethernet is a registered trademark of Xerox Corp.

WARNING:

This equipment has been tested and found to comply with the limits 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 the

instruction manual may cause harmful interference in which case the user will be

required to correct the interference at his own expense.

NOTICE:

(1)The changes or modifications not expressively approved by the party

responsible for compliance could void the user's authority to operate the

equipment.

(2)Shielded interface cables and AC power cord, if any, must be used in order to

comply with the emission limits.

CISPRA COMPLIANCE:

This device complies with EMC directive of the European Community and meets or

exceeds the following technical standard.

EN 55022 - Limits and Methods of Measurement of Radio Interference Characteris-

tics of Information Technology Equipment. This device complies with CISPR Class

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.

CE NOTICE

Marking by the symbol CE indicates compliance of this equipment to the EMC

directive of the European Community. Such marking is indicative that this equip-

ment meets or exceeds the following technical standards:

EN 55022: Limits and Methods of Measurement of Radio Interference characteris-

tics of Information Technology Equipment.

EN 50082/1:Generic Immunity Standard -Part 1: Domestic Commercial and Light Indus-

try.

EN 60555-2: Disturbances in supply systems caused by household appliances and similar

electrical equipment - Part 2: Harmonics.

Table of Contents

Chapter 1 Introduction

Introduction............................................................................... 1

Features ................................................................................... 2

Dual-speed Hub Technology.................................................... 3

Chapter 2 Installation

Unpacking................................................................................. 4

Checking AC Power................................................................. 4

Mounting the Hub ..................................................................... 5

Chapter 3 Making Network Connections

Network Connectors and Rear Switch ................................... 7

RJ-45 Connectors .................................................................... 8

UTPCables ............................................................................... 8

Connecting to Computers ........................................................ 9

Connecting to Network Switch Ports ...................................... 9

Connecting to Hubs................................................................ 10

Chapter 4 Interpreting LED Indicators

LEDInterpretations................................................................. 10

1. Introduction

KF-8D dual-speed Fast Ethernet/Ethernet hub is designed to allow

easy and flexible migration from 10Mbps Ethernet to 100Mbps

Fast Ethernet. The hub complies with IEEE 802.3 and IEEE 802.3u

repeater specifications and supports 10Mbps and 100Mbps con-

nectivity over UTP cabling in the same hub. The hub provides 8

dual-speed TP ports. All of the TP ports support auto-sensing

function that allows the hub to detect the connection speed auto-

matically.

The hub also provides complete diagnostic LED indicators to indi-

cate the activity status of the hub and network ports.

The following figure illustrates the front and rear view of the hub:

Features

• Complies with IEEE 802.3 and IEEE 802.3u standard for

Ethernet/Class II Fast Ethernet repeater

• Provides a configuration switch (10M/100M/AUTO) to set all

8 TP ports as 10BASE-T ports, 100BASE-TX ports or 10/100

auto-sensing ports.

• In AUTO mode, each TP port can support either an Ethernet

10Mbps connection or a Fast Ethernet 100Mbps connection

with auto-sensing the connection speed.

• The hub provides one uplink jack that allows easy linking of

two hubs via straight-through UTP cable.

• The TP ports are implemented with auto partition and

reconnecting function to protect the network from failure

caused by consecutive collisions from a specific port.

• The jabber function is implemented to prevent reception of

illegally long packet, which would degrade network perfor-

mance.

• Compact design suitable for small workgroup

• Specifications

Power: +12V 1000mA min.

Dimension: 194 mm x 116 mm x 20 mm (WxDxH)

Temperature: 0oto 40oC when operating

Humidity: 10% to 90% non-condensing when operating

Dual-speed Hub Technology

Dual-speed hub is designed to support connections with different

speeds in the same hub. It makes a network planning simpler, espe-

cially when an environment is containing 10Mbps Ethernet and

100Mbps Fast Ethernet technologies. It also allows a smooth mi-

gration from an Ethernet network to a Fast Ethernet network.

A dual-speed hub is actually equipped with one 10Mbps repeater

and one 100Mbps repeater in one hub unit. Each repeater serves

one shared network segment. The repeater receives transmissions

from any of its ports and retransmits them to all its other ports. The

TP port of the hub can auto-sense the speed (10M or 100M) of its

connectionand switch toeither10Mbps shared segmentor100Mbps

shared segment automatically. The internal design of a dual-speed

hub is illustrated as follows:

2. Installation

Unpacking

Check to see that you have everything before you start the installation.

• Installation guide

• The hub unit

• One AC power adapter for the hub

• One wall mount kit

Checking AC Power

Before you begin the installation, check the AC voltage of your area.

The AC power adapter which is used to supply the DC power for the

hubshouldhave theACvoltagematchingthecommercialpowervolt-

age in your area. The specifications of the AC power adapter are:

• AC input power: AC power voltage of your area

• DC output power:+12 VDC 1000mA min.

• DC plug type:

The power socket for the AC power adapter is located on the rear of

the hub as shown below:

Mounting the Hub

The hub can be placed on a desktop as a stand-alone unit. It also can

be mounted on a wall. The following procedure describes how to

mount the hub onto a wallboard or wood (a stud, heavy wooden

paneling, etc.) using the wall mount kit supplied in the hub package:

1. Using the slot bracket and two washer-head screws in the wall

mount kit, screw the slot bracket onto the bottom of the hub in

any one of the four directions.

2. Using the mount bracket and two pan-head self-tapping screws

in the kit. Screw the mount bracket onto the wall.

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