Lindy 25051 Manuale utente

8-Port Switch

with Auto MDI/MDI-X

8 Port 10/100 Base-TX Switch

User Guide

Rev.AUG, 2002

Introduction

Wellcome to the World of Mini-Networking.

In the modern business society, communication and sharing

information is crucial. Computer networks have proven to be one of

the fastest modesof communication.

The 8-Port Switch are compact and attractively designed for

desktop use. They are ideal solution for small office or SOHO

network user. The Switches provide wire-speed, Fast Ethernet

switching function that allows high-performance, low-cost

connection.

The Switches will automatically detect the speed of the device that

you plug into it to allow you to use both 10 and 100Mbps device.

They feature a store-and forward switching and it can auto-learn

and store source address on an 1K-entry MAC address for

respective and 1MbBuffer.

Features

??Conforms to IEEE 802.3, 802.3u and 802.3x standard

??8-Port 10/100M Fast Ethernet Switch

??Auto MDI/MDI-X for cascading

??N-way auto-negotiation supported

??Half-duplex for backpressure, full-duplex for flow control

??Store-and-forward switching architecture

??1K-entry MAC address table for 8-Port Switch

??1Mbmemory buffer sharing for 8-Port Switch

??LED indicators for Power, LK/ACT, FDX/COL, 100M

??External power supply

??164mm(W) x 100mm(D) x 26mm (H) Palm size

Package Contents

??8-Port Switch

??One DC power adapter

??User’s Guide

8TP Auto MDI/MDI-X Switch Rubber Feet

DC power Adapter User’s Guide

Figure 1-2. Package Contents

Compare the contents of your 8-Port Switch with the standard

checklist above. If any item is missing or damaged, please

contact your local dealer for service.

Hardware Description

This section mainly describes the hardware of the 8-Port Switch.

The physical dimensions of the 5-Port Switch and 8-Port

Switch are the same : 164mm(W) X 100mm(D) x 26mm(H)

Front Panel

The LED indicators are located on the frond panel of the Switch.

Theyprovideareal-timeindicationofsystematicoperation status.

The Front Panels 8-Port Switch are displayed in the following

figures.

Figure 2-2. The Front Panel of the 8-Port Switch

LED Indicators

Power LED

The following table provides descriptions of the LED statuses

and their meaning.

Rear Panel

The RearPanelofthe8-PortSwitch consistsof8x 10/100N-Way

UTP switch ports, and one DC power connector.

Figure 2-4. The Rear Panel of the 8-Port Switch

??RJ-45 Ports: 8x 10/100N-Way auto-sensing for 10Base-T

or 100Base-TX connection.

LED Status

Color

Description

Power On Green

The power of the Switch is On

On Green

The port is connecting with 100Mbps.

100Mbps

Off The connection between the Switch and

the device is 10Mbps, if the LINK/ ACT

light is on.

On Green

The port is successfully connecting with

the device.

Blinks

The port is receiving or transmitting data.

LNK /ACT

Off No device attached.

On Yellow

The port is operating in Full-duplex

mode.

Blinks

Collision of Packets occursin the port.

FDX/COL

Off No device attached or in half-duplex

mode.

??Auto MDI/MDI-X: It can detect the cable straight connect

NIC or cascade to a hub or switch without change the

connector, the maximum distance between the Switch to

another device is 100 meters.

??DC Power Connector: Plug DC Power Adapter’s female

end into this device, and the male end of the DC Power

Adapter into a power outlet. The Adapter supply the Switch

with Voltage 9V, Current 800mA.

Network Application

Thissectionprovidesyouafewexamplesofnetworktopologyin

which the 8-Port Switch is used, the Switch is design to be used

as a desktop or segment switch.

The switch automatically learns node address, which are

subsequently used to filter and forward all traffic based on the

destination address.

Stand Alone

The 8-Port Switch is designed to be a compact desktop size

switch which is a ideal solution for small workgroup. The Switch

canbeusedasastandaloneswitchtowhichpersonalcomputers,

server, printer server are directly connected to form small

workgroup.

Figure 3-1. Stand Alone Application

Enlarge Your Network

You can use Uplink port of the 8-Port Switch to connect with

another hub or switchto interconnect each of your small switched

workgroup to form a large switched network.

You can connect anyone switch port to hub or switch without

crossover cable by the Auto MDI/MDI-X function.

In the below illustration, two Switches are used to interconnect

two small workgroup. All the devices in this network can

communicate with each other. Connecting servers to the Switch

allow other users to access the server’s data.

Figure 3-2. Example of enlarging your network

Trouble Shooting

The Switch can be easily monitored through panel indicators to

assist in identifying problems. This section describes common

problems you may encounter and where you can find possible

solutions.

??Diagnosing LED Indicators

IF Link indicator does not light up after making a connection.

You may check whether network interface (e.g., a network

adaptercardontheattacheddevice),networkcable,orswitch

port is defective or not. Be sure the cable is plugged into both

the Switch and corresponding device. Verified the proper

cable type is used and its length does not exceed specified

limits.

??Power

IF the power indicator does not turn on when the power cord is

plugged in, you may have a problem with power outlet, or

power cord. However, if the switch powers off after running for

a while, check for loose power connection, power loses or

surges at power outlet. If you still cannot resolve the problem,

contact your local dealer for assistance.

??Cabling

RJ-45 Ports: Use unshielded twisted-pair (UTP) or shield

twisted-pair (STP) cable for RJ-45 connections: 100O

Category 3,4 or5Cable for 10Mbps connections or 100O

Category 5 Cable for 100Mbps connections. Also be sure that

thelengthofanytwisted-pair connection does not exceed 100

meters ( 328 feet ).

Technical Specification

This section provides the specifications of the 5-Port Switch/

8-Port Switch :

Specification

Standards Compliance IEEE 802.3 10BASE-T Ethernet,

IEEE 802.3u 100BASE-TX Fast Ethernet

ANSI/IEEE standard 802.3 N-Way auto-negotiation

Protocol CSMA/CD

Max Forwarding Rate and

Max Filtering Rate 14,880 pps Ethernet port,

148,800 pps per Fast Ethernet port

LED Indicators Per Port: Link/Activity, Full/Collision, 100M

Per Unit: Power

Network Cables 10Base-T: 2-pair UTP Cat. 3, 4, 5 cable (100m),

EIA/TIA-568 100-ohm STP (100m)

100Base-TX: 2-pair UTP Cat. 5 cable (100m),

EIA/TIA-568 100-ohm STP (100m)

Dimensions 164mm x 100mm x 26mm (W x D x H)

Operating Temperature 0ºC to 45ºC (32ºF to 113ºF)

Operating Humidity 10% to 90% (Non-condensing)

External Power Supply DC 9V, 700mA

Power Consumption 4.2 Watt for 8-Port Switch

EMI FCC Class A, CE Mark

Safety UL

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