LevelOne FSW-2411TX Manuale utente

LevelOne

FSW-2411TX

24port 10/100Mbps 13”Fast Ethernet Switch

USER'S GUIDE

FCC WARNING

This equipment has been tested and found to comply

with the limits for a Class A computing device

pursuant to Part 15 of FCC Rules, which are

designed to provide reasonable protection against

electromagnetic interference in a commercial

environment.

Changes or modifications to the equipment not

expressly approved by the party responsible for

compliance could void the user's authority to operate

the equipment.

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.

TABLE OF CONTENTS

UNPACKING INFORMATION-----------------------------------4

PRODUCT INTRODUCTION-------------------------------------5

FAST ETHERNET TECHNOLOGY-------------------------------------------- 5

SWITCHING TECHNOLOGY----------------------------------------------------5

FEATURES---------------------------------------------------------------------------6

THE FRONT PANEL---------------------------------------------------------------7

CABLING------------------------------------------------------------------------------8

STATUS LEDS----------------------------------------------------------------------8

THE REAR PANEL-----------------------------------------------------------------8

INSTALLATION-----------------------------------------------------------10

TO LOCATE THE SWITCH ON A DESKTOP-----------------------------10

TO STACK YOUR SWITCH----------------------------------------------------10

RACKMOUNT PLACEMENT-------------------------------------------------- 10

HELPFUL SUGGESTIONS--------------------------------------12

Prior to Installation----------------------------------------------------------------12

Half-and Full-Duplex------------------------------------------------------------ 12

Fast Ethernet-----------------------------------------------------------------------13

Auto-Negotiation-------------------------------------------------------------------13

MAC Address Table--------------------------------------------------------------14

Sample Application---------------------------------------------------------------15

Troubleshooting--------------------------------------------------------16

PRODUCT SPECIFICATIONS--------------------------------17

A. UNPACKING INFORMATION

Thank you for purchasing LevelOne FSW-2411TX 24 port 10/100Mbps

13”Fast Ethernet Switch. Before continuing, please check the

contents of the product package. This product package should contain

the following items:

ØOne LevelOne FSW-2411TX 24 port 10/100Mbps 13”Fast Ethernet

Switch

ØOne Power Cord

ØFour Rubber Feet (for desktop placement)

ØOne Rackmount Kit

ØFour Stackable stand

ØUser’s Guide

If anything is missing, please contact your place of purchase.

B. PRODUCT INTRODUCTION

This chapter describes the features of the Switch and some background

information about Ethernet/Fast Ethernet switching technology.

Fast Ethernet Technology

The growing importance of LANs and the increasing complexity of

desktop computing applications are fueling the need for high

performance networks. A number of high-speed LAN technologies have

been proposed to provide greater bandwidth and improve client/server

response times. Among them, 100BASE-T (Fast Ethernet) provides a

non-disruptive, smooth evolution from the current 10BASE-T technology.

The non-disruptive and smooth evolution nature, and the dominating

potential market base, virtually guarantee cost effective and high

performance Fast Ethernet solutions in the years to come.

100Mbps Fast Ethernet is a new standard specified by the IEEE 802.3

LAN committee. It is an extension of the 10Mbps Ethernet standard

with the ability to transmit and receive data at 100Mbps, while

maintaining the CSMA/CD Ethernet protocol. Since the 100Mbps Fast

Ethernet is compatible with all other 10Mbps Ethernet environments, it

provides a straightforward upgrade and takes advantage of the existing

investment in hardware, software, and personnel training.

Switching Technology

Another approach to pushing beyond the limits of Ethernet technology

is the development of switching technology. A switch bridge Ethernet

packets at the MAC address level of the Ethernet protocol transmitting

among connected Ethernet or Fast Ethernet LAN segments.

Switching is a cost-effective way of increasing the total network

capacity available to users on a local area network. A switch increases

capacity and decreases network loading by dividing a local area network

into different segments, which don’t compete with each other for

network transmission capacity.

The switch acts as a high-speed selective bridge between the individual

segments. The switch, without interfering with any other segments,

automatically forwards traffic that needs to go from one segment to

another. By doing this the total network capacity is multiplied, while

still maintaining the same network cabling and adapter cards.

For Fast Ethernet networks, a switch is an effective way of eliminating

problems of chaining hubs beyond the “two-repeater limit.” A switch can

be used to split parts of the network into different collision domains,

making it possible to expand your Fast Ethernet network beyond the

205-meter network diameter limit for 100BASE-TX networks. Switches

supporting both traditional 10Mbps Ethernet and 100Mbps Fast

Ethernet are also ideal for bridging between the existing 10Mbps

networks and the new 100Mbps networks.

Switching LAN technology is a marked improvement over the previous

generation of network bridges, which were characterized by higher

latencies. Routers have also been used to segment local area networks,

but the cost of a router, the setup and maintenance required make

routers relatively impractical. Todayswitches are an ideal solution to

most kinds of local area network congestion problems.

Features

The Switches were designed for easy installation and high performance

in an environment where traffic on the network and the number of user

increase continuously.

These Switches provide immediate access to a rapidly growing network

through a wide range of user-reliable functions.

The Switches are ideal for deployment with multiple high-speed servers

for shared bandwidth 10Mbps or 100Mbps workgroups. With the highest

bandwidth 200Mbps (100Mbps full-duplex mode), any port can provide

workstations with a congestion-free data pipe for simultaneous access

to the server.

The Switches are expandable by cascading two or more switches

together. As all ports support 200Mbps, the Switches can be cascaded

from any port and to any number of switches.

The LevelOne FSW-2411TX 24port 10/100Mbps 13”Fast Ethernet

Switch are a perfect choice for site planning to upgrade to Fast Ethernet

in the future. Ethernet workgroups can connect to the Switches now,

and change adapters and hubs anytime later without needing to change

the Switches or reconfigure the network.

The Switches combine dynamic memory allocation with store-and-

forward switching to ensure that the buffer is effectively allocated for

each port, while controlling the data flow between the transmit and

receive nodes to guarantee against all possible packet loss.

The LevelOne FSW-2411TX 24 port 10/100Mbps 13”Fast Ethernet

Switch are an unmanaged 10/100 Fast Ethernet Switch that offers

solutions in accelerating small Ethernet workgroup bandwidth. Other

key features are:

lTwenty-four 100/10Mbps Switch ports.

lStore-and-Forward technology.

lAuto-Negotiation support for each TP port.

lIEEE 802.3x Flow-Control support for Full-Duplex operation.

lBack-Pressure support for Half-Duplex operation.

lBridging capability for 100Mbps and 10Mbps segments.

lAll ports support Auto-MDIX function.

The Front Panel

LevelOne 24 port 10/100Mbps 13”Fast Ethernet Switch

Port Speeds

100/10Mbps TP Ports

Each 100/10Mbps TP port provides an Auto-Negotiation function that

senses for the attached device's maximum operating speed and

automatically sets the Switch to operate at that speed. Users only

need to connect a network device into any TP port.

Cabling

10Mbps –Category 3, 4, or 5 TP cabling can be used for transmitting

data at 10Mbps or 20Mbps bandwidth on 10BASE-T networks.

100Mbps –Only Category 5 TP cabling can be used for transmitting

data at 100Mbps or 200Mbps bandwidth on 100BASE-TX networks.

Port Type Cable Type Connector

10BASE-T Category 3, 4 or 5 TP RJ-45

100BASE-TX Category 5 TP RJ-45

Note: Category 5 TP cable should be used whenever installing new TP

cabling.

Status LEDs

This LevelOne 24 port 10/100Mbps 13”Fast Ethernet Switch comes with a

complete range of LEDs. The table below lists each LED’s name, color

and a brief description of its function.

•One for power On/Off

•One per port for Link/Activity

•One per port for Full-Duplex/Collision

NAME COLOR FUNCTION

PWR Green •Lit: Power "On"

LINK/ACT Green •Lit: When the port has a valid phy

sical connection (Link)

with another device.

•

Blinks: When the port is sending or receiving data

(Activity).

FD/COL Amber •Lit: When the port is set to Full-Duplex mode.

•Blinks: When a collision is detected,in Half-Duplex mode.

The Rear Panel

Power Socket

The Power Socket is designed to be used with the power cord

included in the product package.

.Attach the female end of the cord to the power connector on

the back panel.

.Attach the male end of the cord to a grounded power outlet.

Fan Note: Please keep the fan area clear, so that the cooling function is

not impaired.

C. INSTALLATION

This LevelOne 24 port 10/100Mbps 13”Fast Ethernet Switch is "Plug &

Play." They do NOT require software configuration. Users can

immediately use any of the features of this product simply by attaching

the cables and turning on the power.

TO LOCATE THE Switch ON A DESKTOP

a) Attach the four rubber feet included in the product package to the

bottom of the Switch, one in each corner.

b) Place the Switch on a clean, flat desk or table top close to a power

outlet.

C) Plug in all network connections and the power cord

To stack your Switch

a) Attach the four stackable stand included in the product package to

the bottom of the Switch, one in each corner.

b) Now , you can can use the switch to stack with other switch with

stackable stand.

C) Plug in all network connections and the power cord

RACKMOUNT PLACEMENT

This LevelOne 24 port 10/100Mbps 13”Fast Ethernet Switch can be

mounted in an EIA standard-sized 19-inch rack.

1. Attach one (1) rackmounting bracket on each side of the Switch’s

front panel with the provided screws.

Indice

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