Linksys EtherFast EF3116 Manuale utente

USER GUIDE

EtherFast® 16-port and 24-port

10/100 Ethernet Switches

Models: EF3116, EF3124,

EF4116, and EF4124

About This Guide

EtherFast® 16-Port and 24-Port 10/100 Ethernet Switches

About This Guide

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Resource Website

Linksys www.linksys.com

Linksys International www.linksys.com/international

Glossary www.linksys.com/glossary

Network Security www.linksys.com/security

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Table of Contents

EtherFast® 16-Port and 24-Port 10/100 Ethernet Switches

Chapter 1: Product Overview 1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Chapter 2: Installation 2

Planning Your Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Installing an Ethernet Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Reading an Ethernet Switch’s LED Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Tips on Switching Your Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Appendix A: Fiber Optic Modules

(Models EF3116 & EF3124 ONLY) 5

Installing a Fiber Optic Expansion Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Reading a Fiber Module’s LED Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Appendix B: Specications 7

EF3116, EF3124 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

EF4116, EF4124 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Appendix C: Warranty Information 8

Limited Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Appendix D: Regulatory Information 10

FCC Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Safety Notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Industry Canada Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

User Information for Consumer Products Covered by EU Directive 2002/96/EC on Waste

Electric and Electronic Equipment (WEEE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Appendix E: Software License Agreement 15

Software in Linksys Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Software Licenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Chapter 1 Product Overview

EtherFast® 16-Port and 24-Port 10/100 Ethernet Switches

Chapter 1:

Product Overview

With advanced switching technology, the EtherFast®

10/100 Ethernet Switches will boost your network

performance with much more than just full duplex data

transfer and dedicated bandwidth. They feature non-

blocking, wire-speed switching that forwards packets as

fast as your network can deliver them. Also included are

Address Learning and Aging to prevent data transfer errors

and Data Flow Control to help prevent packet collisions.

The rack mountable switches include an Expansion Port

that accepts an optional Fiber Module to let you grow

your network by linking to other switches in full duplex

mode up to 2000 meters (6560 feet) away. The compact

switches are small enough to fit into any crowded office.

No matter how intensive your network demands, the

EtherFast® 10/100 Ethernet Switches advanced chipsets

support your needs with an affordable and efficient

networking solution you can count on.

Features

16 or 24 autosensing 10/100 full duplex, auto MDI/•

MDI-X ports

Some models feature optional 100BaseFX Fiber Optic•

Modules to connect multiple switches at high speed

as your network grows

Run blazing speeds up to 200Mbps•

Address Learning and Aging and Data Flow Control for•

enhanced transmission reliability

PerfectforRunning10BaseT,100BaseTXand100BaseFX•

Hardware Together Seamlessly

Data Flow Control Filters Out Faulty Data Packets•

Auto MDI/MDI-X•

Supports aging function, 802.3x Pause Frame for full•

duplex

Head of Line (HOL) blocking prevention•

Broadcaststormcontrolavoidsunnecessarybandwidth•

absorption

Chapter 2 Installation

EtherFast® 16-Port and 24-Port 10/100 Ethernet Switches

Chapter 2:

Installation

Planning Your Network

Building a Fast Ethernet network involves a few more

topology rules in addition to 10BaseT network rules.

These rules specify distance limitations and cabling

specifications. Data loss, collisions, and other network

problems causing down time are likely to result if the rules

below are not followed.

Use UTP Category 5 (EIA 568B, Cat 5) ethernet cabling•

with four twisted-pair wires and RJ-45 tips for all Fast

Ethernet connections.

Use the chart below to position any switches, hubs•

and workstations.

From To Max. Distance

Switch Switch or Hub* 100 meters

Hub* Hub* 5 meters

Switch or Hub Workstation 100 meters

*Hub refers to any type of 100Mbps hub, including regular hubs and

stackable hubs. A 10Mbps hub linked to another 10Mbps hub or a

10/100 hub can span up to 100 meters (328 feet).

No more than two hubs should be uplinked in a row in•

a Fast Ethernet network. A set of stacked hubs, which

must be stacked with a stacking cable, counts as one

hub or node on the network.

In Fast Ethernet, an Ethernet Switch acts as a repeater,•

regenerating data signals before passing them on to

the next device. Hubs cannot act as repeaters.

Configuration A shows one possible way to set up an

Ethernet Switch in a Fast Ethernet environment. Note

that an Ethernet Switch requires UTP Category 5 network

cabling for all its connections, like all Fast Ethernet network

hardware.

All of the workstations below can access all resources

on the network - 10Mbps users can access the 100Mbps

nodes, and vice versa. While allowing the 10Mbps and

100Mbps segments to communicate, an Ethernet Switch

optimizes data traffic by switching the data packets to

their destination through the quickest route possible,

which improves performance up to 80% even on the

faster 100Mbps network segment.

Configuration A

Chapter 2 Installation

EtherFast® 16-Port and 24-Port 10/100 Ethernet Switches

Installing an Ethernet Switch

Rack Mounting an Ethernet Switch

Each Ethernet Switch is equipped with three mounting

holes on each side for rack mounting in a standard rack.

After screwing a mounting bracket into each side of an

Ethernet Switch, lift the Switch into your rack and secure

the brackets in place with additional screws (not supplied

by Linksys).

Connecting Nodes to an Ethernet Switch

An Ethernet Switch’s front panel has 16 or 24 standard RJ-

45ports,dependingupon themodel,whichcan connectto

workstations, file servers, print servers, and other network

peripherals. Each port automatically detects port speed

and can operate in either half or full duplex mode. With

duplex detection, you can run speeds of 10Mbps, 20Mbps,

100Mbps, up to a maximum of 200Mbps.

Each cable connected to an Ethernet Switch must be a

UTP Category 5 ethernet network cable with RJ-45 tips,

and must not exceed 100 meters (328 feet) in length.

Ready-to-use network cabling with precrimped ends

are available at most computer retail stores.Automatic

Configuration - DHCP

Connecting PCs

Connect your PCs to an Ethernet Switch’s ports with

straight-through UTP Category 5 cabling. Plug the other

end of the Cat 5 cable into your PC’s network adapter.

Connecting to Other Switches, Hubs, Bridges and

Repeaters

Each port on an Ethernet Switch can also be used to uplink

to another switch, hub, bridge or repeater, serving as an

uplink port. These ports will automatically detect what

kind of cable is connected, either cross-over or straight-

through, and adjust for that cable.

Powering On an Ethernet Switch

Plug in an Ethernet Switch’s AC power cable. The Switch

will first run a diagnostic Self-Test, which just takes a

few seconds. After the test, the Power LED will light up

to indicate that the unit is powered on. As each node is

powered on, the corresponding port’s Link/Activity (Link/

Act) LED will light up.

When data is transmitted or received, the Link/Act LEDs

will flicker.

Reading an Ethernet Switch’s LED Display

LED Display

An Ethernet Switch’s LED Display has a Power LED to

indicate when the unit is ON. There are two LEDs per

port: the Link/Activity (Link/Act) LED and the Full Duplex/

Collision (FDX/Col) LED. (An example of the LEDs is shown

above. The LEDs on the switch you purchased may vary

slightly.) See the chart below to find out what the status

of each LED denotes.

Front Panel LED Displays

LEDs

Network Status

LEDs Color Status

Link/Act Green

Solid light Connection

Established

Blinking light Transmitting/

Receiving

FDX/Col Yellow

Solid light Full duplex

transfer mode

Blinking light Collision

Power Green Solid light Displays power

status

Chapter 2 Installation

EtherFast® 16-Port and 24-Port 10/100 Ethernet Switches

Tips on Switching Your Network

Here are some of the ways an Ethernet Switch can help

you optimize your network speed.

Speed up Nodes From Your 10BaseT Network

In a 10BaseT network, connect your hubs, file servers and

key users such as managers and network administrators

directly to an Ethernet Switch to channel dedicated

bandwidth in full duplex mode to each station. An

Ethernet Switch can communicate with all its connections

simultaneously.

Conserving Bandwidth with 10Mbps & 100Mbps Segments

10BaseT and 100BaseTX hardware are not readily

compatible, but an Ethernet Switch can designate

network segments of different speeds. This allows you to

run one 10Mbps segment to serve users without a need

for considerable speed, and a faster 100Mbps segment

devoted to users who depend heavily on multimedia,

database, gaming, or other speed-intensive applications.

With switched segmentation, your 100Mbps users will not

lose efficiency because of the 10Mbps segment’s transfer

speed.

Run 10Mbps Peripherals in Your Fast Ethernet Network

Most of the network peripherals in place today run at

10Mbps, since 10BaseT has been the standard network

speed to date. These peripherals, designed to operate

at 10Mbps, cannot readily communicate with 100Mbps

equipment. A 10Mbps interface is also required for

cable and DSL connections, which are quickly becoming

very popular. An Ethernet Switch gives your 10BaseT

equipment and cable and DSL lines a 10Mbps interface

while still running your Fast Ethernet equipment at

100Mbps.

Strengthen Data Transfers Through Signal Regeneration

An Etherfast Switch functions as a repeater, which

regenerates data signals as they pass through it. This

feature acts as a safeguard to deter data loss and ensure

that transmissions arrive at their destination intact.

Switches positioned between hubs can preserve your

data’s integrity and eliminate your need to buy and use

repeaters in your Fast Ethernet network.

Appendix A Fiber Optic Modules

EtherFast® 16-Port and 24-Port 10/100 Ethernet Switches

Appendix A:

Fiber Optic Modules

(Models EF3116 & EF3124 ONLY)

IMPORTANT: Fiber Optic Modules will only

function with model numbers: EF3116 and

EF3124. If you are not sure of the Switch’s model

number, make sure there is a fiber optic module

port in the front of the Switch. If it does not

have a fiber optic module port, your Switch will

not function with Fiber Optic Modules.

Some Ethernet Switches are equipped with an expansion

port for adding optional fiber optic expansion modules.

The 100BaseFX Fiber Modules allow you to connect the

Ethernet Switch to other switches, hubs, or routers in

fiber optic network backbones. These modules use high-

bandwidth, multimode fiber optic cabling with SC type

connectors.

Fiber cabling can transmit your Switch’s data up to 2000

meters (6560 feet) away to another switch without

requiring signal regeneration. The 100BaseFX SC Fiber

Module (model number EF31SC) is available through your

Linksys dealer.

Installing a Fiber Optic Expansion Module

To install a fiber module into the Ethernet Switch’s

expansion port, follow these instructions:

Before installing the fiber optic module, you must first1.

power off the Switch by removing the AC power cord.

If the Switch is rack mounted, you should remove the

Switch from the rack temporarily until the fiber optic

module is installed.

Remove the faceplate from the unit by loosening the2.

screws on either side with a screwdriver. Remove

the expansion module from its packaging. Keep the

screws for securing the fiber module to the Switch in

step 4.

Slide your fiber expansion module into the Switch. The3.

module should fit snugly into the Switch’s expansion

port.

Secure the fiber module with the screws from the4.

faceplate. You may now remount the Switch into its

rack if needed, then reconnect the AC power cable to

power on the Switch and resume normal operation.

Install your multimode fiber optic cabling from the5.

module.

Use the guidelines below to plan the layout of your

network with other fiber-equipped devices from your

Switch’s 100BaseFX fiber module.

100BaseFX Fiber Cabling Distance Limitations

From To Duplex Max. Distance

The

Ethernet

Switch

Switch or

Distance

Extender

Full 2000 meters

(6560 feet)

Half 412 meters

(1350 feet)

Fiber

Transceiver Half only* 208 meters

(682 feet)

* A distance extender has an internal switch, whereas a

transceiver does not. Switches generally use distance

extenders, and hubs utilize both types of modules.

Appendix A Fiber Optic Modules

EtherFast® 16-Port and 24-Port 10/100 Ethernet Switches

WARNING: The fiber module does not

autosense, so you must set it to run at either

full or half duplex. Prior to installing the fiber

module into the expansion port, use the

jumpers on the card as shown in Figure A-1.

Jumper Diagram

WARNING: Changing connectors must be

done professionally with the proper tools. If

this is your first time working with fiber, consult

a networking professional who is familiar with

fiber.

Reading a Fiber Module’s LED Display

AFiberModule’sLEDDisplayhastwoLEDs:theLink/Activity

(Link/Act) LED and the Full Duplex/Half Duplex (FDX) LED.

See the chart below to find out what the status of each

LED denotes.

Front Panel LED Displays

LEDs

Network Status

LEDs Color Status

Link/Act Green

Solid light Connection

Established

Blinking light Transmitting/

Receiving

FDX Yellow

Solid light Full duplex

transfer mode

No light Half duplex

transfer mode

Appendix B Specifications

EtherFast® 16-Port and 24-Port 10/100 Ethernet Switches

Appendix B:

Specifications

EF3116, EF3124

Standards IEEE 802.3, IEEE 802.3u,

IEEE 802.1p, IEEE 802.3x

Ports 16 or 24 10/100 Auto-

Negotiation RJ-45 Ports

One Fiber Module

Expansion Port

Speed Per Port 10Mbps or 100Mbps

(Half Duplex)

20Mbps or 200Mbps

(Full Duplex)

Cabling Type UTP/STP Category 5

or Better

LEDs Power

Link/Activity (per port)

Full Duplex (per port)

Environmental

Dimensions 7.1" x 1.75" x 16.93"

(180 x 44.5 x 430mm)

Weight EF3116: 88.16 oz (2500 g)

EF3124: 105.76 oz (3000 g)

Power 100-240V AC, 50-60Hz

Certication FCC Class A, CE

Operating Temp. 32 to 122ºF (0 to 50ºC)

Storage Temp. -40 to 158ºF (–40 to 70ºC)

Operating Humidity 20 to 95% noncondensing

Storage Humidity 20 to 95% noncondensing

EF4116, EF4124

Standards IEEE 802.3, IEEE 802.3u,

IEEE 802.3x

Ports 16 or 24 10/100 Auto-

Negotiation RJ-45 Ports

Speed Per Port 10Mbps or 100Mbps

(Half Duplex)

20Mbps or 200Mbps

(Full Duplex)

Cabling Type UTP/STP Category 5

or Better

LEDs Power

Link/Activity (per port)

Full Duplex/Collision

(per port)

Environmental

Dimensions 3.86” x 0.94” x 3.86”

(98 x 24 x 98mm)

Weight EF4114: 42.4 oz ( 1200 g)

EF4124: 45.92 oz (1300 g)

Power 100-240V AC, 50-60Hz

Certication FCC Class A, CE

Operating Temp. 32 to 122ºF (0 to 50ºC)

Storage Temp. -40 to 158ºF (–40 to 70ºC)

Operating Humidity 20 to 95% noncondensing

Storage Humidity 20 to 95% noncondensing

Specications are subject to change without notice.

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