TRENDnet WRT-390L Manuale utente

2.4GHz Wireless 802.11n(DRAFT) Giga Router

WRT-390L

Rev 0.7

User Manual

Federal Communication Commission Interference Statement

This equipment has been tested and found to comply with the limits for a Class B digital

device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in a residential installation. This

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

and used in accordance with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not occur in a

particular installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and on, the

user is encouraged to try to correct the interference by one of the following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to which the receiver

is connected.

- Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following

two conditions: (1) This device may not cause harmful interference, and (2) this device

must accept any interference received, including interference that may cause undesired

operation.

FCC Caution: Any changes or modifications not expressly approved by the party

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

IMPORTANT NOTE:

FCC Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled

environment. This equipment should be installed and operated with minimum distance

20cm between the radiator & your body.

This transmitter must not be co-located or operating in conjunction with any other antenna

or transmitter.

The availability of some specific channels and/or operational frequency bands are country

dependent and are firmware programmed at the factory to match the intended destination.

The firmware setting is not accessible by the end user.

This publication, including all photographs, illustrations and software, is protected under interna-

tained herein, may be reproduced without written consent of the author.

Trademark recognition

All product names used in this manual are the properties of their respective owners and are

acknowledged.

Table of Contents

Getting Started with the WRT-390L -------------------------------------3

PackageContents

Minimum System Requirements

Wireless LAN Networking ------------------------------------------- 5

Introduction

Features

Hardware Overview --------------------------------------------- 10

LED Indications

Rear Panel

Installation Considerations

GettingStarted

Using the Configuration Menu -----------------------------------12

Network

Wireless

Advanced

Administrator

1. Getting Started with the WRT-390L

Congratulations on purchasing the WRT-390L! This manual provides information for setting up

and configuring the WRT-390L. This manual is intended for both home users and professionals.

The following conventions are used in this manual:

THE NOTE SYMBOL INDICATES ADDITIONAL INFORMATION ON THE

TOPIC AT HAND.

THE TIP SYMBOL INDICATES HELPFULL INFORMATION AND TIPS TO

IMPROVE YOUR NETWORK EXPERIENCE.

THE CAUTION SYMBOL ALERTS YOU TO SITUATIONS THAT MAY

DEGRADE YOUR NETWORKING EXPERIENCE OR COMPROMISE

LIKE NOTES AND TIPS, THE IMPORTANT SYMBOL INDICATES

INFORMATION THAT CAN IMPROVE NETWORKING. THIS INFORMATION

SHOULD NOT BE OVERLOOKED.

1.1 Package Contents

 WRT-390L 2.4GHz Wireless 802.11n(DRAFT) Giga Router

 CAT-5 Ethernet Cable

 Power Adapter (12V, 1A)

 CD-ROM with Manual

 Quick Installation Guide

Using a power supply with a different voltage than the one included with your

product will cause damage and void the warranty for this product.

1.2 Minimum System Requirements

 Ethernet-Based Cable or DSL Modem

 Computers with Windows, Macintosh, or Linux-based operating systems with an installed

Ethernet adapter and CD-ROM Drive

 Internet Explorer Version 6.0 or Netscape Navigator Version 7.0 and Above

2. Wireless LAN Networking

This section provides background information on wireless LAN networking technology. Consult

the Glossary for definitions of the terminology used in this section.

THE INFORMATION IN THIS SECTION IS FOR YOUR REFERENCE. CHANGING

NETWORK SETTINGS AND PARTICULARLY SECURITY SETTTINGS SHOULD ONLY

BE DONE BY AN AUTHORIZED ADMINISTRATOR.

Transmission Rate (Transfer Rate)

The WRT-390L provides various transmission (data) rate options for you to select. In most

networking scenarios, the factory default Best (automatic) setting proves the most efficient. This

setting allows your WRT-390L to operate at the maximum transmission (data) rate. When the

communication quality drops below a certain level, the WRT-390L automatically switches to a

lower transmission (data) rate. Transmission at lower data speeds is usually more reliable.

However, when the communication quality improves again, the WRT-390Lgradually increases the

transmission (data) rate again until it reaches the highest available transmission rate.

Types of Wireless Networks

Wireless LAN networking works in either of the two modes: ad-hoc and infrastructure. In infra-

structure mode, wireless devices communicate to a wired LAN via access points. Each access

point and its wireless devices are known as a Basic Service Set (BSS). An Extended Service Set

(ESS) is two or more BSSs in the same subnet. In ad hoc mode (also known as peer-to-peer

mode), wireless devices communicate with each other directly and do not use an access point.

This is an Independent BSS (IBSS).

To connect to a wired network within a coverage area using access points, set the operation mode

to Infrastructure (BSS). To set up an independent wireless workgroup without an access point, use

Ad-hoc (IBSS) mode.

AD-HOC (IBSS) NETWORK

Ad-hoc mode does not require an access point or a wired network. Two or more wireless stations

communicate directly to each other. An ad-hoc network may sometimes be referred to as an

Independent Basic Service Set (IBSS).

To set up an ad-hoc network, configure all the stations in ad-hoc mode. Use the same SSID and

channel for each station.

When a number of wireless stations are connected using a single access point, you have a Basic

Service Set (BSS).

In the ESS diagram below, communication is done through the access points, which relay data

packets to other wireless stations or devices connected to the wired network. Wireless stations

can then access resources, such as a printer, on the wired network.

In an ESS environment, users are able to move from one access point to another without losing the

connection. In the diagram below, when the user moves from BSS (1) to BSS (2) the WLAN client

devices automatically switches to the channel used in BSS (2).

Roaming in an ESS network diagram

Indice

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