Usb Adaptor

Páginas: 19 (4657 palabras) Publicado: 5 de mayo de 2012
Wireless USB Adaptor MODEL: SMART CPE

WINDOWS USER GUIDE
Version 1.0
LIMITED WARRANTY We guarantee that each SMART CPE will be free from physical defects in material and workmanship under normal use for two (2) years from the date of purchase. If the product proves defective during this two-year warranty period, call our Technical Support in order to obtain a Return Authorization Number.When returning a product, mark the Return Authorization number clearly on the outside of the package and include a copy of your original proof of purchase.

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CHAPTER 1: INTRODUCTION
USB ADAPTOR INTRODUCTION
Thank you for your purchase of the SMART CPE USB Adaptor. This USB adaptor offers great value whether you are an individual purchasing for use at home or for use in a business of anysize. USB adaptors are a simple and easy way to add wireless to a computer. The majority of computers now ship with wireless cards built- in, but users commonly find weak signals. This weak signal can occur due to several factors. One it may be too far from a wireless router or access point, most internal wireless cards do not provide significant radio frequency (RF) gain. Another factor is thatalmost all built- in cards have the antennas operating horizontally, where the wireless router or access point has vertically polarized antennas. This results in significant signal loss. Whatever the resulting cause of the weak signal is, the SMART CPE Adaptor with its internal 6 dBi antenna will enhance your wireless experience. This key to successful wireless experience is adjusted with flexibilityof using different SMART CPE Adaptor antenna’s angle. The compact design makes it easy for you to travel with the adaptor. It draws its power from the USB port, so you do not need an external power supply. This adaptor supports high speed networking up to 54 Mbps per the IEEE 802.11g specification. Of course, most broadband connections are DSL or cable modems that are limited generally to less than6 Mbps, which determines the ultimate throughput rates in accessing the Internet. As with all USB stick type devices care should be taken while connected to a laptop.

FEATURES
• Compact Size • High gain 6 dBi Directional Antenna H-Plane & E-Plane: 80 Degree • USB 1.1 and 2.0 Compliant • Modulation Method: IEEE 802.11b: DSS (Direct Sequence Spread Spectrum) IEEE 802.11g: OFDM (Ortho FrequencyDivision Multiplexing) • Supports Microsoft Windows 98SE, Me, 2000, XP, XP x64, Vista (x32 and x64) • Easy Setup and Operation • Powered by Host Computer • Basic to Superior Security Encryption: 64­bit, 128­bit or 256­bit WEP; WPA and WPA2 • 54/48/36/24/18/12/11/9/6/5.5/1 Mbps Selectable Data Rate • Supports WMM™ (Wi­Fi Multimedia) Function • 2400 to 2485 MHz unlicensed ISM Frequency Band • 2­YearLimited Warranty

SYSTEM REQUIREMENTS
• Windows System: Windows 98SE, Me, 2000, XP, XP (x32 and x64), Vista (x32 and x64) • PCs must have a device driver installed to allow communication with the USB adaptor.

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PACKAGE CONTENTS
• USB Adaptor • CD (Driver/Utility/User’s Manual)

CHAPTER 2: NETWORK PLANNING AND ARCHITECTURE
AD­HOC VERSUS INFRASTRUCTURE MODE
Wireless local areanetworks (WLAN), as specified in the IEEE 802.11b/g standards have two different configuration modes: • Ad­Hoc • Infrastructure Ad­Hoc is a group of computers equipped with either WLAN cards or wireless USB adapters. The group of computers is called a Basic Service Set (BSS). They communicate with each other eliminating the need for an access point or router device. Computers in Ad­Hoc mode cannotcommunicate with computers on a wired network or connect to the Internet. In our configuration software it is referred to as, “AP mode”. However this does not imply that it is an access point in the normal sense. Ad­Hoc is shown in the diagram on the left side below.

Infrastructure is where a computer or other network device equipped with the WLAN card or USB adapter communicates directly with an...
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