Zyxel-communications NWD-270N User Manual

www.zyxel.comNWD-270NWireless N-lite USB AdapterUser’s GuideVersion 1.6 for Mac OS X01/2009Edition 1

Chapter 1 Getting StartedNWD-270N User’s Guide101.2 FeaturesYour NWD-270N is an IEEE 802.11n draft 2.0 compliant wireless LAN adapter. It can also co

Chapter 1 Getting StartedNWD-270N User’s Guide111.3 Hardware InstallationThis sections shows you how to install your NWD-270N.1 Locate an available

Chapter 1 Getting StartedNWD-270N User’s Guide121.4.2 Installing the ZyXEL UtilityTo install the ZyXEL Utility:1 Make sure the NWD-270N is disconnect

Chapter 1 Getting StartedNWD-270N User’s Guide135 After installing the ZyXEL Utility and device driver, you must restart your computer.6 Once your co

Chapter 1 Getting StartedNWD-270N User’s Guide141.4.2.1 Uninstalling the ZyXEL UtilityWhile you can drag the ZyXEL Utility from your Applications fol

Chapter 1 Getting StartedNWD-270N User’s Guide151.5 Device ApplicationsThis section describes some network applications for the NWD-270N. You can ei

Chapter 1 Getting StartedNWD-270N User’s Guide16Ad-Hoc To set up a small independent wireless workgroup without an AP, use Ad-Hoc.Ad-Hoc does not requ

NWD-270N User’s Guide17CHAPTER 2 Wireless LANs2.1 OverviewThis section provides background information on wireless Local Area Networks.2.1.1 What Y

Chapter 2 Wireless LANsNWD-270N User’s Guide182.1.3 Before You Begin• You should have valid login information for an existing network Access Point, o

Chapter 2 Wireless LANsNWD-270N User’s Guide192.3 Wireless LAN Security Wireless LAN security is vital to your network to protect wireless communica

Chapter 2 Wireless LANsNWD-270N User’s Guide202.3.1.1.2 Authentication Type The IEEE 802.11b/g standard describes a simple authentication method betw

Chapter 2 Wireless LANsNWD-270N User’s Guide21If both an AP and the wireless clients support WPA2 and you have an external RADIUS server, use WPA2 fo

Chapter 2 Wireless LANsNWD-270N User’s Guide222.4.2 PIN ConfigurationEach WPS-enabled device has its own PIN (Personal Identification Number). This m

Chapter 2 Wireless LANsNWD-270N User’s Guide23The following figure shows a WPS-enabled wireless client (installed in a notebook computer) connecting

Chapter 2 Wireless LANsNWD-270N User’s Guide24The following figure shows a WPS-enabled client (installed in a notebook computer) connecting to a WPS-e

Chapter 2 Wireless LANsNWD-270N User’s Guide252.4.3.1 Example WPS Network SetupThis section shows how security settings are distributed in an exampl

Chapter 2 Wireless LANsNWD-270N User’s Guide26In step 3, you add another access point (AP2) to your network. AP2 is out of range of AP1, so you cannot

Chapter 2 Wireless LANsNWD-270N User’s Guide27• When you use the PBC method, there is a short period (from the moment you press the button on one dev

Chapter 2 Wireless LANsNWD-270N User’s Guide28

NWD-270N User’s Guide29CHAPTER 3 ZyXEL Utility - Mac OS X3.1 OverviewThis chapter shows you how to use the ZyXEL utility to configure your NWD-270N

About This User's GuideNWD-270N User’s Guide3About This User's GuideIntended AudienceThis manual is intended for people who want to config

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide30Pre-Shared Key (PSK)A pre-shared key is a password shared between the server and the client t

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide313.3 The Profile Screen This screen allows you to configure and manage wireless profiles.Fig

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide323.4 The Profile - System Configuration ScreenThis screen allows you to configure system and

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide333.5 The Profile - Authentication and Security ScreenThis screen allows you to configure sec

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide34The following table describes the labels in this screen. Table 6 ZyXEL Utility: Profile - A

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide353.6 The Link Status Screen This screen allows you to view the status of the NWD-270N’s wire

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide363.7 The Site Survey Screen This screen allows you to view available networks and connect to

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide373.8 The Statistics Screen This screen allows you to view statistics on network traffic betw

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide38The following table describes the labels in this screen. Table 9 ZyXEL Utility: Statistics

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide393.9 The Advanced Screen This screen allows you to configure advanced network settings on yo

Document ConventionsNWD-270N User’s Guide4Document ConventionsWarnings and NotesThese are how warnings and notes are shown in this User’s Guide. 1 War

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide403.10 The WPS ScreenThis screen allows you to configure the NWD-270N’s Wi-Fi Protected Securi

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide41Rescan Click this button to rescan the local area for WPS-compatible devices.Information Sel

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide423.10.1 The Information ScreenWhile in the WPS screen, you can view information about any AP

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide433.10.2 The Profile Details ScreenWhile in the WPS screen, you can view information about an

Chapter 3 ZyXEL Utility - Mac OS XNWD-270N User’s Guide443.11 The About Screen This screen shows you the driver, utility version, and MAC address of

NWD-270N User’s Guide45CHAPTER 4 Troubleshooting4.1 OverviewThis chapter offers some suggestions to solve problems you might encounter. The potentia

Chapter 4 TroubleshootingNWD-270N User’s Guide464.3 Accessing the ZyXEL UtilityV I cannot access the ZyXEL Utility1 Make sure the NWD-270N is properl

Chapter 4 TroubleshootingNWD-270N User’s Guide47• If you are using WPA(2) or WPA(2)-PSK security, try changing your encryption type from TKIP to AES

Chapter 4 TroubleshootingNWD-270N User’s Guide48

NWD-270N User’s Guide49CHAPTER 5 Product SpecificationsTable 15 Product Specifications PHYSICAL AND ENVIRONMENTALProduct Name NWD-270N Wireless N-

Document ConventionsNWD-270N User’s Guide5Icons Used in FiguresFigures in this User’s Guide may use the following generic icons. Wireless Access Poin

Chapter 5 Product SpecificationsNWD-270N User’s Guide50Operation Channels N. America &Taiwan2.412GHz~ 2.462GHz 1-11Euro ETSI2.412GHz~ 2.472GHz 1-1

Chapter 5 Product SpecificationsNWD-270N User’s Guide51Wireless Security WEP 64bit, 128bit, WPA, WPA-PSK, WPA2, WPA2-PSK 802.1x (EAP-TLS, EAP-TTLS, E

Chapter 5 Product SpecificationsNWD-270N User’s Guide52

NWD-270N User’s Guide53APPENDIX A Setting Up Your IP AddressThis appendix shows you how to configure the TCP/IP settings on your computer in order fo

Appendix A Setting Up Your IP AddressNWD-270N User’s Guide542 In the System Preferences window, click the Network icon.3 When the Network preferences

Appendix A Setting Up Your IP AddressNWD-270N User’s Guide554 For dynamically assigned settings, select Using DHCP from the Configure IPv4 list in th

Appendix A Setting Up Your IP AddressNWD-270N User’s Guide566 Click Apply Now and close the window.Verifying SettingsCheck your TCP/IP properties by c

Appendix A Setting Up Your IP AddressNWD-270N User’s Guide57Mac OS X: 10.5The screens in this section are from Mac OS 10.5.1 Click Apple > System

Appendix A Setting Up Your IP AddressNWD-270N User’s Guide583 When the Network preferences pane opens, select Ethernet from the list of available conn

Appendix A Setting Up Your IP AddressNWD-270N User’s Guide59•In the Router field, enter the IP address of your NWD-270N.6 Click Apply and close the w

Safety WarningsNWD-270N User’s Guide6Safety Warnings1 For your safety, be sure to read and follow all warning notices and instructions.• Do NOT use th

Appendix A Setting Up Your IP AddressNWD-270N User’s Guide60

NWD210N / NWD310N User’s Guide61APPENDIX B IP Addresses and SubnettingThis appendix introduces IP addresses and subnet masks. IP addresses identify i

Appendix B IP Addresses and SubnettingNWD210N / NWD310N User’s Guide62Figure 22 Network Number and Host IDHow much of the IP address is the network

Appendix B IP Addresses and SubnettingNWD210N / NWD310N User’s Guide63Subnet masks are expressed in dotted decimal notation just like IP addresses. T

Appendix B IP Addresses and SubnettingNWD210N / NWD310N User’s Guide64SubnettingYou can use subnetting to divide one network into multiple sub-network

Appendix B IP Addresses and SubnettingNWD210N / NWD310N User’s Guide65Figure 24 Subnetting Example: After SubnettingIn a 25-bit subnet the host ID

Appendix B IP Addresses and SubnettingNWD210N / NWD310N User’s Guide66Example: Eight SubnetsSimilarly, use a 27-bit mask to create eight subnets (000,

Appendix B IP Addresses and SubnettingNWD210N / NWD310N User’s Guide67Subnet PlanningThe following table is a summary for subnet planning on a networ

Appendix B IP Addresses and SubnettingNWD210N / NWD310N User’s Guide68Configuring IP AddressesWhere you obtain your network number depends on your par

Appendix B IP Addresses and SubnettingNWD210N / NWD310N User’s Guide69IP Address ConflictsEach device on a network must have a unique IP address. Dev

Table of ContentsNWD-270N User’s Guide7Table of ContentsAbout This User's Guide...

Appendix B IP Addresses and SubnettingNWD210N / NWD310N User’s Guide70Conflicting Computer and Router IP Addresses ExampleMore than one device can not

NWD-270N User’s Guide71APPENDIX C Wireless LANsThis appendix discusses ad-hoc and infrastructure wireless LAN topologies.Ad-hoc Wireless LAN Configur

Appendix C Wireless LANsNWD-270N User’s Guide72BSSA Basic Service Set (BSS) exists when all communications between wireless clients or between a wirel

Appendix C Wireless LANsNWD-270N User’s Guide73ESSAn Extended Service Set (ESS) consists of a series of overlapping BSSs, each containing an access p

Appendix C Wireless LANsNWD-270N User’s Guide74RTS/CTSA hidden node occurs when two stations are within range of the same access point, but are not wi

Appendix C Wireless LANsNWD-270N User’s Guide75Fragmentation ThresholdA Fragmentation Threshold is the maximum data fragment size (between 256 and 24

Appendix C Wireless LANsNWD-270N User’s Guide76Wireless Security OverviewWireless security is vital to your network to protect wireless communication

Appendix C Wireless LANsNWD-270N User’s Guide77RADIUSRADIUS is based on a client-server model that supports authentication, authorization and account

Appendix C Wireless LANsNWD-270N User’s Guide78Types of EAP Authentication This section discusses some popular authentication types: EAP-MD5, EAP-TLS,

Appendix C Wireless LANsNWD-270N User’s Guide79PEAP (Protected EAP) Like EAP-TTLS, server-side certificate authentication is used to establish a se

Table of ContentsNWD-270N User’s Guide83.1.2 What You Need to Know ...

Appendix C Wireless LANsNWD-270N User’s Guide80WPA and WPA2Wi-Fi Protected Access (WPA) is a subset of the IEEE 802.11i standard. WPA2 (IEEE 802.11i)

Appendix C Wireless LANsNWD-270N User’s Guide81The encryption mechanisms used for WPA(2) and WPA(2)-PSK are the same. The only difference between the

Appendix C Wireless LANsNWD-270N User’s Guide82Figure 32 WPA(2) with RADIUS Application ExampleWPA(2)-PSK Application ExampleA WPA(2)-PSK applicatio

Appendix C Wireless LANsNWD-270N User’s Guide83Security Parameters SummaryRefer to this table to see what other security parameters you should config

Appendix C Wireless LANsNWD-270N User’s Guide84Antenna GainAntenna gain, measured in dB (decibel), is the increase in coverage within the RF beam widt

NWD-270N User’s Guide85APPENDIX D Legal InformationCopyrightCopyright © 2009 by ZyXEL Communications Corporation.The contents of this publication may

Appendix D Legal InformationNWD-270N User’s Guide86If this device does cause harmful interference to radio/television reception, which can be determin

Appendix D Legal InformationNWD-270N User’s Guide87Notices Changes or modifications not expressly approved by the party responsible for compliance co

Appendix D Legal InformationNWD-270N User’s Guide88

NWD-270N User’s Guide89APPENDIX E Customer SupportPlease have the following information ready when you contact customer support.Required Information•

NWD-270N User’s Guide9CHAPTER 1 Getting Started1.1 OverviewThe ZyXEL NWD-270N Wireless N-lite USB Adapter brings you a better Internet experience o

Appendix E Customer SupportNWD-270N User’s Guide90• Regular Mail: ZyXEL Communications, Czech s.r.o., Modranská 621, 143 01 Praha 4 - Modrany, Ceská R

Appendix E Customer SupportNWD-270N User’s Guide91India• Support E-mail: [email protected]• Sales E-mail: [email protected]• Telephone: +91-11-30888144 t

Appendix E Customer SupportNWD-270N User’s Guide92• Regular Mail: ZyXEL Communications Inc., 1130 N. Miller St., Anaheim, CA 92806-2001, U.S.A.Norway•

Appendix E Customer SupportNWD-270N User’s Guide93Sweden• Support E-mail: [email protected]• Sales E-mail: [email protected]• Telephone: +46-31-744-7700•

Appendix E Customer SupportNWD-270N User’s Guide94

IndexNWD-270N User’s Guide95IndexAabout your ZyXEL Device 10Access Point (AP) 18Access point (AP) 18Access Point. See also AP.ACT LED 10Ad-Hoc 16Advan

IndexNWD-270N User’s Guide96Hhidden node 74humidity 49IIANA 68IBSS 71IEEE 802.11g 75IEEE 802.1x 20Independent Basic Service SetSee IBSS 71infrastructu

IndexNWD-270N User’s Guide97Wwarranty 87note 87weight 49WEP 19automatic setup 19manual setup 19passphrase 19WEP (Wired Equivalent Privacy) 19WEP key g

IndexNWD-270N User’s Guide98