ZyXEL Communications NWD2105 User Manual
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ZyXEL Communications NWD2105 User Manual

Wireless n-lite usb adapter
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NWD2105
Wireless N-lite USB Adapter
Version 1.0
Edit ion 1, 05/ 2010
www.zyxel.com
www.zyxel.com
Copyright © 2010
ZyXEL Communications Corporation

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  • Page 1 NWD2105 Wireless N-lite USB Adapter Version 1.0 Edit ion 1, 05/ 2010 www.zyxel.com www.zyxel.com Copyright © 2010 ZyXEL Communications Corporation...

  • Page 3: About This User's Guide

    About This User's Guide About This User's Guide Intended Audience This m anual is int ended for people who want t o configure t he NWD2105 using t he ZyXEL ut ilit y. Tips for Reading User’s Guides On-Screen When r eading a ZyXEL User ’s Guide On- Screen, keep t he following in m ind: •...
  • Page 4 Warrant y I nform at ion. • Dat e t hat you received your device. • Brief descript ion of t he problem an d t he st eps you t ook t o solve it . NWD2105 User’s Guide...

  • Page 5: Document Conventions

    Syntax Conventions • The NWD2105 m ay be referred t o as t h e “ NWD2105”, t he “ device”, t he “ syst em ” or t he “ product ” in t his User ’s Guide. •...
  • Page 6 Icons Used in Figures Figures in t his User ’s Guide m ay use t he following generic icons. Wireless Access Point Com put er Not ebook com put er Server Modem Telephone I nt ernet Wireless Signal NWD2105 User’s Guide...

  • Page 7: Safety Warnings

    WEEE st ands for Wast e Elect ronics and Elect rical Equipm ent . I t m eans t hat used elect rical and elect ronic product s should not be m ixed wit h general wast e. Used elect rical and elect ronic equipm ent should be t reat ed separat ely. NWD2105 User’s Guide...
  • Page 8 Safety Warnings NWD2105 User’s Guide...

  • Page 9: Contents Overview

    Contents Overview Contents Overview Introduction and Configuration .................... 17 Getting Started ........................... 19 Wireless LANs ........................... 27 ZyXEL Utility ..........................39 Troubleshooting and Specifications ..................53 Troubleshooting ......................... 55 Product Specifications ....................... 59 Appendices and Index ......................63 NWD2105 User’s Guide...
  • Page 10 Contents Overview NWD2105 User’s Guide...

  • Page 11: Table Of Contents

    2.4.1 Push Button Configuration ..................26 2.4.2 PIN Configuration ....................... 26 2.4.3 How WPS Works ......................28 2.4.4 Limitations of WPS ..................... 31 Chapter 3 ZyXEL Utility - Mac OS X ......................33 3.1 Overview ..........................33 NWD2105 User’s Guide...
  • Page 12 4.3 Accessing the ZyXEL Utility ....................54 4.4 Link Quality .......................... 54 4.5 Problems Communicating with Other Computers ............... 55 Chapter 5 Product Specifications ......................57 Appendix A Wireless LANs ....................61 Appendix B Legal Information ....................77 Index............................83 NWD2105 User’s Guide...

  • Page 13: Chapter 1 Getting Started

    1.1 Overview The ZyXEL NWD2105 Wireless N- lit e USB Adapt er brings you a bet t er I nt ernet experience over exist ing I EEE 802.11 b/ g/ n net w orks. Wit h dat a rat es of up t o 150 Mbps, you can enj oy a breat ht aking high- speed connect ion at hom e or in t he office.

  • Page 14: Features

    Fi Prot ect ed Set up) com pliant . WPS allows you t o easily set up a secure connect ion wit h anot her WPS- enabled device. The NWD2105 is a USB adapt er which connect s t o an em pt y USB port on your com put er.

  • Page 15: Hardware Installation

    Locat e an available USB port on t he com put er. Rem ove t he prot ect ive cap t o expose t he USB connect or. I nsert t he NWD2105 int o an available USB port on t he com put er.

  • Page 16: Installing The Zyxel Utility

    1.4.2 Installing the ZyXEL Utility To inst all t he ZyXEL Ut ilit y: Make sure t he NWD2105 is disconnect ed from your com put er before you begin t he inst allat ion process. Open t he ZyXEL_ USB.dm g file on t he included disc.
  • Page 17 Applications folder and a link to it is created in your System Preferences > Accounts > [Admin Account] > Login Items. This is a monitoring application that detects the NWD2105 whenever you connect it to your computer and which then automatically opens the ZyXEL Utility.

  • Page 18: Uninstalling The Zyxel Utility

    Double- click t he USBW ir e le ss- Le opa r d- Un in st a ll.pk g t o run t he inst allat ion program and follow t he on- scr een inst ruct ions. Aft er uninst alling t he ZyXEL Ut ilit y and device driver, you m ust rest art your com put er. NWD2105 User’s Guide...

  • Page 19: Device Applications

    Infrastructure To connect t o a net work via an access point ( AP) , set t he NWD2105 net work t ype t o I n fr a st r u ct u r e . Through t he AP , you can access t he I nt er net or t he w ired net work behind it .
  • Page 20 Ad- H oc does not require an AP or a wired net work. Tw o or m ore wireless client s com m unicat e direct ly wit h each ot her. Note: Wi-Fi Protected Setup (WPS) is not available in ad-hoc mode. Figure 3 Application: Ad-Hoc NWD2105 User’s Guide...

  • Page 21: Chapter 2 Wireless Lans

    Turning off aut hent icat ion m eans disabling all securit y prot ocols and opening your net work t o anyone wit h t he m eans t o connect t o it . NWD2105 User’s Guide...

  • Page 22: Before You Begin

    Every device in t he sam e wireless net w ork m ust use t he sam e SSI D. The SSI D is t he nam e of t he w ireless net work. I t st ands for Service Set I Dent it y. NWD2105 User’s Guide...

  • Page 23: Wireless Lan Security

    WEP ( Wired Equivalent Privacy) encrypt ion scram bles all dat a packet s t ransm it t ed bet ween t he NWD2105 and t he AP or ot her wireless st at ions t o keep net work com m unicat ions pr ivat e.
  • Page 24 • Aut o aut hent icat ion m ode allows t he NWD2105 t o swit ch bet ween t he open syst em and shared key m odes aut om at ically. Use t he aut o m ode if you do not know t he aut hent icat ion m ode of t he ot her wireless st at ions.

  • Page 25: Wifi Protected Setup

    2.4 WiFi Protected Setup Your NWD2105 support s WiFi Prot ect ed Set up ( WPS) , which is an easy way t o set up a secure wireless net work. WPS is an indust ry st andard specificat ion, defined by t he WiFi Alliance.

  • Page 26: Push Button Configuration

    WPS in range of each ot her. However, you need t o log int o t he configurat ion int erfaces of bot h devices t o use t he PI N m et hod. NWD2105 User’s Guide...
  • Page 27 I f you cannot connect , check t he list of associat ed wireless client s in t he AP’s configurat ion ut ilit y. I f you see t he wireless client in t he list , WPS was successful. NWD2105 User’s Guide...

  • Page 28: How Wps Works

    PSK or WPA2- PSK pre- shared key t o t he enr ollee. Whet her WPA- PSK or WPA2- PSK is used depends on t he st andards support ed by t he devices. I f t he regist rar is NWD2105 User’s Guide...
  • Page 29 WPS, it becom es “ configured”. A configured wireless client can st ill act as enrollee or regist rar in subsequent WPS connect ions, but a configured access point can no longer act as enrollee. I t will be t he regist rar in all NWD2105 User’s Guide...

  • Page 30: Example Wps Network Setup

    . AP1 supplies t he exist ing securit y inform at ion t o Clie n t 2 . Figure 8 WPS: Example Network Step 2 REGISTRAR EXISTING CONNECTION CLIENT 1 ENROLLEE CLIENT 2 NWD2105 User’s Guide...

  • Page 31: Limitations Of Wps

    ( by pressing t he WPS but t on on t he regist rar and t he first enrollee, for exam ple) , t hen check t hat it successfully enr olled, t hen set up t he second device in t he sam e way. NWD2105 User’s Guide...
  • Page 32 ( usually pr int ed on a label on t he bot t om of t he device) . I f t here is an unknown MAC address you can rem ove it or reset t he AP . NWD2105 User’s Guide...

  • Page 33: Zyxel Utility - Mac Os X

    Sect ion 3.8 on page 43) let s you view net work t raffic st at ist ics bet ween t he NWD2105 and t he AP or peer t o which it is connect ed. • The Adva n ce d screen ( Sect ion 3.9 on page...

  • Page 34: Before You Begin

    Use t his screen t o add, delet e, edit or act ivat e a profile wit h a set of wireless and securit y set t ings. Link St at us Use t his screen t o see your current connect ion st at us, configurat ion and dat a rat e st at ist ics. NWD2105 User’s Guide...

  • Page 35: The Profile Screen

    Advanced Use t his screen t o configure advanced set t ings on your NWD2105. Use t his screen t o configure t he WPS ( Wi- Fi Prot ect ed Securit y) set t ings on your NWD2105.
  • Page 36 Click t his t o rem ove a select ed profile from t he list . Act ivat e Click t his t o select t he profile t o use. Alt ernat ively, double- click t he profile’s nam e in t he list . NWD2105 User’s Guide...

  • Page 37: The Profile - System Configuration Screen

    Select t his t o have t he NWD2105 never go int o sleep m ode. ( Const ant ly Awake Mode) Power Saving Select t his t o have t he NWD2105 go int o sleep m ode when it is not Mode t ransm it t ing dat a. Net work Type Select I nfr a st r uct ur e t o connect t o a wireless access point , or select 8 0 2 .1 1 Ad H oc t o connect t o anot her wireless- enabled com put er.

  • Page 38: The Profile - Authentication And Security Screen

    I n I nfrast ruct ure m ode, t his field is not configurable; t he NWD2105 uses whichever channel t he AP uses.
  • Page 39 • When you select Sha r e d in t he Aut he nt ica t ion Type field, t his displays W EP and t he NWD2105 uses Wired Equivalent Privacy securit y for dat a encrypt ion. •...

  • Page 40: The Link Status Screen

    Chapter 3 ZyXEL Utility - Mac OS X 3.6 The Link Status Screen This screen allows you t o view t he st at us of t he NWD2105’s wireless connect ion wit h an AP or peer com put er.

  • Page 41: The Site Survey Screen

    This shows t he st rengt h of t he ant enna’s signal. The signal st rengt h depends m ainly on t he ant enna out put power and t he dist ance bet ween your NWD2105 and t he AP or peer com put er. Noise Level This indicat es t he relat ive int erfence from ot her nearby wireless devices as a percent age.
  • Page 42 Click t his t o connect t o t he highlight ed wireless net work. ADD PROFI LE Click t his t o go t o t he Add Pr ofile : Syst e m Configur a t ion screen. NWD2105 User’s Guide...

  • Page 43: The Statistics Screen

    3.8 The Statistics Screen This screen allows you t o view st at ist ics on net work t raffic bet w een t he NWD2105 and t he associat ed AP or peer com put er. This screen is prim arily for t r oubleshoot ing purposes.
  • Page 44 LABEL DESCRIPTION Fram es This displays t he num ber of fram es t ransm it t ed by t he NWD2105 t hat Failed t o did not receive an acknowledgem ent response from t he ot her wireless Receive ACK device.

  • Page 45: The Advanced Screen

    This field displays t he m axim um rat e at which dat a is sent by t he NWD2105 over t he wireless net work. Aut o indicat es t hat t he net work speed is chosen aut om at ically by t he NWD2105 based on it s current connect ion.

  • Page 46: The Wps Screen

    WPS Profile List This sect ion displays a profile creat ed explicit ly for use wit h WPS in Re gist r a r m ode. The NWD2105 creat es t he profile on t he fly as it is needed.
  • Page 47 This field displays a random ly generat ed 8- digit personal ident ificat ion code for your NWD2105. I n Enr olle e m ode it is not edit able but it can be renewed; in Re gist r a r m ode it can be edit ed. Click t he Re n e w but t on t o random ly generat e a new PI N code.

  • Page 48: The Information Screen

    Aut om at ically Select t his opt ion t o have t he NWD2105 aut om at ically scan for and t hen select t he AP select a WPS- com pat ible AP while m aking a WPS connect ion.

  • Page 49: The Profile Details Screen

    While in t he WPS screen, you can view inform at ion about any profile in t he W PS Pr ofile List . Click t he Pr ofile D e t a ils but t on. The following screen displays. Figure 20 ZyXEL Utility: WPS - Profile Details NWD2105 User’s Guide...
  • Page 50 This is t he random st ring of let t ers and num bers used as t he encrypt ion key seed. An encrypt ion key seed helps your NWD2105 generat e m at hm at ically random num bers t han cannot be second guessed easily...

  • Page 51: The About Screen

    This sect ion displays t he version num ber and release dat e of t he NWD2105’s device driver. MAC Address This field displays t he NWD2105 Media Access Cont rol ( MAC) address. EEPROM This field displays t he Elect rically Erasable Program m able Read- Only Mem ory ( EEPROM) version current ly in use by t he NWD2105.
  • Page 52 Chapter 3 ZyXEL Utility - Mac OS X NWD2105 User’s Guide...

  • Page 53: Chapter 4 Troubleshooting

    The NWD2105 does not turn on. None of the LEDs turn on. Make sure t he NWD2105 is correct ly inst alled. Rest art t he com put er t o which t he NWD2105 is at t ached. I f t he problem cont inues, cont act t he vendor.

  • Page 54: Accessing The Zyxel Utility

    4.3 Accessing the ZyXEL Utility I cannot access the ZyXEL Utility Make sure t he NWD2105 is properly insert ed and t he LEDs are on. I nst all t he NWD2105 on anot her com put er. I f t he error persist s, you m ay have a hardware problem . I n t his case, you should cont act your vendor.

  • Page 55: Problems Communicating With Other Computers

    • Make sure t he NWD2105 com put er and t he associat ed AP use t he sam e SSI D. • Change t he AP and t he associat ed wir ele ss client s t o use anot her radio channel if int erference is high.
  • Page 56 Chapter 4 Troubleshooting NWD2105 User’s Guide...

  • Page 57: Product Specifications

    H A P T E R Product Specifications Table 15 Product Specifications PHYSICAL AND ENVIRONMENTAL Product Nam e NWD2105 Wireless N- lit e USB Adapt er I nt erface USB 2.0 St andards I EEE 802.11b I EEE 802.11g I EEE 802.11n Operat ing Frequency 2.4GHZ...
  • Page 58 N. Am erica &Taiwan 2.412GHz~ 2.462GHz 1- 11 Euro ETSI 2.412GHz~ 2.472GHz 1- 13 I EEE 802.11n Downst ream dat a rat e 150 Mbps Upst ream dat a rat e 150 Mbps Operat ion Frequency 2.412GHz~ 2.472GHz 1- 13 NWD2105 User’s Guide...
  • Page 59 Mac OS X ( 10.3/ 10.4/ 10.5) WIRELESS FEATURES Wireless Securit y WEP 64bit , 128bit , WPA, WPA- PSK, WPA2, WPA2- PSK 802.1x ( EAP-TLS, EAP-TTLS, EAP- PEAP) , WPS. Note: EAP-TTLS is not supported in Windows Vista NWD2105 User’s Guide...
  • Page 60 Wi- Fi Prot ect ed Set up Push but t on configurat ion ( WPS) Use device's PI N Use AP or Rout er's PI N Ot her WMM power- saving support Com pat ible wit h Windows Zero Configurat ion NWD2105 User’s Guide...

  • Page 61: Appendix A Wireless Lans

    Set ( I BSS) . The following diagram shows an exam ple of not ebook com put ers using wir eless adapt ers t o for m an ad- hoc wireless LAN. Figure 22 Peer-to-Peer Communication in an Ad-hoc Network NWD2105 User’s Guide...
  • Page 62 When I nt ra- BSS is disabled, wireless client A and B can st ill access t he wired net work but cannot com m unicat e wit h each ot her. Figure 23 Basic Service Set NWD2105 User’s Guide...
  • Page 63 Adj acent channels part ially overlap however. To avoid int erfer ence due t o over lap, your AP should be on a channel at least five channels away from a channel t hat an NWD2105 User’s Guide...
  • Page 64 " cost " of resending large fram es is m ore t han t he ext ra net work overhead involved in t he RTS ( Request To Send) / CTS ( Clear t o Send) handshake. NWD2105 User’s Guide...

  • Page 65: Fragmentation Threshold

    Use t he dynam ic set t ing t o aut om at ically use short pream ble when all wireless devices on t he net work support it , ot herwise t he NWD2105 uses long pream ble. Note: The wireless devices MUST use the same preamble mode in order to communicate.

  • Page 66: Wireless Security Overview

    Wireless securit y m et hods available on t he NWD2105 are dat a encrypt ion, wireless client aut hent icat ion, rest rict ing access by device MAC address and hiding t he NWD2105 ident it y.
  • Page 67 Appendix A Wireless LANs Note: You must enable the same wireless security settings on the NWD2105 and on all wireless clients that you want to associate with it. IEEE 802.1x I n June 2001, t he I EEE 802.1x st andard was designed t o ext end t he feat ures of I EEE 802.11 t o support ext ended aut hent icat ion as well as providing addit ional...
  • Page 68 ( also called digit al I Ds) can be used t o aut hent icat e users and a CA issues cert ificat es and guarant ees t he ident it y of each cert ificat e owner. NWD2105 User’s Guide...
  • Page 69 However, PEAP only support s EAP m et hods, such as EAP- MD5, EAP- MSCHAPv2 and EAP- GTC ( EAP- Generic Token Card) , for client aut hent icat ion. EAP- GTC is im plem ent ed only by Cisco. NWD2105 User’s Guide...

  • Page 70: Wpa And Wpa2

    ( I EEE 802.11i) is a wireless securit y st andard t hat defines st ronger encrypt ion, aut hent icat ion and key m anagem ent t han WPA. Key differences bet ween WPA or WPA2 and WEP are im pr oved dat a encrypt ion and user aut hent icat ion. NWD2105 User’s Guide...
  • Page 71 ( MI C) , wit h TKI P and AES it is m ore difficult t o decrypt dat a on a Wi- Fi net work t han WEP and difficult for an int ruder t o break int o t he net work. NWD2105 User’s Guide...
  • Page 72 RADI US server looks as follows. " A" is t he RADI US server. " DS" is t he dist ribut ion syst em . The AP passes t he wireless client 's aut hent icat ion request t o t he RADI US ser ver. NWD2105 User’s Guide...
  • Page 73 The AP and wireless client s generat e a com m on PMK ( Pairwise Mast er Key) . The key it self is not sent over t he net work, but is derived from t he PSK and t he SSI D. NWD2105 User’s Guide...
  • Page 74 Disable Shared Enable wit h Dynam ic WEP Key Enable wit hout Dynam ic WEP Disable TKI P/ AES Enable WPA- PSK TKI P/ AES Disable WPA2 TKI P/ AES Enable WPA2- PSK TKI P/ AES Disable NWD2105 User’s Guide...
  • Page 75 Types of Antennas for WLAN There are t wo t ypes of ant ennas used for wireless LAN applicat ions. NWD2105 User’s Guide...
  • Page 76 For a single AP applicat ion, place om ni- direct ional ant ennas as close t o t he cent er of t he coverage area as possible. For direct ional ant ennas, point t he ant enna in t he direct ion of t he desired coverage area. NWD2105 User’s Guide...

  • Page 77: Appendix B Legal Information

    • This device m ay not cause harm ful int erference. • This device m ust accept any int erference received, including int erference t hat m ay cause undesir ed operat ions. NWD2105 User’s Guide...
  • Page 78 • I EEE 802.11b or 802.11g operat ion of t his product in t he U.S.A. is firm ware- lim it ed t o channels 1 t hrough 11. NWD2105 User’s Guide...
  • Page 79 . This device has been designed for t he WLAN 2.4 GHz net work t hroughout t he EC region and Swit zerland, wit h rest rict ions in France. NWD2105 User’s Guide...

  • Page 80: Zyxel Limited Warranty

    To obt ain t he services of t his warrant y, cont act your vendor. You m ay also refer t o t he warrant y policy for t he region in which you bought t he device at ht t p: / / www.zyxel.com / w eb/ support _warrant y_info.php. NWD2105 User’s Guide...
  • Page 81 Appendix B Legal Information Registration Regist er your product online t o receive e- m ail not ices of firm ware upgrades and inform at ion at www.zyxel.com . NWD2105 User’s Guide...
  • Page 82 Appendix B Legal Information NWD2105 User’s Guide...

  • Page 83: Index

    FCC int erference st at em ent 25, 69 fragm ent at ion t hreshold CCMP frequency 23, 58 Cert ificat e Aut horit y See CA. cert ificat ions not ices viewing get t ing st art ed channel 23, 63 NWD2105 User’s Guide...
  • Page 84 Tem poral Key I nt egrit y Prot ocol ( TKI P) 25, 71 t radem arks Pairwise Mast er Key ( PMK) 71, 73 passphrase password user aut hent icat ion peer com put er physical specificat ions NWD2105 User’s Guide...
  • Page 85 WPA2- PSK wireless client supplicant wit h RADI US applicat ion exam ple WPA2- Pre- Shared Key 25, 71 WPA2- PSK 25, 71, 72 applicat ion exam ple WPA- PSK 25, 71, 72 applicat ion exam ple NWD2105 User’s Guide...
  • Page 86 Index NWD2105 User’s Guide...

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