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Manual NDC comm NWH650

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  • NDC comm NWH650 - page 1

    High Rate Access Point User’s Guide Rev. A1 December 20 01 Nationa l Da taco mm Corpora tion 4F, No. 24-2, Indust ry East 4 th Road, Science Park Hsin-Chu, Taiw an, R.O.C. Technical Su pport E-mail: techsu pt@ndc.com.tw NDC World W ide Web www.ndc.com.tw 11M b p s Wireless Networkin g NW H650 ...

  • NDC comm NWH650 - page 2

    ii InstantWa ve High Rate 11Mb ps Access P o int T R AD E M ARK S NDC and Instant Wave are trademarks of Natio nal Dataco mm Corporation. All other nam es mentione d in this docu ment are tradem arks/registered tra demarks o f their respective owners. NDC prov ides this d ocume nt “as is”, w ithout warranty o f any k ind, neither ex presse d no ...

  • NDC comm NWH650 - page 3

    InstantWa ve High Rate 11M bps Access P o int iii Packing List The package sho uld conta in the follo w ing items: • One NWH650 In stantWave High R ate Access Point • One RS- 232 Cable • One RJ- 45 Cable • One Power Adapter • One CD ROM (Contai ns d r ive rs, Station utilit ies, Access Po int mana ge me nt to ols, Net wor k P ro file M an ...

  • NDC comm NWH650 - page 4

    iv InstantWa ve High Ra te 11Mbps Access Point Table of Contents INTRODUCTION ..................................................................................................1 I NSTANT W AVE H IGH R ATE F AM ILY ...................................................................... 1 S YSTEM R EQUIREMEN TS ........................................ ...

  • NDC comm NWH650 - page 5

    InstantWa ve High Rate 11M bps Access P o int v Config .............................................................................................................27 AP Settings ...................................................................................................... 28 V IE W IN G I NST ANT W AVE H IG H R ATE I NFORM ATION AND S TATI ...

  • NDC comm NWH650 - page 6

    vi InstantWave Hig h Rate 11Mbps Access Point List of Figure s F IGUR E 1. S IM PL E W IRELESS I NF RASTRUCT URE N ETWO R K ....................................3 F IGUR E 2. S IN GL E AP N ETWORK ............................................................................ 4 F IGUR E 3. M ULTIP LE AP N ETWORK ........................................ ...

  • NDC comm NWH650 - page 7

    InstantWave High Ra t e 11Mbps Acce ss Point 1 Introduction Congratulations on choosi ng one of NDC’s InstantW ave High Rate wireless network ing products. In stantWave High R ate was one of the fi rst IEEE 802.11b wirel ess standard compli ant products in the industry and was design ed to maximize the convenience of networking. You will find Ins ...

  • NDC comm NWH650 - page 8

    2 InstantWave High Ra t e 11Mbps Access Point How to Use this Guide InstantWave High Rate is extre mely versatile in providing varying le vels of netwo rk ma nage me nt. Fo r Smal l Of fice/ Ho me Of fice user s, se t up a nd configuration is a quick, four-step process. The Access Point Hardw are Installation section, on pa ge 8, p rovides simple i ...

  • NDC comm NWH650 - page 9

    InstantWave High Ra t e 11Mbps Acce ss Point 3 Planning Y our Networ k Infrastructu re Net work Types An Infrastructu re network is formed by several stations and one or m o re Access Points (APs), with the stations within a set distance from the AP. Figure 1 depicts a typical Inf rastructu re network topology . There are three inf rastructure netw ...

  • NDC comm NWH650 - page 10

    4 InstantWave High Ra t e 11Mbps Access Point Figure 2. Single A P Network Type 3. T he third type of network is co mposed of multiple APs and multiple Stations ( Figure 3 ). Figure 3. Multiple AP Network The reasons for having multip le APs installed are: 1. To increase ban dwidth in order to bo ost overall n etwork perform a nce 2. To extend the ...

  • NDC comm NWH650 - page 11

    InstantWave High Ra t e 11Mbps Acce ss Point 5 Plannin g an Infrast ructure Network This section explains so me of the things you need to co nsider in planning an Infras tr uc tur e net wo rk. Se t tin g up is a two st ep p roc ess. 1. Install and configu re the InstantWave High Rate products 2. Decide the best phy sical location of the InstantWave ...

  • NDC comm NWH650 - page 12

    6 InstantWave High Ra t e 11Mbps Access Point Roam ing InstantWave High R ate products are equipped wi th seamless roaming capabilities. Roaming is necessary to prev ent mobile Stations from being disconnected from the net wo rk as t he y mo ve ar ound . InstantWave High Rate is desi gned to allow wireless Statio n s to roam freely within an infras ...

  • NDC comm NWH650 - page 13

    InstantWave High Ra t e 11Mbps Acce ss Point 7 Access Point Placem ent Guidelines A characteristic of radio comm unication is the interference problem. Radio is receptive to interf erence. T herefore, the m ore interference you can avoid, the better performance you will get fro m wireless products. T he following section describes how the InstantWa ...

  • NDC comm NWH650 - page 14

    8 InstantWave High Ra t e 11Mbps Access Point Getting Star ted Access Point Hard ware Installat i on Access Point Hardware Setup explains how to qu ickly setup the Access Point for use via a wired Eth ernet connection, and using the f actor y default settings. For installation in net works using o ther tha n the de fault settings, i.e. into existin ...

  • NDC comm NWH650 - page 15

    InstantWave High Ra t e 11Mbps Acce ss Point 9 General Color Function Green Unlit: Power OFF Blinking: Diagnostic test On: Healthy condition PWR (Power/Status) Red On: Abnormal Co ndit ion E/N (Etherne t) Color Functio n TX/RX Orange Blinks to indicate Ethernet transmission/reception activity LINK Green Indicates an Ethern et link. If the radio fai ...

  • NDC comm NWH650 - page 16

    10 InstantWave High Ra t e 11M bp s Access Poin t Har dwar e Pr e-Configur ation Befo re a dd ing an AP into a n e xi s t in g Et herne t net wor k, yo u ma y nee d to set b a sic confi gur atio ns, e. g. d omain na me (SSI D ), se cur ity se tti ng ( W EP ), AP na me, channel number, or IP address in order to make it compatible with the ex isting ...

  • NDC comm NWH650 - page 17

    InstantWave High Ra t e 11Mbps Acce ss Point 11 Using the AP COMFig T ool The AP COMFig Tool is a Windows based u tility used to configure the AP vi a a COM port conn ection between the AP and a PC. It provides the following functio ns: • Sets AP parameters (e.g ., IP address, Dom ain name (SSID), Security, etc.) • Diagnose s the AP har d ware ...

  • NDC comm NWH650 - page 18

    12 InstantWave High Ra t e 11M bp s Access Poin t Figure 8. A P COMFig Tool/Password AP COMFig/ Service After connecting with the AP, click on the Service tab to open th e Service card ( Figure 9 ). The Service card provides acces s to the management features. Figure 9. A P COMFig Tool/Service Click the View and Modify AP Confi guration button. The ...

  • NDC comm NWH650 - page 19

    InstantWave High Ra t e 11Mbps Acce ss Point 13 Genera l: The General card ( Figure 10 ) is the first card in the Confi guration section. Figure 10. Configuration/G eneral ...

  • NDC comm NWH650 - page 20

    14 InstantWave High Ra t e 11M bp s Access Poin t On this c ard , you c an se t and vie w gener al AP sett i n gs: AP Alias Nam e Assigns the AP a u nique human f riendly name that allows the AP to be easil y identified Domain Name (SSID) This is co mmonly called the Do main Name but is defined in the IEEE 802.11b Wirel ess Standard as SSID. Statio ...

  • NDC comm NWH650 - page 21

    InstantWave High Ra t e 11Mbps Acce ss Point 15 Regulatory Dom ain Identifies the country where the A P is used. Each country has def ined its available channel numbers and tran smission power (see Appen dix, page 52) BSSID This is the MAC ID of the AP Firmwa re Ve rsio n The current A P fir mware version Important : In a multiple cell network topo ...

  • NDC comm NWH650 - page 22

    16 InstantWave High Ra t e 11M bp s Access Poin t Figure 11. Configuration/En cr yption The dropdow n Method box lists three options: 1. Disabled (default) - Dis able d ata encr yption 2. 40-bit WEP - Enable u se of 40- bit WEP 3. 128-bit WEP - Enable use of 128-bi t WEP Key Generation - There are two ways to g enerate a security key. The first is ...

  • NDC comm NWH650 - page 23

    InstantWave High Ra t e 11Mbps Acce ss Point 17 IP: Note: Thes e SNMP relat ed settings are onl y useful for netw ork management and remote conf iguration (APM S). For proper wireles s connections, these setti ngs don’t have to be c hanged. From the IP card ( Figure 12 ) you may view or m odify the Access Point’s TCP/IP address, conf igure its ...

  • NDC comm NWH650 - page 24

    18 InstantWave High Ra t e 11M bp s Access Poin t Figure 12. Configuration/IP After maki ng a n y cha nge s, cli ck the Apply button to make the changes effective immediat ely, without clos ing the dialog box, or cl ick OK to accept the changes and close the box. Note: Click Add to APM S Host Ta ble to add the confi gured AP to the APMS Host Table. ...

  • NDC comm NWH650 - page 25

    InstantWave High Ra t e 11Mbps Acce ss Point 19 Filt er: The next tab on the dial og box is Filter ( Figure 13 ). This is a one-w ay protocol filtering mechanism that prevents t he AP from transmitting specified pro to cols from a wired Ethernet LAN into the wireless LAN. If you do not require particular protocols on the wi reless part of y our net ...

  • NDC comm NWH650 - page 26

    20 InstantWave High Ra t e 11M bp s Access Poin t SNMP Access Control: SNMP Access Control is th e next tab on th e box ( Figure 14 ). Figure 14. Config uration/SNMP A ccess Control The AP’s access cont rol is managed by a control table on the AP. The firs t time this box is opened, the table will b e empty. This means that there are no restricti ...

  • NDC comm NWH650 - page 27

    InstantWave High Ra t e 11Mbps Acce ss Point 21 Figure 15. New Entry Two levels of access are available. Read Read-only rights. The user may read everything except the Access Co ntrol sett ings, but cannot alter anything Read/Write T he user may read and alter all settings Enter your IP address an d then set your own access rights to Read/Write (se ...

  • NDC comm NWH650 - page 28

    22 InstantWave High Ra t e 11M bp s Access Poin t Figure 16. Hardware Diagno sis Click Start a nd the tests will commence. As each item is tested, a yellow arrow will appear alongside it. If the test is successful, the arrow will change to a green tick. If a f ailure occurs, an “X” will appear. You can click Cancel at any time to stop the tests ...

  • NDC comm NWH650 - page 29

    InstantWave High Ra t e 11Mbps Acce ss Point 23 Figure 17. Upgrade A P Firmware Use the Browse button to choose the file to be uploaded to the AP, or type the file location and name in the File Name field. The Upload button will the n beco me enabled. Click Upload . The new firmware will be loaded i nto the AP’s flash memory area. When the file t ...

  • NDC comm NWH650 - page 30

    24 InstantWave High Ra t e 11M bp s Access Poin t Figure 19. A PMS Table-1 From here you can view/delete all the APs added to this host table. This table can be saved and retrieved from the APMS utilit y so tha t you don’t need to create such a table again in the APMS utility. Select an AP in the table and click the Details button to view and ed ...

  • NDC comm NWH650 - page 31

    InstantWave High Ra t e 11Mbps Acce ss Point 25 Using the Access P oint Mana gement System (Advanced Configuration and Management) Once the AP is conn ected to an Ethernet network, a netw ork administrator can connect to it from any PC on the same network via the Access Point Management System (APMS) utility. The APMS u tility is a Win dows- based ...

  • NDC comm NWH650 - page 32

    26 InstantWave High Ra t e 11M bp s Access Poin t Figure 22. Network Management Sy stem-2 2. Click the AP main menu ite m to open its sub- menu and t hen click Create New AP ( Figure 23 ). Figure 23. Network Management Sy stem-3 Input the AP’s IP address an d its commun ity string (thi s string w ill be used for SNMP access control). When th e in ...

  • NDC comm NWH650 - page 33

    InstantWave High Ra t e 11Mbps Acce ss Point 27 Figure 24. AP Properties Here y ou may modify th e IP address and C ommunity stri ng. Changes m ade here will be immediately effective. If the connection attempt was unsucce ssful, a message bo x will appear informing you t ha t the req uest had no resp onse . Clic k OK to close the messag e box and r ...

  • NDC comm NWH650 - page 34

    28 InstantWave High Ra t e 11M bp s Access Poin t The menu offers configuration o ptions that enable you to tailor your net work to suit your nee ds. • AP Settings - sets the AP’s IP related parameters, sets filters, sets wireless related parameters, sets AP Access Co ntrol list • Tr ap M a nage ment • Load Factory C onfiguration • Upgrad ...

  • NDC comm NWH650 - page 35

    InstantWave High Ra t e 11Mbps Acce ss Point 29 LAN, then the SNM P respond packet needs to go through a router-gatew ay. The default g ateway is the path to tha t router. If you set the correct defau lt gateway, then you ca n use a PC running APMS located on a different subnet to manage t his AP. All Ins tantWave Access Poin ts are delivered w ith ...

  • NDC comm NWH650 - page 36

    30 InstantWave High Ra t e 11M bp s Access Poin t From the Filter card, some, all, or non e of the prot ocols listed m ay be selected f or filtering out: • IP protocol • IPX prot ocol • NetBEUI protoc ol • AppleTalk protocol • Othe r protocols • Internet Multicast Frames Selecting a protocol to b e filtered will activate the AP’s prot ...

  • NDC comm NWH650 - page 37

    InstantWave High Ra t e 11Mbps Acce ss Point 31 Private T ransfer: TFTP currently has no provisions for user au thentication. We suggest you keep the ‘Private Transfer’ option checked in order to prevent any o ne other than the netwo rk ad mini str ato r usi ng t he AP MS p ro gr a m to up gra d e the AP fir mwar e. I f you want to use a third ...

  • NDC comm NWH650 - page 38

    32 InstantWave High Ra t e 11M bp s Access Poin t Note: Do not set all th e sta tions in the Access Contro l ta ble to Read. Once this is set and enabled, it will be difficult to modify the AP. Should this situation occur, use the AP COMFig u tility to re-set the co n fig uration. Two levels of access are available. To set access rights, en ter a s ...

  • NDC comm NWH650 - page 39

    InstantWave High Ra t e 11Mbps Acce ss Point 33 Access Opt ions MAC Add ress Li st : Status Disables or enables an individual entr y Addres s The MAC address of a wireless station Comm ent A brief description of the wireless sta tion Access Options: Disabled Stops MAC access control, all w ireless stations are allowed to associate with this access ...

  • NDC comm NWH650 - page 40

    34 InstantWave High Ra t e 11M bp s Access Poin t Wirele ss: Clicking on the Wi re le ss tab opens th e wireless card ( Figu re 31 ). Figure 31. AP Setting/Wireless ...

  • NDC comm NWH650 - page 41

    InstantWave High Ra t e 11Mbps Acce ss Point 35 The Wireless card groups all the user con figurable wireless Access Point (AP) functions. Here you may make setting s as follo ws: AP Alias Name Assigns the AP a uniqu e name Domain Name (SSID) This is more commonly called the Do main Name but is defin ed in the IEEE 802.11 Wi reless Standard as SSID. ...

  • NDC comm NWH650 - page 42

    36 InstantWave High Ra t e 11M bp s Access Poin t Encryption: Note: Mos t wireless connection problems arise from improper W EP settings s o make sure all APs and w ireless stations use the s ame settings. Sets the data encryption parameters for the wireless LAN. Click the arrow to the right of the Method box . The dropdow n list has th ree options ...

  • NDC comm NWH650 - page 43

    InstantWave High Ra t e 11Mbps Acce ss Point 37 The first is by entering any text in the Passphr ase field. Click the Generate button. For 40-bit WEP, it will generate four keys, Key 1, Ke y 2, Key 3, and Key 4. Select a key num ber from the dropdow n list of the Default Key box. If you do not select a key, key 1 is selected, as i t is the defaul t ...

  • NDC comm NWH650 - page 44

    38 InstantWave High Ra t e 11M bp s Access Poin t Figure 34. AP Trap Serv er Program When the AP is powered on, or an Ethernet port becomes active, an event log will be generated in dicatin g the time, the MAC ID of the reporting AP, and th e activity. You may save, open, and delete lo g files from the File menu . In the Progr am menu, select Aut o ...

  • NDC comm NWH650 - page 45

    InstantWave High Ra t e 11Mbps Acce ss Point 39 Figure 35. Upgrade A P Firmware The Upload button will then beco me enabled. Click Upl oad to start uploading the file to the Access Point. T he APMS and the AP’s built -in Trivial File Transfer Protocol (TFTP) command will upload the new exec utable i nto the AP’s flash memory area. If the upload ...

  • NDC comm NWH650 - page 46

    40 InstantWave High Ra t e 11M bp s Access Poin t Viewin g InstantW ave High Rate Infor mation and Statist ics View The menu items under View p r ovide read-only information and s tatistics. To customize the screen view, righ t-click in the main screen to open a context sensitive menu. Select y o ur preferred view, i.e. Icon s, List, Details, etc. ...

  • NDC comm NWH650 - page 47

    InstantWave High Ra t e 11Mbps Acce ss Point 41 Figure 37. AP Information When fin i shed vie win g AP info rmat ion, clic k OK to close the window. Wireless Stations The Connect ed Wirel ess Stations window lists all the currently associated wireless station’s M e d ia Acc e ss Co ntr ol (MAC) a ddr esses. W hen fi nished vie win g, clic k OK to ...

  • NDC comm NWH650 - page 48

    42 InstantWave High Ra t e 11M bp s Access Poin t Figure 38. Wirel ess Port Stat istics Figure 39. Ethern et Port Statistics These statistics will be lost when the Acce ss P oint (AP) reb oots o r is reset. To poll for new statistics clic k on the Polling Timer button. Set the ti me period (in seconds) and click OK to clos e the box. Click Update t ...

  • NDC comm NWH650 - page 49

    InstantWave High Ra t e 11Mbps Acce ss Point 43 Figure 40. Save A P Configuration Loading the AP’s Configuration from a File To load a configu ratio n file (.WLN) to the Access Point, on the File menu, click Load AP Con figuration . Select a configuration file and open it. The following dialog box will open an d display th e detailed se ttings. F ...

  • NDC comm NWH650 - page 50

    44 InstantWave High Ra t e 11M bp s Access Poin t attributes of security keys are externally write-only and cann ot be saved into the configuration file. Cli ck Encryption to set up the security keys manua ll y. Password Clicking P asswo rd opens a Change Passw or d config urat i on b ox. Ente r your ne w password and then enter it again to confirm ...

  • NDC comm NWH650 - page 51

    InstantWave High Ra t e 11Mbps Acce ss Point 45 T r oubleshooting Thi s se ctio n pr o vid e s yo u wit h so me tro uble shoo ti ng i n fo sho uld you e nc o unter inst allation or operation problems on InstantWave High Rate products. If th e problems still ca nnot be remedied after going through the Troubleshooting section, check the FAQs at http: ...

  • NDC comm NWH650 - page 52

    46 InstantWave High Ra t e 11M bp s Access Poin t A wirel ess PC cannot associate with the AP, even though the link quality is perfect and the taskbar ind icator is green. Make s ure your wir ele ss PC i s using a WiFi c o mp lian t adapter and has th e same SSID and security s ettings as the AP. 1. SSID: The ‘Domain Name (SSID)’ is case-sensit ...

  • NDC comm NWH650 - page 53

    InstantWave High Ra t e 11Mbps Acce ss Point 47 T ec hnical Suppor t Support from Your Network Supplier If assistance is required, call your supplier for help. Have the follo wing information ready before you make the call. 1. LED st atus 2. A list of the product h ardware (inclu ding revision levels), and a brief desc r ipt i on of t he net wor k ...

  • NDC comm NWH650 - page 54

    48 InstantWave High Ra t e 11M bp s Access Poin t NDC Limited War ranty Hardware NDC warran ts its products to be free of defects in workmanshi p and materials, under n ormal use and service, f or a period of 12 m onths from the date of purchase from NDC or its Au thorized Reseller, and for the period of tim e specified in the documentation supplie ...

  • NDC comm NWH650 - page 55

    InstantWave High Ra t e 11Mbps Acce ss Point 49 3. Charges: Usually RMA (Returned Material Authorization) item s will be returned to th e purchaser via airmail, prepaid by ND C. If return ed by another carrier, the purchaser will pay the diff erence. A return freight and handling fee will be charged to the purchaser if NDC deter mines that there wa ...

  • NDC comm NWH650 - page 56

    50 InstantWave High Ra t e 11M bp s Access Poin t Specifications Genera l Regulatory Comp liance FCC Part 15 Class B. (US) Standar ds Wireless LA N: IEEE 802.11b, W i-Fi Compliant Ethernet: IEEE 802.3 Data Rate 11Mbps/ 5.5Mbps/2 Mbps/1Mb ps auto fa llback Comm unication Method Half -Duplex Security 40-bit/128- bit WEP Data Enc ryption LED Indicato ...

  • NDC comm NWH650 - page 57

    InstantWave High Ra t e 11Mbps Acce ss Point 51 Sof tware SNMP Functions Configuration v ia COM port and Config uration a nd mana gement vi a SNMP in a Window s environm ent through Et hernet. MIB II (RFC 1213), Bri dge MIB (RFC 1493) Enterprise MIB Trap Filter Security Data encr yption Access control Passw ord assig nment a nd rights Firmwar e Upg ...

  • NDC comm NWH650 - page 58

    52 InstantWave High Ra t e 11M bp s Access Poin t Appendix This appendi x lists th e channels support ed by th e world’s regul atory domains . The channel num bers, channel center f requencies, and regulatory domains are shown in the table. Channel Number Center F requency (MHz) FCC/ Canada E TSI Spain France Japan 1 2412 O O O 2 2417 O O O 3 242 ...

  • NDC comm NWH650 - page 59

    InstantWave High Ra t e 11Mbps Acce ss Point 53 EC DECLA R A TION OF CO NFOR MITY For the f ollowing equipm ent : Product Name : InstantWave Wireles s A ccess Point Model Numb er : NWH650 is hereb y conf irmed to c ompl y with the req uirem ents s et out in th e Counci l Directi ve on the Approx im ation of the Laws of the Me mber States rela ting ...

  • NDC comm NWH650 - page 60

    54 InstantWave High Ra t e 11M bp s Access Poin t Inde x A Accepted List ................................ 33 Access Control........................ 20, 31 Access Options ............................. 33 Access Righ ts ......................... 20, 31 Alias Name ............................. 14, 35 AP C OM Fi g Password ............................. ...

  • NDC comm NWH650 - page 61

    55 Inst a nt W a v e H i g h R a t e 1 1 Mbps Access P o i n t Polling Timer ................................ 42 Properties ...................................... 26 Protocol Filtering .................... 19, 29 R Regulatory Do mains ............... 15, 35 Reset A P Configuration ................ 23 Resetting the AP ........................... 39 ...

Manufacturer NDC comm Category Network Router

Documents that we receive from a manufacturer of a NDC comm NWH650 can be divided into several groups. They are, among others:
- NDC comm technical drawings
- NWH650 manuals
- NDC comm product data sheets
- information booklets
- or energy labels NDC comm NWH650
All of them are important, but the most important information from the point of view of use of the device are in the user manual NDC comm NWH650.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals NDC comm NWH650, service manual, brief instructions and user manuals NDC comm NWH650. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product NDC comm NWH650.

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A complete manual for the device NDC comm NWH650, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use NDC comm NWH650 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of NDC comm NWH650.

A complete NDC comm manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual NDC comm NWH650 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the NDC comm NWH650, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the NDC comm NWH650, that we can find in the current document
3. Tips how to use the basic functions of the device NDC comm NWH650 - which should help us in our first steps of using NDC comm NWH650
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with NDC comm NWH650
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of NDC comm NWH650 in a specific country, if it was not possible to solve the problem on our own.

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