Instruction/ maintenance manual of the product NB504 NetComm
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YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 1 User Guide NB504 54Mbps Wireless Router.
NB504 User Guide YML864Rev1 2 www .netcomm.com.au CONTENTS Package Contents .........................................................................................................................................4 Chapter 1: About this Guide ........
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 3 5.7 Forwarding .......................................................................................................................................47 5.7.1 Virtual Servers ........
NB504 User Guide YML864Rev1 4 www .netcomm.com.au P ACKAGE CONTENTS The following contents should be found in your box: • One NB504 54Mbps Wireless Router • One AC power Adapter for NB504 54Mbps W.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 5 CHAPTER 1: ABOUT THIS GUIDE Thank you for choosing the NB504 54Mbps Wireless Router .
NB504 User Guide YML864Rev1 6 www .netcomm.com.au CHAPTER 2: INTRODUCTION 2.1 Over view of the Router The NB504 54Mbps Wireless Router integrates 4-port Switch, firewall, NA T -router and Wireless AP . Its design is dedicated to Small Office/Home Office (SOHO) wireless network solutions.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 7 2.2 Features • Complies with IEEE 802.11g, IEEE 802.11b, IEEE 802.3, IEEE 802.3u standards. • 1 10/100M Auto-Negotiation RJ45 WAN port, 4 10/100M Auto-Negotiation RJ45 LAN ports, supporting Auto MDI/MDIX.
NB504 User Guide YML864Rev1 8 www .netcomm.com.au 2.3 Panel Layout 2.3.1 The Front Panel The front panel of the NB504 consists of several LED indicators, which is designed to indicate connections. View from left. T a ble 2-1 describes the LEDs on the front panel of the router .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 9 2.3.2 The Rear Panel The rear panel contains the following features. (View from left to right:) • AC power socket: only use the power adapter supplied with the NB504 54Mbps Wireless Router , use of a different adapter may result in product damage.
NB504 User Guide YML864Rev1 10 www .netcomm.com.au CHAPTER 3: CONNECTING THE ROUTER 3.1 System Requirements • Broadband Internet Access Service (DSL/Cable/Ethernet) • One DSL/Cable modem that has .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 11 3.3 Connecting the Router Before you install the router , you should connect your PC to the Internet through your broadband ser vice successfully . If there is any problem, please contact your ISP .
NB504 User Guide YML864Rev1 12 www .netcomm.com.au CHAPTER 4: QUICK INST ALLA TION GUIDE After connecting the NB504 Router into your network, you should configure it. This chapter describes how to configure the basic functions of your NB504 Wireless Router .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 13 Open a command prompt, and type ping 192.168.1.1, then press Enter . If the result displayed is similar to that shown in figure 4-1, the connection between your PC and the router has been established.
NB504 User Guide YML864Rev1 14 www .netcomm.com.au 4.2 Quick Installation Guide With a Web-based (Internet Explorer or Netscape® Navigator) utility , it is easy to configure and manage the NB504 54Mbps Wireless Router . The W eb-based utility can be used on an y Windows, Macintosh or UNIX OS with a web browser .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 15 If the User Name and Password are correct, you can configure the router using the web browser . Please click the Quick Setup link on the left of the main menu and the Quick Setup screen will appear .
NB504 User Guide YML864Rev1 16 www .netcomm.com.au If you Choo se “ St atic IP ”, the S tati c IP se ttin gs p age wil l app ear , show n in fig ure 4-8: Figure 4-8 Quick Setup - Static IP Note - The IP parameters should have been provided by your ISP .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 17 After you complete the above, click Next , the Wireless settings page will appear , shown in figure 4-9.
NB504 User Guide YML864Rev1 18 www .netcomm.com.au Click the Next button, you will then see the Finish page: Figure 4-10 Quick Setup - Finish After finishing all configurations of basic network parameters, please click Finish button to exit this Quick Setup .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 19 CHAPTER 5: CONFIGURING THE ROUTER This chapter describes each web page’ s key functions. 5.1 login After your successful login, you can configure and manage the router . There are ten main menus on the left of the web-based utility .
NB504 User Guide YML864Rev1 20 www .netcomm.com.au 5.2 Status The Status page displays the router’ s current status and configura tion. All information is read-only . 1. LAN This field displays the current settings or information for the LAN, including the MAC address, IP address and Subnet Mask .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 21 Figure 5-1 Router Status.
NB504 User Guide YML864Rev1 22 www .netcomm.com.au 5.3 Quick Setup Please refer to Section 4.2: “Quick Installation Guide.” 5.4 Network Figure 5-2 the Network menu There are three submenus under the Network menu (shown in figure 5-2): LAN, WAN and MAC Clone .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 23 5.4.2 W AN Y ou can configure the W AN port parameters on this page. Fir st, ple ase cho ose the WAN Conn ect ion T ype (Dy nam ic I P/St atic IP/ PPP oE/8 02.1 X + Dyn amic IP /802 .
NB504 User Guide YML864Rev1 24 www .netcomm.com.au Get IP with Unicast DHCP - A few ISPs’ DHCP servers do not support the broadcast applications. If you cannot get the IP Address normally , you can choose this option. (This is rarely required.) 2. If you choose Sta tic IP , you should have fixed IP Parameters specified by your ISP .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 25 3. If you choo se PPP oE , you s hou ld e nter th e fo llow ing para met ers (figu re 5-6) : Figure 5-6 WAN - PPPoE • User Name/Password - Enter the User Name and Password provided by your ISP .
NB504 User Guide YML864Rev1 26 www .netcomm.com.au Click the Connect button to connect immediately , Click the Disconnect button to disconnect immediately .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 27 4. If you choose 802.1X + Dynamic IP , you should enter the follow parameters(figure 5-8) : Figure 5-8 802.1X + Dynamic IP Settings • User Name - Enter the user name for 802.1X authentication provided by your ISP • Password - Enter the password for 802.
NB504 User Guide YML864Rev1 28 www .netcomm.com.au 5. If you choose 802.1X + Sta tic IP , you should enter the f ollow parameters(figure 5-9) : Figure 5-9 802.1X + Static IP Settings • User Name - Enter the user name for 802.1X authentication provided by your ISP • Password - Enter the password for 802.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 29 6. If you choose BigPond Cable , you should enter the following parameters (figure 5-10): Figure 5-10 BigPond Settings • User Name/Password - Enter the User Name and Password provided by your ISP .
NB504 User Guide YML864Rev1 30 www .netcomm.com.au 7. If you choose L2TP , you should enter the following parameters (figure 5-11): Figure 5-11 L2TP Settings • User Name/Password - Enter the User Name and Password provided by your ISP . These fields are case-sensitive.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 31 8. If you choose PPTP , you should enter the following parameters (figure 5-12): Figure 5-12 PPTP Settings • User Name/Password - Enter the User Name and Password provided by your ISP .
NB504 User Guide YML864Rev1 32 www .netcomm.com.au • Connect Automatically - Connect automatically after the router is disconnected. T o use this option, click the radio button. • Connect Manually - Y ou can configure the router to make it connect or disconnect manually .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 33 5.4.3 MAC Clone Y ou can configure the MAC address of the W AN port on this page, figure 5-13: Figure 5-13 MAC Address Clone Some ISPs require that you register the MAC Address of your adapter , which is connected to your cable, DSL modem or Ethernet during installation.
NB504 User Guide YML864Rev1 34 www .netcomm.com.au 5.5 Wireless Figure 5-14 Wireless menu There are three submenus under the Wireless menu (shown in figure 5-14): Wireless Settings, MAC Filtering and Wireless Statistics . Click any of them, and you will be able to configure the corresponding function.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 35 5.5.1 Wireless Settings The basic settings for the wireless network are set on this page, figure 5-15: Figure 5-15 Wireless Settings • SSID - Enter a value of up to 32 characters.
NB504 User Guide YML864Rev1 36 www .netcomm.com.au • Channel - This field determines which operating frequency will be used. It is not necessary to change the wireless channel unless you notice interference problems with another nearby access point.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 37 Figure 5-15a WPA-PSK/WPA2-PSK • WP A-PSK/WP A2-PSK Passphrase - Y ou can enter a WPA or WP A2 passphrase between 8 and 63 characters long. • Group Key Update Period - Specify the group key update interval in seconds.
NB504 User Guide YML864Rev1 38 www .netcomm.com.au 5.5.2 MAC Filtering The Wireless MAC Filtering for wireless networks are set on this page, figure 5-16: Figure 5-16 Wireless MAC address Filtering T.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 39 1. Enter the appropriate MAC Address into the MAC Address field. The format of the MAC Address is XX- XX-XX-XX-XX-XX (X is any hexadecimal digit). For example: 00-0A-EB-B0-00-0B. 2.
NB504 User Guide YML864Rev1 40 www .netcomm.com.au Note: a) If you select the radio button Allow the stations not specified by an y enabled entries in the list to access for Filtering Rules, the wire.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 41 5.5.3 Wireless Statistics This page shows MAC Address, Current Status, Received P ackets and Sent Packets for each connected wireless station.
NB504 User Guide YML864Rev1 42 www .netcomm.com.au 5.6 DHCP Figure 5-19 The DHCP menu There are three submenus under the DHCP menu (shown in figure 5-19): DHCP Settings, DHCP Clients List and Address Reserva tion . Click an y of them, and you will be able to configure the corresponding function.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 43 5.6.1 DHCP Settings The router is set up by default as a DHCP (Dynamic Host Configuration Protocol) server , which provides the TCP/IP configuration for all the PCs that are connected to the router on the LAN.
NB504 User Guide YML864Rev1 44 www .netcomm.com.au 5.6.2 DHCP Clients List This page shows Client Name, MAC Address, Assigned IP and Lease Time for each DHCP Client attached to the router (figure 5-2.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 45 5.6.3 Address Reservation When you specify a reserved IP address for a PC on the LAN, that PC will always receive the same IP address each time when it accesses the DHCP server . Reserved IP addresses should be assigned to ser vers that require permanent IP settings.
NB504 User Guide YML864Rev1 46 www .netcomm.com.au T o Reser ve IP addresses: 1. Click the Add New button . (Pop-up figure 5-23) 2. Enter the MAC address (The format f or the MAC Address is XX-XX-XX-XX-XX-XX.) and IP address in dotted-decimal notation of the computer you wish to add.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 47 5.7 Forwar ding Figure 5-24 The Forwarding menu There are four submenus under the Forwarding menu (shown in figure 5-24): Virtual Servers, P ort T riggering, DMZ and UPnP . Click any of them, and you will be able to configure the corresponding function.
NB504 User Guide YML864Rev1 48 www .netcomm.com.au T o setup a virtual ser ver entr y: 1. Click the Add New button. (pop-up figure 5-26) 2. Select the ser vice you want to use from the Common Service Port list.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 49 5.7.2 Port T riggering Some applications require multiple connections, like Internet games, video conferencing, Internet calling and so on. These applications cannot work with a pure NA T router .
NB504 User Guide YML864Rev1 50 www .netcomm.com.au T o add a new rule, enter the following data on the Port T riggering screen. 1. Click the Add New button. (pop-up figure 5-28) 2. Enter a port number used by the applica tion when it generates an outgoing request.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 51 5.7.3 DMZ The DMZ host feature allows one local host to be exposed to the Internet for a special-purpose service such as Internet gaming or videoconferencing. DMZ host forwards all the ports at the same time.
NB504 User Guide YML864Rev1 52 www .netcomm.com.au 5.7.4 UPnP The Universal Plug and Play (UPnP) feature allows the devices, such as Internet computers, to access the local host resources or devices as needed. UPnP devices can be automatically discovered by the UPnP service application on the LAN.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 53 5.8 Security Figure 5-31 The Security menu There are six submenus under the Security menu (shown in figure 5-31): Firewall, IP Address Filtering, Domain Filtering, MAC Filtering, Remote Mana gement and Advanced Security .
NB504 User Guide YML864Rev1 54 www .netcomm.com.au 5.8.1 Firewall Using the Firewall page (shown in figure 5-32), you can turn the general firewall switch on or off.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 55 5.8.2 IP Address Filtering The IP address Filtering feature allows you to control Internet Access by specific users on your LAN based on their IP addresses.
NB504 User Guide YML864Rev1 56 www .netcomm.com.au 7. P ass - S ele ct e ith er Al low or De ny t hr ou gh th e rou te r . 8. St atus - Sel ec t E na bl ed or D isa bl ed fo r th is en try on t he St at us p ul l-d ow n lis t. 9. Cl ick t he Sav e b utt on to s av e thi s en try .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 57 5.8.3 Domain Filtering The Domain Filtering page (shown in figure 5-35) allows you to control access to certain websites on the Internet by specifying their domains or key words.
NB504 User Guide YML864Rev1 58 www .netcomm.com.au T o modify or delete an existing entr y: 1. Click the Modify in the entr y you want to modify . If you want to delete the entry , click the Delete . 2. Modify the information. 3. Click the Sa ve button.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 59 5.8.4 MAC Filtering Like the IP Address Filtering page, the MAC Address Filtering page (shown in figure 5-37) allows you to control access to the Internet by users on your local network based on their MAC Address.
NB504 User Guide YML864Rev1 60 www .netcomm.com.au Click the Disabled All button to make all entries disabled. Click the Delete All button to delete all entries Click the Next button to go to the next page and click the Previous button to return to the previous page.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 61 5.8.5 Remote Management Y ou can configure the Remote Management function on this page shown in figure 5-39. This feature allows you to manage your Router from a remote location, via the Internet.
NB504 User Guide YML864Rev1 62 www .netcomm.com.au 5.8.6 Advanced Security Using Advanced Security page (shown in figure 5-40), you can protect the router from being attacked by TCP- SYN Flood, UDP Flood and ICMP-Flood from LAN. Figure 5-40 Advanced Security settings • Packets Statistic interval (5 ~ 60) - The default value is 10.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 63 • Forbid Ping Packet from LAN Port - Enable or Disable forbidding Ping Packet to access the router from the LAN port. The default value is disabled. If enabled, the ping packet from the LAN port cannot access the router .
NB504 User Guide YML864Rev1 64 www .netcomm.com.au 5.9 IP & MAC Binding Setting Figure 5 4- the IP & MAC Binding menu There are two submenus under the IP &MAC Binding menu (shown in Figure 5-42): Binding Setting and ARP List. Click any of them, and you will be able to scan or configure the corresponding function.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 65 T o add IP & MAC Binding entries: 1. Click the Add New .. button. 2. Enter the MAC Address and IP Address. 3. Select the Bind checkbox. 4. Click the Save button to save it. T o modify or delete an existing entr y: 1.
NB504 User Guide YML864Rev1 66 www .netcomm.com.au 5.9.2 ARP List T o mana ge the computer , you could observe the computers in the LAN by checking the relationship of MAC address and IP address on the ARP list, and you could configure the items on the ARP list also.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 67 5.10 Static Routing A static route is a pre-determined path that network information must travel to reach a specific host or network. T o add or delete a route, work in the area under the Static Routing page (shown in figure 5-47).
NB504 User Guide YML864Rev1 68 www .netcomm.com.au 5.11 Dynamic DDNS The router offers a Dynamic Domain Name System (DDNS) feature. DDNS lets you assign a fixed host and domain name to a dynamic Internet IP Address. It is useful when you are hosting your own website, FTP server , or other server behind the router .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 69 5.11.2 Oray .net DDNS If your selected dynamic DNS Service Provider is www.oray .net, the page will a ppear as shown in figure 5-50: Figure 5-50 Oray.net DDNS Settings T o set up f or DDNS, follow these instructions: 1.
NB504 User Guide YML864Rev1 70 www .netcomm.com.au 5.11.3 Comexe .cn DDNS If your selected dynamic DNS Service Provider is www.comexe.cn, the page will appear as shown in figure 5-51: Figure 5-51 Comexe.cn DDNS Settings T o set up f or DDNS, follow these instructions: 1.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 71 5.12 System T ools Figure 5-52 The System Tools menu There are eight submenus under the System T ools menu (shown in figure 5-52): Time, Firmware, Factory Defaults, Backup and Restore, Reboot, Password, Log and Statistics.
NB504 User Guide YML864Rev1 72 www .netcomm.com.au 5.12.1 Time Y ou can set time manually or get GMT from the Internet for the router on this page (shown in figure 5-53): Figure 5-53 Time settings • Time Zone - Select your local time zone from this pull down list.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 73 5.12.2 Firmware The page (shown in figure 5-54) allows you to upgrade the latest version firmware to keep your router up-to- date. Figure 5-54 Firmware Upgrade New firmware is posted at www .
NB504 User Guide YML864Rev1 74 www .netcomm.com.au 5.12.3 Factory Defaults This page (shown in figure 5-55) allows you to restore the factory default settings for the router . Figure 5-55 Restore Factory Default Click the Restore button to reset all configuration settings to their default values.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 75 5.12.5 Reboot This page (shown in figure 5-57) allows you to reboot the router . Figure 5-57 Reboot the router Click the Reboot button to reboot the router . Some settings of the router will take effect only after rebooting, which include: • Change LAN IP Address.
NB504 User Guide YML864Rev1 76 www .netcomm.com.au 5.12.7 Log This page (shown in figure 5-59) allows you to query the logs of the router . Figure 5-59 System Log The router can keep logs of all traffic. Y ou can quer y the logs to find what happened to the router .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 77 5.12.8 Statistics The Statistics page (shown in figure 5-60) displays the network traffic of each PC in LAN, including total traffic and traffic of the last Packets Statistic interval seconds.
NB504 User Guide YML864Rev1 78 www .netcomm.com.au APPENDIX A: F AQ 1. How do I configur e the router to access Internet by ADSL users? 1) First, configure the ADSL modem configured in RFC1483 bridge model. 2) Connect the Ethernet cable from your ADSL modem to the WAN port on the router .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 79 2. How do I configur e the router to access Internet by Ethernet users? 1) Login to the router , click the “Network” menu on the left of your browser , and click “WAN” submenu.
NB504 User Guide YML864Rev1 80 www .netcomm.com.au 3. I w ant to use Netmeeting, what do I need to do? 1) If you start Netmeeting as a sponsor , you don’t need to do anything with the router . 2) If you star t a s a resp ons or , you ne ed c onfig ure Virtua l Se rver or D MZ H ost .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 81 Figure A-7 Remote Management Note: If the above configuration takes effect, to configure to the router by typing http://192.168.1.1:88 (the router’ s LAN IP address: Web Management Port) in the address field of the web browser .
NB504 User Guide YML864Rev1 82 www .netcomm.com.au 5. The wireless stations cannot connect to the router . 1) Make sure the “Wireless Router Radio” is enabled. 2) Make sure that the wireless stations’ SSID accord with the router’ s SSID. 3) Make sure the wireless stations have right KEY for encr yption when the router is encrypted.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 83 APPENDIX B: CONFIGURING THE PC In this section, we’ll introduce how to install and configure the TCP/IP correctly in Windows 95/98. First make sure your Ethernet Adapter is working, refer to the adapter’ s manual if needed.
NB504 User Guide YML864Rev1 84 www .netcomm.com.au 2. Configure TCP/IP for your computer 1) On the Windows taskbar , click the Start button, point to Settings, and then click Control Panel. 2) Double-click the Network icon, highlight the bound TCP/IP tab in the appearing Network window that appears.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 85 Figure B-5 Gateway tab c. Choose Disa ble DNS on the DNS configuration tab, as shown in the following figure: Figure B-6 DNS Configuration tab • Setting IP address manually a. Select Specify an IP address on IP Address tab, as shown in the following figure.
NB504 User Guide YML864Rev1 86 www .netcomm.com.au Figure B-7 IP Address tab b. T ype the router’ s LAN IP address (the default IP is 192.168.1.1) into the New gateway field on the Gateway tab, and click on the Add button, as shown in the figure: Figure B-8 Gateway tab c.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 87 Figure B-9 DNS Configuration tab • The configuration is now finished and will take effect after rebooting.
NB504 User Guide YML864Rev1 88 www .netcomm.com.au APPENDIX C: SPECIFICA TIONS General Standards IEEE 802.3, 802.3u, 802.11b and 802.11g Protocols TCP/IP , PPPoE, DHCP , ICMP , NA T , SNTP Ports One 1.
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 89 APPENDIX D: GLOSSARY • 802.11b - The 802.11b standard specifies a wireless networking a t 11 Mbps using direct-sequence spread-spectrum (DSSS) technology and operating in the unlicensed radio spectrum at 2.
NB504 User Guide YML864Rev1 90 www .netcomm.com.au APPENDIX E: LEGAL & REGULA T ORY INFORMA TION This manual is copyright. Apart from any fair dealing for the purposes of private study, research, .
YML864 Rev1 NB504 User Guide NB504 User Guide www .netcomm.com.au 91 Product Warr anty The warranty is granted on the following conditions: 1. This warranty extends to the original purchaser (you) and is not transferable; 2.
NB504 User Guide YML864Rev1 92 www .netcomm.com.au Product Warranty NetComm products have a standard 12 months warranty from date of purchase. However some products have an extended warranty option, via registering your product online at the NetComm website www .
An important point after buying a device NetComm NB504 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought NetComm NB504 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data NetComm NB504 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, NetComm NB504 you will learn all the available features of the product, as well as information on its operation. The information that you get NetComm NB504 will certainly help you make a decision on the purchase.
If you already are a holder of NetComm NB504, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime NetComm NB504.
However, one of the most important roles played by the user manual is to help in solving problems with NetComm NB504. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device NetComm NB504 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
