Manuale d’uso / di manutenzione del prodotto Wireless Broadband Router none del fabbricante Gateway
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Wireless Broadband Router User's Guide V ersion: 1.0 Aug. 2001.
Copyright Statement No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, whether electronic, mechanical, photocopying, recording or oth- erwise without the prior writing of the publisher .
T ABLE OF C ONTENTS 1 Introduction 1.1 About the Gateway ...................................................... 1.2 Features and Benefits. ................................................. 1.3 Applications .............................................
4.3.1 Change Password....................................................... 4.3.2 Set T ime Zone............................................................ 4.3.3 LAN Gateway and DHCP Settings............................ 4.3.4 W AN Configuration.....
APPENDICES: A. T roubleshooting ............................................................ B. Cables ............................................................................. Ethernet Cable........................................................
1-1 CHAPTER 1 Thank you for purchasing our product, and we are proud to pro- vide you with this powerful yet simple communication device for connecting your local area network (wired or wireless LAN) to the Internet.
1-2 CHAPTER 1 1.1About the Gateway The Gateway provides Internet access to multiple users by sharing a single-user account. The Gateway's most outstand- ing features include wireless LAN connectivity , as well as the dual-port W AN interface which allows you to connect to an xDSL or Cable modem, ISDN T A or PSTN analog modem.
1-3 CHAPTER 1 1.2Featur es and Benefits z Internet access via - 10 Mbps W AN port connection to xDSL/Cable modem, or RS232 console port connection to ISDN/PSTN modem z Local Network Connection via - z.
1-4 CHAPTER 1 1.3Applications Many advanced applications are pr ovided by the Gateway , such as: z Flexible LAN Access The Gateway provides connectivity to 10/100 Mbps wired devices as well as 1 1 Mbps wireless mobile users.
1-5 CHAPTER 1 service (or port number), the Gateway can route the request to the appropriate server (at another internal IP address). This secures your network from direct attack by hackers, and provides more flexible management by allowing you to change internal IP addresses without affecting outside access to your network.
1-6 CHAPTER 1 VPN protocols - PPTP , L2TP and IPSec. These protocols allow remote users to establish a secure connection to their corporate network. If your service provider supports VPNs, then any of these protocols can be used to create an authenticated and encrypted tunnel for passing secure data over the Internet (i.
2-1 CHAPTER 2 Before installing the Gateway W ireless Broadband Router , verify that you have all the items listed under the "Kit Contents." If any of the items are missing or damaged, please contact your local distributor . Also be sure that you have all the necessary cabling before installing the Gateway .
2-2 CHAPTER 2 2.1 Kit Contents After unpacking the Gateway Broadband Router , check the contents of the box and make sure you have received the following components: z Gateway 4-port W ireless Broadband Router z Power adapter (5V , 2.
2-3 CHAPTER 2 2.2 Description of Hardwar e The main functions of the Gateway can be divided into three categories: 1.Connects to the Internet or to a remote site by using its RJ-45 W AN port or RS232 serial port. 2.Directly connects to your PC or to a local area network by using any of the three Fast Ethernet LAN ports or through the IEEE802.
2-4 CHAPTER 2 port, one parallel printer port, as well as two antennas on the rear panel. z Three RJ-45 ports for connection to a 10BASE- T/100BASE-TX Ethernet Local Area Network (LAN). These ports can auto-negotiate the operating speed to 10/100 Mbps, the mode to half/full duplex, and the pin signals to MDI/MDI-X (i.
2-5 CHAPTER 2.
2-6 CHAPTER 2 2.3 System Requirements Y ou must have access to an ISP that meets the following minimum requirements: z Internet access from your local telephone company or Internet Service Provider (ISP) using an xDSL modem, Cable modem, ISDN T A, or PSTN analog modem.
2-7 CHAPTER 2 2.4 Connect the System The Gateway can be positioned at any convenient location in your of fice or home. No special wiring or cooling requirements are needed. Y ou should, however , comply with the following guidelines: z Keep the Gateway away from any heating devices.
2-8 CHAPTER 2 2.4.1 Basic Installation Pr ocedur e z Connect the LAN: Y ou can connect the Gateway to your PC, a hub, or a switch. Run the Ethernet cable from one of the LAN ports on the rear of the Gateway to your comput- er's network adapter or to another network device.
2-9 CHAPTER 2 2.4.2 Attach to Y our Network Using Ethernet Cabling The three LAN ports on the Gateway can auto-negotiate the connection speed to 10 Mbps Ethernet or 100 Mbps Fast Ethernet, as well as the transmission mode to half duplex or full duplex.
2-10 CHAPTER 2 Notes: 1.Use 100-ohm shielded or unshielded twisted-pair cable with RJ-45 connectors for all connections. Use Category 3, 4 or 5 for connections that operate at 10 Mbps, and Category 5 for connections that operate at 100 Mbps. 2.Make sure each twisted-pair cable does not exceed 100 meters (328 feet).
2-11 CHAPTER 2 2.4.3 Attach to Y our Network Using Radio Signals Install a wireless network adapter in each computer that will be connected to the Internet or your local network via radio signals. Rotate both antennas on the back of the Gateway to the desired position.
2-12 CHAPTER 2 shown in the following figure: Figure 2-4 Making WLAN Connections.
2-13 CHAPTER 2 2.4.4 Attach the Gateway to the Internet If Internet services are provided through an xDSL or Cable modem, use unshielded or shielded twisted-pair Ethernet cable (Category 3 or greater) with RJ-45 plugs to connect the broadband modem directly to the W AN port on the Gateway .
2-14 CHAPTER 2 2.4.5 Connect the Gateway to a Printer If you connect a printer to the Gateway , all the computer users connected to your LAN can have access to the printer . Connect a standard parallel printer cable to the Printer port on the Gateway , and configure the printer server as described in Section 5.
2-15 CHAPTER 2 2.4.7 V erify Port Status Check the power and port indicators as shown in the follow- ing table..
3-1 CHAPTER 3 C HAPTER 3 CONFIGURING CLIENT TCP/IP T o access the Internet through the Gateway Broadband Router , you must configure the network settings of the computers on your LAN to use the same IP subnet as that defined for the Gateway . The default network settings for the Gateway are: IP Address: 192.
3-2 CHAPTER 3 If you have not previously installed the TCP/IP protocol on your client PCs, refer to the following section. For information on how to configure a TCP/IP address on a PC, refer to Section 3.2 "Setting TCP/IP to W ork with the Gateway".
3-3 CHAPTER 3 5.Select the Microsoft item in the manufacturers list. And choose TCP/IP in the Network Protocols. Click the OK button to return to the Network window . 3.1 Installing TCP/IP Pr otocol in Y our PC 1.Click the Start button and choose Settings, then click Control Panel.
3-4 CHAPTER 3 6.The TCP/IP protocol will be listed in the Network win- dow . Click OK to complete the install procedure and restart your PC to enable the TCP/IP protocol.
3-5 CHAPTER 3 3.2 Setting TCP/IP to W ork with the Gateway 1.Click the Start button and choose Settings, then click Control Panel. 2.Double click the Network icon. Select the TCP/IP line that has been assigned to your network card in the Configuration tab of the Network window .
3-6 CHAPTER 3 3.2.1 Dynamic IP Allocation via a DHCP Server Select Obtain an IP address automatically in the IP Address tab. Do not input any values under the Gateway tab, and choose Disable DNS in the DNS Configuration tab. The DHCP server will automatically configure these settings.
3-7 CHAPTER 3 3.2.2 Manual IP Configuration 1.Select Specify an IP address in the IP Address tab. Select an IP address based on the default network 192.168.2.X (where X is between 1 and 254), and use 255.255.255.0 for the subnet mask. 2.In the Gateway tab, add the IP address of the Gateway (default: 192.
3-8 CHAPTER 3 4.After finishing TCP/IP setup, click OK, and then reboot the computer . After that, set up other PCs on the LAN according to the procedures described above.
3-9 CHAPTER 3 3.2.3 V erifying Y our TCP/IP Connection After installing the TCP/IP communication protocol and configuring an IP address in the same network with the Gateway , you can use the Ping command to check if your computer is successfully connected to the Gateway .
3-10 CHAPTER 3 2.Is TCP/IP properly configured on your computer? If the IP address of the Gateway is 192.168.2.1, the IP address of your PC must be from 192.
4-1 CHAPTER 4 C HAPTER 4 CONFIGURING THE GA TEW A Y After you have configured TCP/IP on a client computer , you can use a W eb browser to configure the Gateway . The Gateway can be configured by any Java-supported browser including Internet Explorer 4.
4-2 CHAPTER 4 4.1 Navigating the W eb Browser Interface The Gateway's management interface includes four key menus: Status, Help, T ools, and Setup. The Status and Help menus provide general information on the current settings and how to configure the Gateway .
4-3 CHAPTER 4 4.1.2 Making Configuration Changes Configurable parameters have a dialog box or a drop-down list. Once a configuration change has been made on a page, be sure to click the "Enter" button at the bottom of the page to confirm the new setting.
4-4 CHAPTER 4 4.2 Main Menu Using the web management interface, you can define sys- tem parameters, manage and control the Gateway and its ports, or monitor network conditions. The following table briefly describes the selections available from this program.
4-5 CHAPTER 4.
4-6 CHAPTER 4 4.3 Networking and Client Services Use the Setup menu to configure the LAN interface (includ- ing TCP/IP parameters for the Gateway's gateway address, DHCP address pool for dynamic client address allocation), the W AN connection options, DNS domain name mapping, the wireless interface, and other advanced services.
4-7 CHAPTER 4 4.3.1 Change Password Use this menu to restrict management access based on a specific password. Anyone can access the Status and Help menus, but you must enter the user name "Admin" and a password to access the configuration options provided by the Setup and T ools menus.
4-8 CHAPTER 4 4.3.2 Set Time Zone Set the time zone for the Gateway . This information is used for log entries and client filtering..
4-9 CHAPTER 4 Configure the gateway address of the Gateway . T o dynami- cally assign the IP address for client PCs, enable the DHCP Server , set the lease time, and then specify the address range. Also remember to configure all of your client PCs for dynamic address allocation.
4-10 CHAPTER 4 4.3.4 W AN Configuration Specify the W AN connection type required by your Internet Service Provider , then click "More Configuration" to pro- vide detail configuration parameters for the selected connec- tion type. Specify one of the first three options to configure a W AN connection through the RJ-45 port (i.
4-11 CHAPTER 4 4.3.4.1 Dynamic IP Addr ess - DHCP The Host Name is optional, but may be required by some ISPs. The default MAC address is set to the W AN's physical interface on the Gateway . Use this address when registering for Internet service, and do not change it unless required by your ISP .
4-12 CHAPTER 4 4.3.4.2 Static IP Addr ess - Fixed IP If your Internet Service Provider has assigned a fixed address, enter the assigned address and subnet mask for the Gateway , then enter the gateway address of your ISP . Note: Y ou may need a fixed address if you want to provide Internet services, such as a W eb server or FTP server .
4-13 CHAPTER 4 4.3.4.3 PPP over Ethernet - PPPoE Enter the PPPoE user name and password assigned by your ISP . The Service Name is normally optional, but may be required by some providers.
4-14 CHAPTER 4 4.3.4.4 Dial-up on Demand - Modem If you are accessing the Internet via an ISDN T A or PSTN modem attached to the serial port on the Gateway , then you must specify your account informa.
4-15 CHAPTER 4 Dial-Up Service Phone Number - Enter the phone number your service provider has given to you for Internet access. Dial-Up Account Information - Enter your ISP account user name and password.
4-16 CHAPTER 4 4.3.5 DNS Configuration Domain Name Servers are used to map an IP address to the equivalent domain name (e.g., www .abc.com). Y our ISP should provide the IP address for one or more domain name servers. Enter those addresses on this screen.
4-17 CHAPTER 4 4.3.6 Wir eless Configuration T o configure the Gateway as a wireless access point for wireless clients (either stationary or roaming), all you need to do is define the radio channel, the domain identifier , and encryption options.
4-18 CHAPTER 4 4.3.6.1 Channel and SSID Y ou must specify a common radio channel and service domain (i.e., Extended Service Set ID) to be used by the Gateway and all of your wireless clients. Be sure you con- figure all of your clients to the same values.
4.3.6.2 Encryption If you are transmitting sensitive data across wireless chan- nels, you should enable encryption. Encryption requires you to use the same set of encryption/decryption keys for the Gateway and all of your wireless clients.
4-20 CHAPTER 4 If you use encryption, then configure the same keys used for the Gateway on each of your wireless clients. Note that the W ired Equivalent Privacy (WEP) protects data transmitted between wireless nodes, but does not protect any transmis- sions over your wired network or over the Internet.
4-21 CHAPTER 4 4.3.7 Configuring Client Services The Gateway includes a broad range of client services, including firewall protection, network address translation, virtual server , connection support for special applications, and restricted Internet access for specified clients.
4-22 CHAPTER 4 4.3.7.1 Firewall Pr otection The Gateway's firewall can block common hacker attacks, including IP Spoofing, Land Attack, Ping of Death, IP with zero length, Smurf Attack, UDP port loopback, Snork Attack, TCP null scan, and TCP SYN flooding.
4-23 CHAPTER 4 4.3.7.2 Network Address T ranslation - NA T Network Address T ranslation can be used to give multiple users access to the Internet with a single user account, or to map the local address for an IP server (such as W eb or FTP) to a public address.
4-24 CHAPTER 4 The W AN interface must have a fixed IP address to utilize this function. For example, if you set T ype/Public Port to TCP/80 (HTTP or W eb) and the Private IP/Port to 192.168.2.2/80, then all.NETWORKING AND CLIENT SER VICES 4-18 HTTP request from outside users will be transferred to 192.
4-25 CHAPTER 4 4.3.7.3 V irtual Server If you configure the Gateway as a virtual server , remote users accessing services such as W eb or FTP at your local site via public IP addresses can be automatically redirected to local servers configured with private IP addresses.
4-26 CHAPTER 4 4.3.7.4 Enabling Special Applications Some applications require multiple connections, such as Internet gaming, videoconferencing, Internet telephony and others. These applications may not work when Network Address T ranslation (NA T) is enabled.
4-27 CHAPTER 4 Specify the port normally associated with an application in the "T rigger Port" field, select the protocol type as TCP or UDP , and then enter the public ports associated with the trigger port to open them for inbound traffic.
4-28 CHAPTER 4 4.3.7.5 V irtual DMZ Host If you have a client PC that cannot run an Internet applica- tion properly from behind the NA T firewall or after config- uring the Special Applications function, then you can open the client up to unrestricted two-way Internet access.
4-29 CHAPTER 4 4.3.7.6 Remote Management By default, management access is only available to users on your local network. However , you can also manage the Gateway from a remote host by adding the IP address of an administrator to this screen. Note :If you specify an IP address of 0.
4-30 CHAPTER 4 4.3.7.7 Client Filtering Y ou can filter Internet access for local clients based on IP address, application type (i.e., HTTP port), and time of day . For example, this screen shows that clients in the address range 192.168.2.50-99 are permanently restricted from using FTP (Port 21), while clients in the address range 192.
4-31 CHAPTER 4 4.4 V iewing Network and Device Status Y ou can use the following screen to display the connection status for the W AN/WLAN/LAN interfaces, firmware and hardware version numbers, any illegal attempts to access your network, as well as information on all DHCP clients connected to your network.
4-32 CHAPTER 4 4.5 Using System T ools Y ou can use the "T ools" menu to reboot the Gateway , restore factory settings, or update firmware. Note: If you use the Reset button on the front panel, the Gateway performs a power reset and restores the fac- tory settings.
5-1 CHAPTER 5 If you need to provide print services for devices attached to the Gateway , then install the Port Monitor program from the Gateway CD (for W indows 95/98/NT), and configure the Gateway's print server on each network station. The Gateway printer server supports W indows 95/98/ME/NT/2000, Unix and MAC OS v8.
5-2 CHAPTER 5 5.1 Install the Printer Port Monitor Skip this section if you are using W indows ME/2000 or Unix. For W indows 95/98/NT clients, you need to install the port monitor program as described in this section. 1.Insert the installation CD-ROM into your CD-ROM drive.
5-3 CHAPTER 5 2.Select the destination folder and click on the Next button. The setup program will then begin to install the programs into the destination folder .
5-4 CHAPTER 5 3.Select the Program Folder that will contain the program icon for uninstalling the port monitor , and then click Next..
4.Enter the printer port name that will be used to identify the port monitor in your system, and press Next. 5.When the setup program finishes installing the port moni- tor , select the item to restart your computer and then click OK.
5-6 CHAPTER 5 6.After rebooting your computer , add the Gateway print server to your system as described in the following sec- tion..
5.2 Configure the Print Server The Gateway's print server supports Microsoft W indows 95/98/ME/NT/2000, Unix based platforms, and MAC OS v8.5.1 and above. If you are using W indows 95/98/NT , first install the port monitor as described in the previous section before adding the Gateway's print server to your operating system.
5-8 CHAPTER 5 2.Follow the prompts to add a Local printer to your system. 3.Specify the printer type attached to the Gateway . 4.Select the monitored port-the default port name is "Gateway" and then click the Configure Port button.
5.Enter the IP address of the Gateway and click OK, and then click Next in the Add Printer W izard dialog box. 6.Continue following the prompts to finish installing the Gateway print server . The printer type you specified will now be added to your Printers menu.
5-10 CHAPTER 5 5.2.2 Configure the Network Printer in W indows NT 1.On a W indows NT platform, open the Printers window in the My Computer menu, and double-click the Add Printer icon.
2.Select the monitored port. The default port name is "Gateway ." Then click the Configure Port button. 3.Enter the IP address of the Gateway and click OK, and then click Next in the Add Printer W izard dialog box.
5-12 CHAPTER 5 4.Specify the printer type attached to the Gateway . 5.Continue following the prompts to finish installing the Gateway print server . The printer type you specified will now be added to your Printers menu.
5.2.3 Configure the Network Printer in W indows 2000 1.On a W indows 2000 platform, open the Printers window in the My Computer menu, and double-click the Add Printer icon.
5-14 CHAPTER 5 3.Select the option Connect to a printer on the Internet or on your intranet, enter the IP address of the Gateway in the URL field, and then click Next.
4.Pick the option Create a new port and select the type Standard TCP/IP Port. 5.Click Next 5-15 CHAPTER 5.
5-16 CHAPTER 5 6.Enter the Printer Name or IP Address-please note that it must be 192.168.2.1. The Port name will be generated automatically and synchronously according to the input Printer Name or IP Address.
7.Pick the Standard Device T ype, select the Generic Network Casrd, and then click Next. 8.Specify the printer type attached to the Gateway . 5-17 CHAPTER 5.
5-18 CHAPTER 5 9.Click Finish to complete the "Add Standard TCP/IP Printer Port W izard"..
10.T ype a name for this printer , or use the name supplied below-your W indows-based programs will use it as the default printer . When you have finished naming this printer , click Next. 1 1.Follow the wizard to set if you would share the printer and print a test page.
5-20 CHAPTER 5 12.T o enter the Properties windows of the printer connected to the Gateway , double click on the My Computer icon first, then double click on the Printers icon, and then right click on the target printer and select Properties from the menu.
13.Pick the Ports tab first. Select the Standard TCP/IP Port and then click the Configure Port button. 5-21 CHAPTER 5.
5-22 CHAPTER 5 14. Enter the Queue Name as lpt1, and then click OK. 15.Continue following the prompts to finish installing the printer . The specified printer type will be added to your Printers menu.
5.2.4 Configure the Network Printer in W indows ME 1.On a W indows ME platform, open the Printers window in the My Computer menu, and double-click the Add Printer icon.
5-24 CHAPTER 5 3.Specify the printer type attached to the Gateway . 4.Select "Gateway: Gateway PTR Port", and then click on Configure Port..
5.Enter the IP address of the Gateway and click OK, and then click Next in the Add Printer W izard dialog box. 5-25 CHAPTER 5.
5-26 CHAPTER 5 6.Click Next after configuring the Port..
7.T ype a name for this printer , or use the name supplied below-your W indows-based programs will use it as the default printer . When you have finished naming this print- er , click Next. 8.Continue following the prompts to finish installing the printer .
5-28 CHAPTER 5 5.2.5 Configure the Network Printer in Unix Systems Follow the traditional configuration procedure on Unix plat- forms to set up the Gateway print server .
A-1 APPENDIX A PPENDIX A TROUBLESHOOTING This appendix describes common problems you may encounter and possible solutions. The Gateway can be easi- ly monitored through panel indicators to identify problems. If you cannot resolve any connection problems after check- ing the indicators, then refer to the other sections in the fol- lowing table.
A-2 APPENDIX.
A-3 APPENDIX.
B-1 APPENDIX A PPENDIX B CABLES Ethernet Cable Straight-thr ough Cable Caution: DO NOT plug a phone jack connector into any RJ- 45 port. Use only twisted-pair cables with RJ-45 connectors that conform to FCC standards. For 10BASE-T/100BASE-TX connections, a twisted-pair cable must have two pairs of wires.
B-2 APPENDIX RJ-45 Port Pin Assignments All RJ-45 ports on the Gateway support automatic MDI/MDI-X configuration. This means that the pin signals in use will depend on whether the port is operating in MDI or MDI-X mode. Figure B-1 illustrates how the pins on the RJ-45 connector are numbered.
B-3 APPENDIX Serial Port Pin Assignments The DB-9 serial port on the rear panel is used to connect the Gateway to an ISDN T A or PSTN modem. The pin assign- ments used to connect to this port are provided in the fol- lowing tables.
B-4 APPENDIX.
B-5 APPENDIX.
B-6 APPENDIX Printer Port Pin Assignments The DB-25 parallel port on the Gateway's rear panel is used to connect the Gateway to a printer . When a printer is attached to this port, any PCs attached to the Gateway's LAN ports can pass files to the printer .
B-7 APPENDIX.
C-1 APPENDIX W AN Interface 10BASE-T , 1 RJ-45 port Serial, 1 RS232 DB-9 connector LAN Interface 10BASE-T/100BASE-TX 3 RJ-45 ports WLAN Interface Standard: IEEE 802.1 1b, Direct Sequence Spread Spectrum (DSSS) T ransmission Rate: 1 1 Mbps, with automatic fallback to 5.
C-2 APPENDIX Printer Interface Parallel 1 DB-25 printer port Management W eb management Advanced Features Dynamic IP Address Configuration - DHCP , DNS Firewall - Client privileges, hacker prevention .
C-3 APPENDIX W eight 2.26 lbs (1.023 kg) Input Power 5V DC (2.0A) Maximum Current 0.40A RMS max.@1 10V , 0.87A RMS max.@240V Power Consumption 10 W atts max.
C-4 APPENDIX Compliances CE Mark Emissions FCC Class B VCCI Class B Industry Canada Class B EN55022 (CISPR 22) Class B C-T ick - AS/NZS 3548 (1995) Class B ETS 300 328 MPT RCR STD-33 Immunity IEC 1000-4-2/3/4/6 Safety UL 1950 EN60950 (TUV) CSA 22.2 No.
C-5 APPENDIX Compliance FCC - Class B This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reason- able protection against harmful interference in a residential installation.
C-6 APPENDIX EC Conformance Declaration - Class B This information technology equipment complies with the requirements of the Low V oltage Directive 73/23/EEC and the EMC Directive 89/336/EEC, and carries the CE Mark accordingly .
C-7 APPENDIX Safety Compliance Underwriters Laboratories Compliance Statement Important! Before making connections, make sure you have the correct cord set.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Gateway Wireless Broadband Router none è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Gateway Wireless Broadband Router none - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Gateway Wireless Broadband Router none imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Gateway Wireless Broadband Router none ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Gateway Wireless Broadband Router none, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Gateway Wireless Broadband Router none.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Gateway Wireless Broadband Router none. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Gateway Wireless Broadband Router none insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
