Manuale d’uso / di manutenzione del prodotto TD-W8910GB del fabbricante TP-Link
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TD-W8910GB 54M Wireless ADSL2+ Router Rev: 1.1.1 1910010013.
I COPYRIGHT & TRADEMARKS Specifications are subject to change without notice. is a registered trademark of TP-LINK TECHNOLOGIES CO., LTD. Other brands and product names are trade marks or registered trademarks of t heir respective holders.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide II FCC ST A TEMENT This equipment has been tested and found to comply wi th the limits for a Class B digital device, pursuant to part 15 of the FCC Ru les. These limits are designed to pr ovide reasonable protectio n against harmful interference in a residential installation.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide III National Restrictions 2400.0-2483.5 MHz Country Restriction Reason/remark Bulgaria General authorization r equire d for outdoor use and public service France Outdoor use limited to 10 mW e.i.r.p. w ithin the b and 2454-2483.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide IV Package Contents The following items should be found in your package: ¾ One TD-W8910GB 54M Wireless ADSL2+ Router ¾ One DC power Adapter for TD-W8.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide V CONTENTS Chapter 1. Product O verview .................................................................................. 1 1.1 Overview of the Router ..................................................
TD-W8910GB 54M Wireless ADSL2+ Router User Guide VI 4.5.5 Wireless – Statistics ....................................................................................................... 62 4.6 Diagnostics ..............................................
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 1 Chapter 1. Product Overview 1.1 Overview of the Router Thank you for choosing the TD-W8910GB 54M Wireless ADSL2+ Ro uter . The Router is designed to provide a simple and cost-effective ADSL Internet connection for a private Ethernet o r 802.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 2 ¾ Adopts Advanced DMT modulati on and demodulation technology . ¾ Supports bridge mode and Router function. ¾ Multi-user sharing a high-speed Internet connection ¾ Conn ecting the internet on demand and disconnecti ng from the Internet when idle for PPPoE.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 3 Chapter 2. Hardware Installation Guide 2.1 The Front Panel The Router’s LEDs are located on the front panel. Figure 2-1 The LED indicators on the front panel include the Power , Sys tem , ADSL , WLAN and 1-4 (LAN) .
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 4 Figure 2-2 ¾ Line: Connect to the Modem Port of Splitter or to the telephone line. ¾ Reset Button: There are two ways to reset the Router's factory defaults. 1) Use the Restore Default function on Management -> settings page in the router's Web-based Utility.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 5 ¾ Operating temperature : 0 ℃ ~40 ℃ (32 ℉ ~104 ℉ ). ¾ Operating Humidity : 10% ~ 90% RH Non-congealing. 2.6 Connecting the Router Before installing the Router, please make sure y our broadband service provided by yo ur ISP is available.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 6 the service provider’s network back bone and ultimately to the Internet. 2.6.2.2. Hub or Switch to Router Connection Connect the Router to an uplin.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 7 Chapter 3. Quick Installation Guide After connecting the Router to your network, you should configure it. This chapter describes how to quickly configure the basic f unctions of your Router. These procedures only take you a few minutes.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 8 Figure 3-2 3. In the General tab of Internet Protocol (TCP/IP) Properties menu, highlight Internet Protocol (TCP/IP) under “This c onnection uses the following item s:” by clicking on it once. Click on the Properties button.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 9 Figure 3-4 ¾ Configure the IP address manually Open TCP/IP Properties of the LAN card in your PC, enter the IP address as 192.168.1.* (* is any value between 2 to 254, Subnet mask is 255.255.255.0, Gateway is 192.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 10 Figure 3-5 If the result displayed is similar to that shown in figure below, it means that your PC has not connected to the Router.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 11 3.2 Configure the Router 1. Login to Home Page To use the web-based utility, launch a suitable web browser and di rect it to the IP address of the Router. Type http://192.168.1.1 in the address bar of the browser.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 12 Figure 3-8 3. On the Connection Type screen, you can select a connec tion type (PPPoA, PPPoE, MER, IPoA or Bridging), which is provided by your ISP. We select PPPoE mode (For example), and then click “Next “to continue.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 13 Figure 3-10 5. Use the default setting of this screen click “Next” to continue. Figure 3-11 6. Use the default IP Address 192.168.1.1 and Subnet Mask 255.255.255.0. Us e the default setting of “ Enable DHCP Server ”, and click “Next” to continue.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 14 Figure 3-12 7. Use the default setting “ Enable Wireless ”. Default SSID is “TP-LI NK”, then click “Next”. Figure 3-13 8. You will see the WAN Setup-Summary screen below, click " Save/Reboot " to save these settings and reboot the Router.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 15 Figure 3-14 ) Note: The reboot process will take a wh ile to complete, please wait befo re reopening your web browser. For more details of configuri ng the Router, please refer to 1 Chapter 4 Chapter 4.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 16 Figure 4-1 There are six main menus shown on the screen, they are Device Info , Quick Setup , Advanced Setup , Wireless , Diagnostics and Management . Additional menus will be available after you click one of the main menus.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 17 Figure 4-2 ) Note: Click the other submenus under the main menu Device Info , you will be able to view the corresponding information about WAN , Statistics , Route , ARP and DHCP . 4.3 Quick Setup Please refer to the Chapter 3 to get the detailed information.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 18 Figure 4-3 ¾ W AN Port Information T able: This table describes the W AN port settings and the relevant manipulation to each interface. ¾ Remove: Select the check box in the table (shown in Figure 4-3) and then click the Remove t ab, the corresponding interfac e will be deleted in the table.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 19 Figure 4-4 1. Follow the instructions below to configure the A TM PVC on the screen (shown in Figure 4-4).
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 20 configuration will be described in 5.4.5 Quality of Service . 2. Select the Connection T ype in the next screen (shown in Figure 4-5). Figure 4-5 1) Select the Connection Type and Encapsulation Mode your ISP has instr ucted you to use, the default connecti on type is Bridging.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 21 Figure 4-4) to configure them again. 1. PPPoA If you choose connection type PPPoA on the screen above (shown in Figure 4-5), you will see the screen belo w (shown in Figure 4-6). Follow the instru ctions to configure the WAN Interface.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 22 ) Note: If you are not sure about the PPP IP extension and PPP Debug Mode , please don’t select this option. Figure 4-7 5) Enable the IGMP Multicast and WAN Service on the screen above, if you are not sure about the IGMP, just leave the default setting.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 23 The information is same as the information in Figure 4-3. 2. PPPoE If you choose PPPoE in the previous screen (shown in Figure 4-5), the configuration is similar to PPPoA , the only difference is that you should set the PPPoE Service Name on the corresponding screen.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 24 select obtain default gateway automatically , and then the Router will automatically get gateway parameters from your ISP. If you are provided with a static gateway, please select Use the following default gateway , and then enter the gateway address.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 25 Security menu will be added to the Web- based Utility. We will descri be the detailed configuration in 5.4.4 NAT and 5.4.5 Security . 5) Click the Next button, and you will s ee the next screen which displays the detailed settings you’ve made (shown in Figure 4-11).
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 26 5. Bridge If you choose Bridging in the previous screen (shown in Figure 4-5), a screen will be displayed as shown below (shown in Figure 4-12).
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 27 The information of the figure shows above is same as the information in the Figure 4-3. 4.4.2 LAN Choose “ Advanced Setup ” Æ “ LAN ”, and you will see the LAN screen (shown in Figure 4-14 ) , the section allows you to configure the Router’s LAN ports settings.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 28 ¾ DHCP Server: These settings allow you to confi gure the Router‘s Dynamic Host Configuration Protocol (DHCP) server function. The DHCP serv er is enabled by default for the Router ’s Ethernet LAN interf ace.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 29 3. Type the MAC Address(00:13:8F:A9:E6:CA for in stance) of the computer which you want to reserve an IP(192.168.1.100 for instance) for in the MAC Address text box; 4. Type the IP Address(192.168.1.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 30 Figure 4-15 If you want to specify the MAC address of TD-W8910GB as your PC’s, you can press Clone MAC Address on the screen.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 31 Figure 4-17 ¾ Virtual Server T able: The table indicates the informati on about the V irtual Server entries. Server Name: This is the name of the Virtual Server . It is ex clusive and must be filled in.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 32 Figure 4-18 2. Select the service which you want to use from the drop-down lis t. If the list does not have the service you need, type the name of the custom service in the text box. 3. Type the IP Address of the computer in the Server IP Address text box.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 33 4.4.4.2. Port Triggering Choose “ Advanced Setup ” Æ “ NAT ” Æ “ Port Triggering ”, you can set Port Triggering on the screen (shown in Figure 4-19). Some applications require that specific ports in the Router's firewall should be opened for access by remote devices.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 34 Figure 4-20 2. Select the application from the drop-down list. If the list does not have the application that you want, select the Custom application radio-button, and type t he name of the custom application in the text box.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 35 Figure 4-21 To add a new DMZ Host : You can enter the computer 's IP address and then click Save/Apply to activate the DMZ host you set on this page. ) Note: DMZ host forwards all the ports at the same ti me.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 36 Figure 4-23 4.4.5.1. IP Filtering The IP addres s filtering feature makes it possible fo r administrators to contro l user's access to the Internet, which is based on user's IP . The IP address filtering includes Outgoing and Incoming , the detailed descriptions are provided below.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 37 Figure 4-25 2. Enter the Filter name for the rule, it is excl usive and must be filled. 3. Select the protocol: TCP/UDP , TCP , UDP or ICMP in the drop-down list for the connection between the Source IP address and Destination IP address.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 38 Figure 4-26 Setup an Incoming IP Filtering rule: 1. Click the Add button (pop-up Figure 4-26), and t hen you will set the new rule in the next screen (shown in Figure 4-27). Figure 4-27 2. Enter the Filter name for the rule, it is excl usive and must be filled in.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 39 suggests that all Source IP addresses and/or Destination IP addresses are controlled by the rule, if you leave the Source Port and/or Destination Port blank, it sugges ts that all Source Ports and/or Destination Ports are controlled by the rule.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 40 Figure 4-29 2. Select Protocol Type in the drop-down list for the rule. 3. Enter Destination MAC Address and Source MAC Address in the text box. 4. Select Frame Direction in the drop-down list for the rule.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 41 1. Click the Add button (pop-up Figure 4-30), and t hen you will set the new rule in the next screen (shown in Figure 4-31). Figure 4-31 2. Enter the User Name of the LAN device c onnected to the Router.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 42 Figure 4-32 Click the Add button, and you can configure t he QoS on the next screen (shown in Figure 4-33).
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 43 After you specify the condition, click the Save/Apply button to save the entry. ) Note: A rule must be consisting of a class name and at least one condition abo ve. All of the specified conditions in this classificati on rule must be satisfied with the rule to take effect.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 44 enabled PVC(s). If the check-box is not selected, enter the static Default Gateway IP and/or a WAN Interface , you can leave the WAN Interface default.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 45 2. Enter the following data: ¾ Destination Network Address: The Destination Netw ork Address is the address of the network or host that you want to assign to a static route.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 46 4.4.8 DNS When you select the connection type PPPoE, PPPoA , MER or IPoA for WAN configuration, you will see the DNS menu in the Web-based Utility (shown in Figure 4-39). It includes DNS Server and Dynamic DNS submenus.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 47 ) Note: You have to reboot the Router to make the new configuration take effect. 4.4.8.2. Dynamic DNS Choose “ Ad vanced Set up ” Æ “ DNS ” Æ “ Dynamic DNS ”, you can see the D ynamic DNS screen, this screen allows you to confi gure the Dynamic DNS (shown in Figure 4-41).
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 48 Figure 4-42 ) Note: This page allows you to add a Dynamic DNS address from DynDNS.org,TZO or No-IP . 2. Select D-DNS provider (DynDNS.org,TZO or No-IP) in the drop-down list. 3. Enter the Hostname of the DNS Server, and select the corresponding Interface for the DDNS, you can leave it default.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 49 Figure 4-43 You can select the modulation type, phone line pair and the capabilit y of Bitswap or SRA.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 50 Click the Add/Edit button, and then you can configure the Port Mapping in the next screen (shown in Figure 4-45).
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 51 4.5 Wireless LAN Configuration The menus used to configure Wirele ss LAN settings available in t he Wireless directory including Basic, Security, MAC Filter, Ad vanced, and Statistics menus. The Wireless Basic, Security, MAC Filter, Advanced, and Statis tics are described below.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 52 4.5.2 Wireless – Security Choose “ Wireless ” Æ ” Security ”, you will see the screen of Wireless-Security settings shown as below. Figure 4-47 This page allows you to configure security features of the wirele ss LAN interface.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 53 Figure 4-48 ¾ Encryption strength: Select the appropriate level of enc ryption, 64-bit, 128-bit or 152-bit. ¾ Current Netw ork Key: To indicate which WEP key to use, select a transmission key number.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 54 encryption keys, enter 13 ASCII characte rs or 26 hexadecimal digits for 128-bit encryption keys, enter 16 ASCII characte rs or 32 hexadecimal digits for 152-bit encryption keys. 4. Click the Save/Apply button to save the new configuration.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 55 Figure 4-50 ¾ WPA Group ReKey Interval: Enter the Key Renewal period, wh ich tells the Router how often it should change encryption keys. ¾ RADIUS Server IP Address: The IP address of the RADIUS server.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 56 Figure 4-51 4.5.2.3. WPA-PSK WPA-PSK requires a shared key and does not use a separate server for aut hentication. PSK keys can be ASCII or Hex type. Figure 4-52 ¾ WPA Pre-Shared Key: Enter the key shared by the Router and your other network devices.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 57 ASCII or Hex type. 3. Change the Group Ke y Interval as desired or use the default setting. 4. Click the Save/Apply button to save the new configuration. Figure 4-53 ) Note: If you click the option “ Click here to display ”, the Figure 4-54 will pop-up, and it shows the password you have set.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 58 Figure 4-55 4.5.2.5. WPA2-PSK To configure WPA2-PSK settings, select the WPA2-PSK option from the drop-down list. The menu will change to offer the appropriate settings . WPA2-PSK requires a shared key and does not use a separate server for authentication.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 59 Figure 4-57 4.5.2.7. Mixed WPA2/WPA-PSK To configure Mixed WPA2/WPA-PSK settings, select the Mixed WPA2/WPA-PSK option from the drop-down list. The menu will change to offer the appropriate settings.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 60 Figure 4-59 Wireless access can be filtered by using the MAC addresses of the wireless devices transmitting within your network’s RADIUS. To filter wire less users by MAC Address, either permitting or blocking access.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 61 Figure 4-61 ¾ Channel: Select the channel you want to use from the drop-dow n List of Channel. This field determines which operating frequen cy will be used. It is not necessary to change the wireless channel unless you notice interferenc e problems with another nearby access point.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 62 ¾ Mode: In the drop-down list you can select “54Mbps (802.1 1g)” or “11Mbps (802.11b)”. "54Mbps (802.11g)", which a llows both 802.11g and 802.11b wirele ss stations to connect to the Router.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 63 4.7 Management Choose “ Management ”, there are six submenus under the main menu. They are Settings , System Log , TR-069 client , Internet Time , Access Control , Update Softw are and Reboot . Click any of them, and you will be able to configure the corre sponding function.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 64 Figure 4-66 2. Click the Save button, and save the file as the appointed file (shown in Figure 4-67).
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 65 Figure 4-68 To update the Router’s settings: 1. Click the Brow se button to locate the update file for the device, and you can also enter the exact path to the Setting file in the text box. 2. After you have selected the file for updating the settings, click the Update S ettings button.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 66 Figure 4-70 T o View the System Log: Click the Vie w System Log button, you will see the screen (shown in Figure 4-71) which displays the Router ’s recent logs. Figure 4-71 ¾ Refresh: Click the button, the informati on in the table will be updated.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 67 Figure 4-72 ¾ Disable/Enable: Select the Enable to log the events, if you don’t want to log these events, please select Disable . ¾ Log Level: Select the Log level in the drop-down list, for the Log level, all events above or equal to the selected level will be logged.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 68 Figure 4-73 To set the Router’s time: 1. Select automatically synchronize with Internet time servers. 2. Select the First NTP time server and/or t he Second NTP time server in the drop-down list severally.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 69 Figure 4-74 ¾ Inform: You can select the checkbox to disable or enable the Inform Interval. ¾ Inform Interval: Type the interval time of your Router contact with the ACS . ¾ ACS URL: Please accept this information from your ISP.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 70 4.7.5 Access Control This section provides three submenus including Services , Addresses and Passw ord (shown i n Figure 4-75), the detailed descriptions are provided below.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 71 Figure 4-77 To add the IP Address: 1. Click the Add button. You can add a new IP Address in the next screen (shown in Figure 4-78 ). Figure 4-78 2. Enter the IP address of the managem ent stat ion permitted to access the local management services.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 72 Figure 4-79 To change the password: 1. Enter the Old Password in the text box. 2. Enter the Ne w Pa ss wor d and Confirm Password . The Confirm Password should be the same as the New Password. 3. Click the Save/Apply button to make your change take effect.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 73 To update the Router's software: 1. Downl oad the latest software upgrade file from the TP-LINK website ( www.tp-link.com). 2. Click Bro w se to view the folders and select the image file or enter the exact path to the image file location in the text box.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 74 Appendix A: Glossary Access Point - A device that allows wireless-equipped computers and other devices to communicate with a wired network.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 75 Firewall - A set of related programs located at a net work gateway server that protects the resources of a network from users from other networks. Gateway - A device that interconnects networks with different, incompatible communications protocols.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 76 Ethernet, this protocol is used as a type of broadband connection that provides authentication (username and password) in addition to data transport.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 77 WAN ( W ide A rea N etwork) - Networks that cover a large geographical area. Web-based Utility - The web page that allows you to manage the Router.
TD-W8910GB 54M Wireless ADSL2+ Router User Guide 78 Appendix B: Specifications Supporting Standards and Protocols ANSI T1.413, ITU G.992.1, IT U G.992.
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 TP-Link TD-W8910GB 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 TP-Link TD-W8910GB - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso TP-Link TD-W8910GB imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul TP-Link TD-W8910GB ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il TP-Link TD-W8910GB, 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 TP-Link TD-W8910GB.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il TP-Link TD-W8910GB. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo TP-Link TD-W8910GB 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.