Manuale d’uso / di manutenzione del prodotto ADSL2+ del fabbricante PC Concepts
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ADSL2+ Full-Rated Router User’s Manual Sept 2006.
1 Copyright Copyright © 2004 by this comp any . All right s reserved. No p art of this publication may be reproduced, transmitted, transcri bed, stored in a retrieval syste m, or translated into any .
2 Contents 1. Introduc tion ................................................................................................ 5 1.1 System Re quirement s ................................................................................ 5 1.2 Package Co ntents.
3 5.4.3 PPP ....................................................................................................... 48 5.4.4 ED A ...................................................................................................... 50 5.4.5 IP OA ...
4 5.8.9 Backup/Restore Configurat ion .......................................................... 96 5.8.10 Manageme nt Cont rol .......................................................................... 98 5.8.1 1 Autodetect ..........................
5 1 . I n t r o d u c t i o n This ADSL2+ Ethernet rou ter is a full-featur ed ADS L router that provides high -speed Internet access and Eth ernet direct connections to individual PCs or local a rea network with 10/100 Base-T Ethernet.
6 z ITU-T G.992.5 (ADSL2+) z Reach Extended ADSL (RE ADSL) z Auto-negotiating rate adapt ation 2.2 A TM Protocols and Encap sulations z ATM Forum UNI 3.
7 z CHAP (Challenge Authentication Protocol; RFC1994) z User authentication for PPP z Password Protected System Management z Firewall 2.7 Device management z Firmware upgrade via FTP / TFTP (Web-based) z SNMP MIB Support z WAN and LAN conne ction statistics z Selection of Bridge or Router Mode z Configuration of VCs (Virtual Circuits) 2.
8 3. Hardware Indicators and Connectors 3.1 Front Panel Indicators and Description Front panel of ADSL router has LED indicators to display router’ s operating status.
9 3.2 Back Panel Single-Port ADSL Router Descriptions of All Connectors LINE Connect with telephone line. USB Connect with USB cable. LAN Connect with Ethernet Cable to Switch Hub or PC PWR Connect with power adapter DEF AUL T Reset button. Four-Port ADSL Router Descriptions of All Connector s LINE Connect with telephone line.
10 3) Connect Router to Power Adapter Plug power adapter t o PWR port on the back panel of the ro uter and the other end to a power outlet. The diagram below illustrates a connection example, Warning! Only use the po wer adapter provided in the package, other w ise it may cause hardware damage.
11 4. Connecting ADSL Router via Ethe rnet and USB Y ou can connect this ADSL Router with PC through Ethernet cable or USB cable. Af ter connect is est ablished, you can configure the hos t PC to be a DHCP client. Y ou have to repeat the same step s for every h ost PC on your network if you user DHCP function on your router .
12 Ste p 3 : Insert “ Easy Setup ” Software kit CD, and then click “ Inst all USB Driv er ” to begin device driver install ation. Ste p 4 : After “ DSL Modem Setup Wizard ” sh ows, click “ Next ” to continue.
13 Ste p 5 : Please review the following license agree ment, and click “ Accept ” to continue. Ste p 6 : W aiting for few seconds for device driver installation.
14 Ste p 7 : For completing your installatio n, the DSL Modem Setup Wizard requi res to reboot your system. Please choose “ Y es, reboot the computer no w ” and click “ Close ” for reboot. Ste p 8 : After you resta rt your computer , y ou can see Finish windows.
15 Ste p 9 : Follow the procedures below to check if DSL router is properly inst alled. Right-click “ My Computer ” on the desktop Æ Choose “ Properties ” Æ Select “ Hard w are ” t ab Æ Click “ Dev ice Manager ” button.
16 Step 2: Double-Cli ck Network Connections icon. Step 3: Right -click Local Area Connection (local network your ADSL hooked up with) and then select “ Properties ”.
17 Step 4: Select Internet Protocol (T CP/IP) then click “ Properties ” . Configure IP address Automatically: Step 5: Select Obt ain an IP address automatically & Obt ain DNS server address automatically .
18 Configure IP address M anually: Step 5: Select Use the following IP address & Use the follo wing DNS server addresses . IP address: Fill in IP address 192.168.1.x. ( x is a number betwe en 3 to 254). Subnet Mask: Default value is 25 5.255.255.0.
19 If the communication link between your computer and router is not setup correctl y , after your type ping 192.16 8.1.2 under DOS prompt following message will appe ar . Pinging 192.168.1.2 with 32 bytes of dat a: Request timed out. Request timed out.
20 Step 3: Select Internet Protocol (T CP/IP) then click Properties ..
21 Configure IP Automatically : Step 4: Select Obt ain an IP address automatically and Obt ain DNS serv er address automatically then click OK to complete IP configuri ng process. Configure IP Manually : Step 4: Select Use the following IP address and Use the follo wing DNS server addresses.
22 IP address: Fill in IP address 192.168.1.x. ( x is a number betwe en 3 to 254). Subnet Mask: Default value is 25 5.255.255.0. USB interface Default gate way: Default value is 192.168.1. 2 . Ethernet interface Default gate way: Default value is 192.
23 Option1: Get an IP from Router Auto matically 1) Choose Obt ain an IP address au tomatically option in the next window . 2) Select Gate way tab and click OK.
24 3) Select DNS Configuration tab and sel ect Disable DNS then click OK Option2: Configure IP Manually 1) Select Specify an IP address , set default IP ad dress for the Router is 192.168.1.2, so use 192.168.1.X (X is a number between 3 to 254) for IP Address field and 255.
25 2) Select Gate way tab and add default Router IP Address ( USB interface defaul t gateway: 192.168.1.2, Ethernet interf ace default gateway: 192.168.
26 4.4 Setup ADSL Router via USB Cable on MAC Step 1: Once you insert the Device Driver CD-ROM disk, direct the path of your MAC OS. Y ou will see “ DO -407952-LS-3.zip ” file. Copy this file to Macintosh HD. Step 2: After you copy the zip file to Maci ntosh HD, double-click the compressed “ .
27 Step 5: The ADSL Modem Installer window will be shown. Clic k “ Next ” to continue. Step 6: Enter your Nam e and password for your sy stem. Then, click “ OK ” to continue.
28 Step 7: Please revie w the License Agreement below and click “ Accept ” if you agree with the license agreement. Step 8: Af ter the installation is finished, you must rest art your computer before using your modem. Click “ Finish ” to restart your computer .
29 Step 9: Af ter restart your computer , click “ System Preferences ” on the bottom of the desktop. Step 10 : Click “ Network ” icon on the System Prefe rences windows. Ste p 11: Once your Ethernet Adapter ’s button is “ Green ”, it means your DSL Router is successful in stalled.
30 Step 12 : Fill in TCP/IP IP Address: IP addre ss: Fill in IP Address 192.168.1.x . ( x is a number between 3 to 254). Subnet Mask: Default value is 255.
31 Step 13: Choose “ Application ” on GO menu. Do uble-click “ Internet Explorer ”. Step 14 : Enter the default IP address: h ttp://192.168.1.2 Step 15 : Entry of the User ID and Password will be displayed. Enter the default User ID and Password.
32 Step 16 : DSL Router W ebpage will sho w as below: 4.5 Setup ADSL Router via USB Cable on Linux This driver support s Linux-2.4 kernel . Compiling the Driver T o compile the driver simply run make in " vikin g " directory . This will create binary driver with name VKGEther .
33 interface name is eth1 in above line. LAN Configuration T o enable LAN traf fic over the ethernet interface: % ifconfig eth1 192.168.1.200 up Y ou may also need to modify the netmask and r oute for the interface. Refer to the manual pages for ifconfig an d route for more informat ion.
34 5.2 Home The Home p age displays when you first access the prog ram or , if another tab is already displaying, when you click on the Home t ab. 5.2.1 Home The System Vie w table provides a sna pshot of the dev ice configuration. Note that some of the settings are links to the soft ware pages that enable you to configure those settings.
35 Device: Displays basi c information about the device hardware and sof tware versions, the system uptime since the last reboot, and the preconfigured o perating mode. DSL: Displays the operational status, DSL standard conformance, and performa nce statistics fo r the DSL line.
36 z Message forwarding based on the Internet Group Managemen t Protocol (IGMP , not configurable). 5.2.2 System Mode The System Mode page e nables you to configure syst em-l evel operating modes that use bridging in addition or instead of routing protoc ol s.
37 5.2.3 Quick Configuration The Quick Configuration displays the settings you are most likely to need to change when you first set up your ADSL/Ethernet router . W ork with your ISP to determine the values or settings you need to change. NOTE: It is a strong recommendatio n that using Quick Configuration to set your ADSL settings.
38 z VPI and VCI: Determine the unique da ta path yo ur modem uses to communicate with your ISP . z Bridge: Enables or disable s bridging between the device an d your ISP . z IGMP: Can be used to enable the W AN interface to pass Interne t Group Management Protocol messages it receives to the LAN PCs.
39 5.3 LAN 5.3.1 LAN Configuration Use this page to set the LAN configuration , which determines how your device is identified on the network. The LAN Configuration t able displays the following settings: z System Mode: Identifies the system operatin g mode for your device, such as Routing mode, Bridging mode, or both modes simult ane ously .
40 -- Manual indicates that you will be assigning a st atic IP address, which you ca n enter in the fields below . -- External DHCP Server indicates that your ISP will be a ssi gning an IP address from their own DHCP servers, dynamically each time you log on.
41 5.3.2 DHCP Mode Y ou can configure your network and ADSL/Ethernet route r to use the Dy nami c Ho st Configuration Protocol (DHCP) . This help topic provides an overview of DHCP and instructions for implementing it on your netwo rk.
42 5.3.3 DHCP Server This topic describes ho w to configure the DHCP server feature on your ADSL/Ethernet router . Adding DHCP Server Address Pools: 1. If the DHCP Server Configuration pag e is not already displaying, click the LAN t ab, and then click DHCP Server in the t ask bar .
43 that corresponds to this MAC addre ss. If you type a MAC address here, you m ust have specified the same IP address in both the S tart IP Address and End IP Address fields. z Net Mask: S pecifies which portion of each IP addr esses in this range refers to the network and which portion refers to the host (computer).
44 Follow these instructions to configure DHCP relay: First, you must configure each LAN computer to receive IP information assigned by a DHCP server: 1) Open the Windows Control Panel and displa y the comput er's Networking properties.
45 4) Select your W AN interface from the d rop-down list and click Add . The W AN interface may be name d ppp-0, eoa-0 , or ipoa-0. Cont act your ISP if you are unsure which type to use. (Note that you can delete an interface from the table by clicking in the right colu mn.
46 5.4 W AN 5.4.1 DSL The DSL S t atus page displ ays current information on the DSL line performance. The pag e refreshes according to the setting in the Refresh Rate drop-down list, which you can configu re.
47 parameters p age, which provides data about t he configuration of the DSL line. Y ou cannot modify this data. z The DSL Parameters and S tatus table disp lays settings preconfigured by the produ ct manufacturer or your ISP . z The Config Data t able list s various types of error and defect measu rements found on the DSL line.
48 interface names are preconfigured in the sof tware and identify the type of traf fic that can be supported, such as dat a or voice. Internet dat a se rvices typically use an AAL5-type interface.
49 Y ou can configure the fol lowing setti ngs on the PPP Configuration page: Inactivity TimeOut...: The time in minutes th at must elapse b efore a PPP con nection times-out due to inactivity . This setting applies only to PPP interfaces that are configured as "start-on -data" interface s.
50 listed on the DHCP Server Configuration pag e). Use DNS: When set to Enable, the DNS address lear ne d through the PPP co nnection will be distributed to client s of the device's DHCP server . This opt ion is useful only when the ADSL/Ethernet Router is config ured to act as a DHCP server for your LAN.
51 defined in the softwa re. z A private interface conn ects to your LAN, su ch as the Ethernet interface. Packet s received on a private interface are subject to a less rest rictive set of protection s, because they originate within the network.
52 5.4.5 IPOA This topic describes ho w to configure an IPoA (Internet Protocol ov er A TM) interface on the ADSL/Ethernet router . Interface: The name the sof tware uses to identify the IPoA interface.
53 "lower level" functions (i.e., closer to hardware) than the IPoA interface. Peer IP Add ress: The IP address of the remote computer you will be connecting to via the WA N i n te r f a c e . Config IP Ad dress and Net Mask: The IP address and network m ask you want to assign to the interface.
54 [Enabling Bridgeable Interfaces] T o enable bridging, you use the Bridge Configur ation p age to specify the interfaces that can bridge dat a. Then, you use the System Mode page to enable the appropriate operating mode. 1. If the Bridge Configuration page is not already displaying, click the Bridging t ab.
55 The LAN Configuration t able displays the following settings: System Mode: Ide ntifies the system operating mode for your device, such a s Routing mode, Bridging mode, or both modes simult aneously . Get LAN Address: Provi des options for how the devic e's LAN i nterface is assigned an IP address.
56 that will assign an address to the port. If you choose either the internal or external server option, the L AN interface is called a DHCP clie nt of the server . Note that the public IP address assigned to you by your ISP is not your LAN IP address.
57 [ DSL S t atus ] The DSL S tatus p age displays current information o n the DSL line performance. The page ref reshes according to the setting in the Refresh Rate drop-down list, which you can configure.
58 [ DSL Parameter s ] From the DSL S tatus Page, you can click DSL Param to display the DSL parameters p age, which provides data about t he configuration of the DSL line.
59 [ DSL S t atistics ] From the DSL S tatus page, you can click Sta ts to display DSL line performance st atistics. The DSL S tatistics p age report s error dat a relating to the current 1 5 minute interval, the current day , and the previous day . 5.
60 virtual circuit (VC) properties of the A TM VC interface identify a unique path that your ADSL/Ethernet router uses to communica te via the A TM-based network with the telephone company central office equip ment. z The higher-lev el protocol interface (s) operate "on top" of the A TM VC interface.
61 5.5.5 RFC 1483 Interface (EoA) The Ethernet-ov er-A TM (EoA) protocol is commonly used to carry dat a between local area networks that use the Ethernet prot ocol and wide-area networks that use the A TM protocol. Many telecommunicatio ns industry net works use the A TM protocol.
62 that are available for both public and in-netwo rk acce sses (such as a comp any's public Web se rver). Packets incoming on a DMZ inte rface -- whether from a LAN or external source -- are subject to a level of protecti on t hat is in between those for public and private interfaces.
63 Destination: S pecifies the IP address of the desti nation computer . The destination can specified as the IP addre ss of a specific comput er or an entire network.
64 5.6.2 IP Address T able The interfaces on your ADSL/Ethernet route r that communicate with other network and Internet devices are identified by unique Internet p rotocol (IP) addresses. Y ou can use the Configuration Manager to view the list of IP addresses that your device uses, and to view other system and network performance dat a.
65 If you are using the ADSL/Ethernet router wi th multiple PCs on your LAN, you must connect the LAN via an Ethernet hub connected to the device's LAN po rt. If you are using a single PC with the ADSL/Ethernet router , you have two conne ction options: z Y ou can connect the PC directly to the LAN port using a cross-over Ethernet cable .
66 Bridging mode, or both modes simult aneously . Get LAN Address: Provides optio ns for how the device' s LAN interface is a ssigned an IP address: z Manual indicates that you will be assigning a st atic IP address, which you can enter in the fields below .
67 In the DSL S tatus table, the Operational S tatus setting displays a red, orange, or green ball to indicate that the DSL line is idle, starting up, or up-and-running, respectively . Y ou can click Loop Stop to end the DSL connection. T o rest art the connection, you can click Loop S t art.
68 virtual circuit (VC) properties of the A TM VC interface identify a unique path that your ADSL/Ethernet router uses to communica te via the A TM-based network with the telephone company central office equip ment. z The higher-level protocol i nterface(s) oper ate "on top" of the A TM VC interface.
69 5.6.6 PPP The Point-to-Point Protocol (PPP) is one of several protocols used to enable communication between I SPs and their customers. PPP performs t asks such as the followin g: z Identifying the type of service the ISP provides to a given customer .
70 VC: The Virt ual Circuit over which this PPP data is sent. The V C identifies the physical p ath the data t akes to reach your ISP . Interface Sec T ype: The type of Firewall prote ctions that ar e in ef fect on the interface (public, private, or DMZ): z A public interface connects to the Internet (PPP interface s are typically public).
71 5.6.7 EOA This topic describes h ow to configure an Ethernet-ov er-A TM (EoA) interface on the ADSL/Ethernet router , if one is needed to communi cate with your ISP . This interface is also commonly referred to as an RFC1483 interface , for the name of t he Internet specification to which it conforms.
72 - the W AN port). Thi s field should reflect an interface name d efined in the next lower level of software over which the EoA interface will operat e. This will be an A TM VC interface, such as aal5-0 Config IP Ad dress and Net Mask: The IP address and network m ask you want to assign to the interface.
73 Interface: Th e name the software uses to identify the IPoA interface. Interface Security T ype: The type of firewall pr otections that are in ef fect on the interface (public, private, or DMZ): z A public interface con nects to the Internet (IPoA interfaces are typically public).
74 Config IP Ad dress and Net Mask: The IP address a nd network mask you want to assign to the interface. Gateway Address: The e xternal IP add ress that the ADSL/Ethernet router communicates with via the IPoA interface to gain access to t he Internet.
75 The NA T Gl obal Information t able, which displays t he following settings that apply to all NA T rule translations: z TCP Idle T imeout (sec), TCP Close W ait (sec), TCP Def T imeout (sec): When .
76 The following instructions descri be how to enable RIP on your ADSL/Ethernet router: (1) If the RIP Configuration p age is not already displaying, click the Services t ab, and then click RIP in the t ask bar .
77 corresponding ppp, eoa, or other W AN interface. (4) Select a metric value for the interface RIP uses a "hop count" as a way to determine the best p ath to a given destination in the network. The hop count is the sum of the metric value s assigned to each port through whi ch data is passed before reaching the destination.
78 Black List St atus: If you want the device to maintai n and use a black list, click Enable. Cli ck Disable if you do not want to maintain a list. Black List Period(mi n): S pecifie s the number of minutes that a computer's IP address will remain on the black li st (i.
79 z Land Att ack: Sending p ackets that use the same address a s the source and destination address z Ping of Death: Illegal IP packet length. DoS Protection: Click the Enable ra dio button to use th.
80 Security Level: This setting determine s which IP Filter rules t ake effect, based on the security level specified in each rule. For example, w hen Hi gh is selected, only those rules that are assigned a security value of High will be in ef fect. The same is true for the Medium and Low settings.
81 Accept, so that LAN computers have access to the ADSL/Ethernet routers' Internet connectio n. z The term DMZ (de-militari zed zone), in Internet networking terms, refers to computers that are available for both public and in-netwo rk acce sses (such as a comp any's public Web se rver).
82 with system-defined rules. It is also recommend ed that you assign rule IDs in multiples of 5 or 10 (e.g., 1000, 1010, 1020) so that you leave enough room betwee n them for inserting new rules if necessary . Interface: The interface on which the rule will t ake effect.
83 Multiple DNS addresses are useful to provide al ternat ives when one of the serve rs is down or is encountering h eavy traffic. ISPs typica lly provide primary and seco ndary DNS addresses, and may provide additional addresses.
84 PPPoE: Point to Point Protocol ov er Ethernet. Many DSL modems use PPoE to est ablish and maintain a connection wit h a service provider . PPoE provides a means of logging in to the ISPs servers so that they c an authenticat e you as a customer and provide you access to the Internet.
85 LANs. BPDU: Bridge Protocol Dat a Unit. BPDUs are data messages that are exchanged across the switches betwee n LANs that are connected by a b ridge. BPDU packet s con t ain information o n ports, addre sses, priorities and cost s, and are ex changed across bridges to detect and eliminate loops in a network.
86 5.7.9 UPnP The UPnP Page is used to enable/disable UPnP fea ture for the next boot o f the sy st em. Save configuration and reboot the modem for the change s to take ef fect. 5.7.10 SNTP This SNTP page is used to enable/disable SNTP features as well as to view , add, and modify SNTP co nfiguration.
87 5.8 Admin 5.8.1 User Configuration Configuration Manager is configured with a default use r name and password combination, or login. If you want to allow ot her u sers to access the program, you can creat e additional user logins and specify their privil ege levels.
88 5.8.2 Commit & Reboot This page allows use r to commit configuration changes to permaneme nt memory and reboot the device..
89 [ Committing Changes ] Whenever you use the configuration p rogra m to change system settings, the change s are initially placed in temporary storage called ran dom acce ss memory or RAM. Y our changes are made effectiv e when you submit them, but can be lost if the device is reset or turned of f.
90 Follow this procedure if you have obtained an updated image from your ISP and stored the file on your PC, CD-ROM, or other media. 1. Insert the media containi ng the file in your PC's CD-ROM/dis k drive. Y ou can access the file from there or copy it to your hard d riv e or to any shared network drive.
91 When loading is complete, the following message displays (the file name may di ffer) Æ File: TEImage.bin successfully saved to flash. Please reboot for the new image to take effe ct. 5. T urn power to the unit of f, wait a few seconds, and turn it on again.
92 3. In the Upgrade File text box, type the complete name of the file to be downloaded and loaded to flash, as indicated by your ISP . The name of the upgrade fil e must be either TEImage *.bin or TEPatch*.bin, where * represents any of additional ch aracters , up to a total filename length of 256 characte rs.
93 -- Y ou can click on the Refresh Rate drop-down list to select a recurring time interval after which the page will redispl ay with new data. -- Y ou can click Save Al arm to display a Windows File Downl oad dialog box that enables opening or saving the co ntents of the log to your P C.
94 Follow these instructions to begin the dia gnostic tests: (1) If the Diagnostics page is n ot currently displayed, click the Admin tab, and then click Diagnostics in the t ask bar . (2) From the W AN Interface drop-down list, select the name of the W AN interfa ce on which the diagnostics are t o be run.
95 5.8.7 Port Settings The header information in an IP dat a packet sp ecifies a destination port numbe r . Route rs use the port number along with the IP addresses to forward the p acket to its intended recipi ent.
96 improper functioning and is not captured by the system traps that create alarm. Y ou can click Save Log to display a Windows File Download dialog box that enables opening or saving the co ntents of the log to your P C. The file is assigned the default name syslog.
97 settings with default values. Before you load the new image, you can store the configuration settings. The n, after you load the image, you can restore your previous configuration.
98 When the system reboot s, your connection to the co nfiguration program will be suspende d and may appear to hang. If you want to continue to use Configuration Manager , wait about 30 seconds and Refre sh the browser win dow (e.g., press < F5 > if using Internet Explorer).
99 5.8.11 Autodetect Autodetect enables the modem to auto matically detect and configure a valid A TM VC at startup. Autodetect elimi nates the need to have users configu re VC values as described in .
100 (3) Click the Enable radio button. (4) Click Submit . A page will display briefly to confirm y our changes. Autodetect will not start searching for a valid connection until the modem is rebooted. (5) Click Reset . A warning message will display to inform you that the current configuration will be lost.
101 A complete SNMP setup includes the foll owing items: -- A management station equipped wit h an SN MP manager clie nt that enables sending messages to an SNMP agent (e.g., the modem). This configuration is not described here. -- A MIB stored in the modem's memory .
102 5.8.13 Parent al Control The Parental Control feature e nables management use rs to block Internet access from specified LAN host s for specified perio ds Follow these step s to block a host from accessing the Internet: (1) Ensure that either the system time is specified directly or SNTP is enabled.
103 If you have any troubles to configure or setup this ADSL Ethernet Router, please contact us. Before contacting us, make sure collect following info rmation. Submit complete detailed information of your problem will help us to provide you accurate answers.
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 PC Concepts ADSL2+ 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 PC Concepts ADSL2+ - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso PC Concepts ADSL2+ imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul PC Concepts ADSL2+ ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il PC Concepts ADSL2+, 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 PC Concepts ADSL2+.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il PC Concepts ADSL2+. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo PC Concepts ADSL2+ 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.
