LevelOneメーカー11g Wireless ADSL2+ Routerの使用説明書/サービス説明書
ページ先へ移動 of 104
LevelOne User Manual WBR-3600 11g Wireless ADSL2+ Router V1.0.0-0803.
FCC Statement This equipment has been tested and found to co mply with the limits for a Class B digital device, pursuant to Part 15 of t he FCC Rules. These limits are designed to provide reasonable protection against harmful in terference in a residential installation.
Table of Contents CHAPTER 1 INTR ODUCTION ...................................................................................... 1 WBR-3600 Router Featur es .................................................................................. 1 Package Cont ents .
Remote Admini strati on....................................................................................... 82 Routin g ................................................................................................................. 84 Upgrade Fi rmw are .
Chapter 1 Introduction 1 This Chapter provides an overview of the WBR-3600 Router's features and capabilities. Congratulations on the purchase of your new WBR-3600 Router. The WBR-3600 Router is a multi-function device providing the following services: • ADSL2+ Modem .
• Auto-detection of Internet Connection Method. In most situations, the Wireless ADSL2+ Router can test y our ADSL2+ and Internet connection to determine the connection method used by your ISP.
• Simple Configuration. If the default settings are unsuitable, they can be changed quickly and easily. • WPS Support. Wi-Fi Protected Setup (WPS) is based on push-button or PIN entry authentication to prov ide strong WPA/WPA2 encryption keys to client devices.
Package Contents The following items should be included. If any of these items are damaged or missing, please contact your dealer immediately. • WBR-3600 • Power Adapter • Antenna • Cat.
Physical Details Front-Panel LEDs Figure 2: Front Panel PWR On - Power on. Off - No power. WLAN On - Wireless enabled. Off - No Wireless connections currently exist. Flashing - Data is being transmitted or received via the Wireless access point. This includes "network traffic" as well as user data.
Rear Panel Figure 3: Rear Panel Connect this port to your ADSL line. WAN Use standard LAN cables (RJ45 connectors) to connect your PCs to these ports. Note: Any LAN port on the Wireless ADSL Router will automatically function as an "Uplink" port w hen required.
Chapter 2 Inst allation 2 This Chapter covers the physical in stallation of the Wireless ADSL2+ Router. Requirements • Network cables. Use standard 10/100BaseT network (UTP) cables with RJ45 connectors. • TCP/IP protocol must be installed on all PCs.
2. Connect LAN Cables Use standard LAN cables to connect PCs to the Switching Hub ports on the Wireless ADSL2+ Router. Both 10Bas eT and 100BaseT connections can be used simultaneously. If required, connect any port to a norma l port on another Hub, using a standard LAN cable.
Chapter 3 Setup This Chapter provides Setup details of the WBR-3600 Router. Overview This chapter describes the setup procedure for: • Internet Access • LAN configuration • Wireless setup • Assigning a Password to prot ect the configuration data.
Use any of the following Administration Configuration settings or features: • PC Database • Config File • Logs • E-mail • Diagnostics • Remote Admin • Routing • Upgrade Firmware Chapte.
Configuration Program The WBR-3600 Router contains an HTTP serv er. This enables you to connect to it, and configure it, using your Web Browser. Your Brow ser must support JavaScript . The configuration program has been tested on the following browsers: • Netscape 7.
If you can't connect If the WBR-3600 Router does not respond, check the following: • The WBR-3600 Router is properly insta lled, LAN connection is OK, and it is powered ON. You can test the connecti on by using the "Ping" command: • Open the MS-DOS window or command prompt window.
Setup Wizard The first time you connect to the WBR-3600 Router, you should run the Setup Wizard to configure the ADSL and Internet Connection. 1. Click the Setup Wizard link on the main menu 2. On the first screen, select VC 1 (Router - Primary Internet Connection) , then click "Next" Figure 5: Setup Wizard Home Page 3.
Figure 7: Setup Wizard - Internet Access 4. On the Internet Access Screen, shown above, select the correct connection type, as used by your ISP. Click "Next" and complete the configuration for your connection method. • You need the data supplied by your ISP.
5. Step through the Wizard until finished. 6. On the final screen of the Wizard, r un the test and check that an Internet connection can be established. 7. If the connection test fails: • Check all connections, and the front panel LEDs. • Check that you have ent ered all data correctly.
Configuring VCs The WBR-3600 Router supports multiple VCs (Virtual Circuits) on the ADSL connection. VC1 must be used for general-purpose Internet access. The other VCs are available for special purposes, such as Video-on-Demand. You can only use these VCs if supported by your ISP and ADSL service provider.
Select the multiplexing value provided by your ISP. ATM Service LAN IP Address Enter the IP address of the device on your LAN which will receive the data on this VC. • For Video-on-Demand, this would be the IP address of your SetTop Box. • For VoIP, this would be the IP address of your VoIP TA.
Home Screen After finishing the Setup Wizard, you will see the Home screen. When you connect in future, you will see this screen when you connect. An example screen is shown below. Figure 9: Home Screen Main Menu The main menu, on the left, contains links to the most-commonly used screen.
LAN Screen Use the LAN link on the main menu to reach the LAN screen. An example screen is shown below. Figure 10: LAN Screen Data - LAN Screen TCP/IP IP address for the WBR-3600 Router, as seen from the local LAN. Use the default value unless the address is already in use or your LAN is using a different IP address range.
DHCP What DHCP Does A DHCP (Dynamic Host Configuration Protocol) Server allocates a valid IP address to a DHCP Client (PC or device) upon request. • The client request is made when the client device starts up (boots). • The DHCP Server provides the Gateway and DNS addresses to the client, as well as allocating an IP Address.
Wireless Screen The WBR-3600 Router's settings must match the other Wireless stations. Note that the WBR-3600 Router will automatically accept both 802.
This is also called the "Network Name". • If using an ESS (Extended Service Set, with multiple access points) this ID is called an ESSID (Extended Service Set Identifier). • To communicate, all Wireless stations should use the same SSID/ESSID.
Use this feature to determine which Wireless stations can use the Access Point. The options are: • All Wireless Stations - All wireless stations can use the access point, provided they have the correct SSID and security settings.
Wi-Fi Protect Setup Wi-Fi Protected Setup (WPS) is based on pus h-button or PIN (Personal Identification Number) entry authentication to provide strong WPA/WPA2 enc ryption keys to client devices. Users can push a button on the WB R-3600 router and the client device to exchange the encryption key.
Wireless Security This screen is accessed by clicki ng the "Configure" button on the Wireless screen. There are 5 options for Wireless security: • Disabled - no data encryption is used. • WEP - data is encrypted using the WEP standard. • WPA-PSK - data is encrypted using the W PA-PSK standard.
WEP Wireless Security Figure 13: WEP Data - WEP Screen WEP Data Encryption Select the desired option, and ens ure the Wireless Stations use the same setting. • 64 Bit - data is encrypted, usi ng the default key, before being transmitted. You must enter at least the default key.
WPA-PSK Wireless Security Figure 14-1: WPA-PSK Data - WPA-PSK Screen Enter the PSK (network key). Data is encrypted using a key derived from the network key. Other Wireless Stations must use the same network key. The PSK must be from 8 to 63 characters in length.
WPA2-PSK Wireless Security Figure 15-2: WPA2-PSK Data - WPA-PSK Screen Enter the PSK (network key). Data is encrypted using a key derived from the network key. Other Wireless Stations must use the same network key. The PSK must be from 8 to 63 characters in length.
WPA-802.1x Wireless Security Figure 16: WPA-802.1x Data - WPA-802.1x Screen Enter the server address here. Server Address Enter the port number used for connections to the Radius Server. Radius Port Enter the shared key. Data is encrypted using a key derived from the network key.
WPA2-802.1x Wireless Security Figure 17: WPA2-802.1x Data - WPA2-802.1x Screen Enter the server address here. Server Address Enter the port number used for connections to the Radius Server. Radius Port Enter the shared key. Data is encrypted using a key derived from the network key.
Trusted Wireless Stations This feature can be used to prevent unknown Wireless stations from using the Access Point. This list has no effect unless the setting Allow access by trusted stations only is enabled. To change the list of trusted wireless stations, use the Modify List button on the Access Control screen.
Delete a Trusted Wireless Station from the list (move to the "Other Stations" list). • Select an entry (or entries) in the "Trusted Stations" list. • Click the " >> " button. >> Use this to change an existing entry in the "Trusted Stations" list: 1.
Password Screen The password screen allows you to assign a password to the WBR-3600 Router. Figure 19: Passw ord Screen Enter the existing password in this field. Old Passw ord Enter the new password here. New passw ord Re-enter the new password here.
Mode Screen Use this screen to change the mode between Router mode and Modem (Bridge) mode. Figure 21: Mode Screen Select the desired option, and click "Save". Both the ADSL2+ Modem and the Rout er features are operational. In this mode, this device can provide shared Internet Access to all your LAN users.
Chapter 4 PC Configuration 4 This Chapter details the PC C onfiguration required on the local ("Internal") LAN. Overview For each PC, the following may need to be configured: • TCP/IP netw.
Checking TCP/IP Settings - Windows 2000: 1. Select Control Panel - Network and Dial-up Connection . 2. Right - click the Local Area Connection icon and select Properties . You should see a screen like the following: Figure 22: Netw ork Configuration (Win 2000) 3.
5. Ensure your TCP/IP settings are correct, as described below. Using DHCP To use DHCP, select the radio button Obtain an IP Address automatically . This is the default Windows setting. Using this is recommended . By default, the WBR-3600 Router will act as a DHCP Server.
Checking TCP/IP Settings - Windows XP 1. Select Control Panel - Network Connection . 2. Right click the Local Area Connection and choose Properties . You should see a screen like the following: Figure 24: Netw ork Configuration (Window s XP) 3. Select the TCP/IP protocol for your network card.
5. Ensure your TCP/IP settings are correct. Using DHCP To use DHCP, select the radio button Obtain an IP Address automatically . This is the default Windows setting. Using this is recommended . By default, the WBR-3600 Router will act as a DHCP Server.
Internet Access To configure your PCs to use the WBR-3600 Router for Internet access: • Ensure that the DSL modem, Cable modem, or other permanent connection is functional. • Use the following procedure to configure your Browser to access the Internet via the LAN, rather than by a Dial-up connection.
Macintosh Clients From your Macintosh, you can access t he Internet via the WBR-3600 Router. The procedure is as follows. 1. Open the TCP/IP Control Panel. 2. Select Ethernet from the Connect via pop-up menu. 3. Select Using DHCP Server from the Configure pop-up menu.
Wireless Station Configuration This section applies to all Wireless stati ons wishing to use the WBR-3600 Router's Access Point, regardless of the operating system which is used on the client.
Figure 27 Wireless Netw orks (Window s XP) If the "Broadcast SSID" setting on the WBR-3600 Router has been disabled, its SSID w ill NOT be listed. See the follow ing section "If the SSID is not listed" for details of dealing w ith this situation.
To connect: • Check the checkbox Allow me to connect to the selected wireless network, even though it is not secure . • The Connect button will then be available. Click the Connect button, and wait a few seconds for the connection to be established.
Figure 30: Advanced - Wireless Networks Select the SSID for the WBR-3600 Router, and click Configure , to see a screen like the following: Figure 31: Wireless Netw ork Properties - WEP Configure this screen as follow s: • Set Network Authentication to match the WBR-3600 Router.
• For the Network key and Confirm network key , enter the default key value used on the WBR-3600 Router. (Windows will deter mine if 64bit or 128bit encryption is used.) • The Key index must match the default key index on the WBR-3600 Router. The default value is 1.
If using WPA-PSK Data Encryption If WPA-PSK data encryption has been enabled on the WBR-3600 Router, it does not matter which network is selected on the screen below. Just click the Advanced button. Figure 33: Wireless Netw orks (Window s XP) You will then see a screen like the example below.
Figure 35: Wireless Netw ork Properties- WPA-PSK Configure this screen as follow s: • Set Network Authentication to WPA-PSK . • For Data Enc ryption , select TKIP . • For the Network key and Confirm network key , enter the network k ey (PSK) used on the WBR-3600 Router.
Click OK to establish a c onnection to the WBR-3600 Router. If the SSID is not listed If the "Broadcast SSID" setting on the WB R-3600 Router has been disabled, its SSID will NOT be listed on the screen below.
2. Click the Add button. You will see a screen like the example below. Figure 39: Add Wireless Netw ork 3. Configure this screen as follows: • Enter the correct SSID, as used on the WBR-3600 Router. Remember the SSID is case-sensitive, so be sure to match the case, not just the spelling.
4. This wireless network will then be listed in Preferred Networks on the screen below. Figure 40: Preferred Netw orks 5. Click OK to establish a connection to the WBR-3600 Router.
5 Chapter 5 Operation and S t atus This Chapter details the operati on of the WBR-3600 Router and the status screens. For Details of operation in Bridge (Modem) mode, see Chapter 8 - Modem Mode. Operation - Router Mode Once both the WBR-3600 Router and the PCs are configured, operation is automatic.
Figure 41: Status Screen Data - Status Screen ADSL This indicates the status of the ADSL2+ modem component. Modem Status Displays the speed for the DownStream Connection. Dow nStream Connection Speed If connected, displays the speed for the Up Stream (upload) ADSL Connection.
Internet (VC1) Displays the current connection method, as set in the Setup Wizard . Connection Method This indicates the current stat us of the Internet Connection • Active - Connection exists • Idle - No current connection, but no error has been detected.
Buttons View the details of each VC (Virtual Circuit). ADSL Details Click this button to open a sub-window and view a detailed description of the current connection. Connection Details This will open a sub-window, showing all LAN and Wireless devices currently on the network.
Connection Status - PPPoE & PPPoA If using PPPoE (PPP over Ethernet) or PPPoA (PPP over ATM), a screen like the following example will be displayed when t he "Connection Details" button is clicked. Figure 42: PPPoE Status Screen Data - PPPoE/PPPoA Screen This indicates how long the current connection has been established.
Connection Details - Dynamic IP Address If your access method is "Direct" (no login), with a Dynamic IP address, a screen like the following example will be displayed when the "Connection Details" button is clicked.
Connection Details - Fixed IP Address If your access method is "Direct" (no login) , with a fixed IP address, a screen like the following example will be displayed when t he "Connection Details" button is clicked.
6 Chapter 6 Advanced Features This Chapter explains when and how to use the WBR-3600 Router's "Advanced" Features. Overview The following advanced features are provided: • Internet: .
DMZ This feature, if enabled, allows the DMZ computer on your LAN to be exposed to all users on the Internet. • This allows almost any applicat ion to be used on the "DMZ PC". • The "DMZ PC" will receive a ll "Unknown" connections and data.
Data - URL Filter Screen Current Filter Strings The list contains the current list of items to block. • To add to the list, use the "Add" option below. • To delete an entry, select it and click Delete button. • To delete all entries, click the Delete All button.
Access Control This feature is accessed by the Access Control link on the Advanced menu. The Access Control feature allows administrators to restrict the level of Internet Access available to PCs on your LAN. Access Control Screen To view this screen, select the Access Control link on the Advanced menu.
Trusted PCs Enable this to allow one computer to have unrestricted access to the Internet. If enabled, you must select the PC to be the trusted PC. Click to enable Trusted PCs Click this button to manage the trusted PC database. Set Trusted PCs Button Trusted Wireless Stations This feature can be used to prevent unknown PCs from using the Router.
Dynamic DNS (Domain Name Server) This free service is very useful when combined with the Virtual Server feature. It allows Internet users to c onnect to your Virtual Servers using a URL, rather than an IP Address. This also solves the problem of having a dynamic IP address.
Data - Dynamic DNS Screen DDNS Service Use this to enable or disable the DDNS feature as required. Use a Dynamic DNS Service Select the desired DDNS Service provider. Service Provider Click this button to open a new window and connect to the Web site of the selected DDNS service provider.
Options This screen allows advanced users to ent er or change a number of settings. For normal operation, there is no need to use this screen or change any settings.
Schedule This Schedule can be used for the Firewall Rules and the URL filter. Figure 51: Schedule Screen Data - Schedule Screen Schedule Each day of the week can scheduled independently. Day Session 1 Session 2 Two (2) separate sessions or periods can be defined.
Port Trigger If you use Internet applications which use non-standard connections or port numbers, you may find that they do not function co rrectly because they are blocked by the WBR-3600 Router's firewall. In this case, you can define the application as a "Port Trigger".
Data - Port Trigger Screen Port Trigger Use this to Enable or Disable this Special Application as required. Enable Enter a descriptive name to ident ify this Special Application. Name • Type - Select the protocol (TCP or UDP) used when you send data to the remote system or service.
Port Forward This feature allows you to make Servers on your LAN accessible to Internet users. Normally, Internet users would not be able to access a server on your LAN because: • Your Server does not have a valid external IP Address. • Attempts to connect to dev ices on your LAN are blocked by the firewall in this device.
Port Range Forward This feature allows you to make Servers on your LAN accessible to Internet users. Normally, Internet users would not be able to access a server on your LAN because: Figure 54: Port Range Forw arding Screen Data - Port Range Forwarding Screen Port Range Forw arding Enter the desired application type.
QoS The QoS (Quality of Service) feature allows y ou specify priorities for different traffic. Lower priority traffic will be slowed down to allow greater throughput or less delay for high priority traffic.
• Applications: • Add a New Application (Once selected, please complete the following setups.) • Ip/Net: Enter the IP address. • Rate: Enter the desired rate value. • Priority: Select the desired option (High, Normal, Low) • Direct: Select Upstream or Downstream as required.
7 Chapter 7 Advanced Administration This Chapter explains the settings available via the "Administration" section of the menu. Overview Normally, it is not necessary to use these screens, or change any settings.
PC Database The PC Database is used whenever you need to select a PC (e.g. for the "DMZ" PC). • It eliminates the need to enter IP addresses.
Config File This feature allows you to download the current settings from the WBR-3600 Router, and save them to a file on your PC. You can restore a previously-downloaded conf iguration file to the WBR-3600 Router, by uploading it to the WBR-3600 Router.
Logs The Logs record various types of activity on the WBR-3600 Router. This data is useful for troubleshooting, but enabling all logs will generate a large amount of data and adversely affect performance. Since only a limited amount of log data c an be stored in the WBR-3600 Router, log data can also be E-mailed to your PC.
Include in Log Use these checkboxes to determine which events are included in the log. Checking all options will increase the size of the log, so it is good practice to disable any events which are not really required. • Attempted access to blocked sites - If checked, attempted Internet accesses which were blocked are logged.
E-mail This screen allows you to E-mail Logs and Alerts. A sample screen is shown below. Figure 59: E-mail Screen Data - E-mail Screen E-Mail Notification Check this box to enable this feature. If enabled, the E-mail address information (below) must be provided.
E-mail Alerts You can choose to have alerts E-mailed to you, by checking the desired checkboxes. The WBR-3600 Router can send an immediate alert when it detects a significant security incident such as.
Diagnostics This screen allows you to perform a "Ping" or a "DNS lookup". These activities can be useful in solving network problems. An example Network Diagnostics screen is shown below. Figure 60: Netw ork Diagnostics Screen Data - Network Diagnostics Screen Ping Enter the IP address you wish to ping.
Remote Administration If enabled, this feature allows you to manage the WBR-3600 ADSL2+ Router via the Internet. Figure 61: Remote Administration Screen Data - Remote Administration Screen Remote Administration Check to allow administration/management via the Internet.
IP address to define the allowed range. For security, you should restrict access to as few external IP addresses as practical. To connect from a remote PC via the Internet 1. Ensure your Internet connection is established, and start your Web Browser. 2.
Routing Overview • If you don't have other Routers or Gate ways on your LAN, you can ignore the "Routing" page completely. • If the WBR-3600 Router is only acting as a Gateway for the local LAN segment, ignore the "Routing" page even if your LAN has other Routers.
Figure 62: Routing Screen Data - Routing Screen RIP Select the desired RIP Direction. RIP Direction Select RIP-1/RIP-2B/RIP-2M from the drop down list box. RIP Version Static Routing This list shows all entries in the Routing Table. • This area shows details of the selected item in the list.
Configuring Other Routers on your LAN It is essential that all IP packets for dev ices not on the local LAN be passed to the WBR-3600 Router, so that they can be forw arded to the external LAN, WAN, or Internet. To achieve this, the local LA N must be configured to use the WBR-3600 Router as the Default Route or Default Gateway .
Static Routing - Example Figure 63: Routing Example For the WBR-3600's Routing Table For the LAN shown above, with 2 router s and 3 LAN segments, the WBR-3600 Router requires 2 entries as follows. Entry 1 (Segment 1) Destination IP Address 192.168.
Upgrade Firmware The firmware (software) in the WBR- 3600 Router can be upgraded using your Web Browser. You must first download the upgrade file, then select Upgrade Firmware on the Administration menu. You will see a screen like the following. Figure 64: Router Upgrade Screen To perform the Firmware Upgrade: 1.
8 Chapter 8 Modem Mode This Chapter explains configurat ion and operation when in "Modem" or "Bridge" mode”. Overview There are two modes available on the Mode screen. • Router - Both the ADSL2+ Modem and the R outer features are operational.
Home Screen If in Modem mode, the home screen will look like the example below. Figure 65: Home Screen - Modem Mode Note that the menu has changed, many of the options in Router mode are not available. The screens available are: • Mode - change back to Router mode, if desired.
Mode Screen This screen is change back to Router mode, if desired. Figure 66: Mode Screen Data - Mode Screen This field displays the current name of this device. Device Name Select the desired device mode for the router: • Router - Both the ADSL2+ Modem and the Router features are operational.
Status Screen In Modem mode, the Status scr een looks like the example below. Figure 67: Status Screen - Bridge Mode Data - Status Screen (Bridge Mode) ADSL This indicates the status of the ADSL2+ modem component. Modem Status Displays the speed for the DownStream Connection.
LAN The IP Address of the WBR-3600 Router. IP Address The Network Mask (Subnet Mask) for the IP Address above. Netw ork Mask This shows the MAC Address for the WBR-3600 Router, as seen on the LAN interface.
Appendix A T roubleshooting A This Appendix covers the most likely problems and their solutions. Overview This chapter covers some common probl ems that may be encountered while using the WBR-3600 Router and some possible solutions to them.
and power connections.) • Check the WBR-3600 Router's status screen to see if it is working correctly. Problem 2: Some applications do not run properly when using the WBR-3600 Router The WBR-3600 Router processes the data passing through it, so it is not transparent.
devices should be shielded or relocated. • RF Shielding Your environment may tend to block transmission between the wireless stations. This will mean high access speed is only possible when close to the WBR-3600 Router.
Appendix B About Wireless LANs B This Appendix provides some background information about using Wireless LANs (WLANs). Modes Wireless LANs can work in either of two (2) modes: • Ad-hoc • Infrastructure Ad-hoc Mode Ad-hoc mode does not require an Access Point or a wired (Ethernet) LAN.
performance. This capability is called Roaming . (Access Points do not have or require Roaming capabilities.) Channels The Wireless Channel sets the radio frequency used for communication. • Access Points use a fixed Channel. You can select the Channel used.
The same encryption method must be used. The most common encryption method is TKIP. Another widely- supported method is AES. Encryption WPA-802.1x This version of WPA requires a Radius Se rver on your LAN to provide the client authentication according to the 802.
C Appendix C S pecifications Multi-Function 11g Wireless ADSL2+ Router Model WBR-3600 11g Wireless ADSL2+ Router ADSL Interface MultiMode, T1.413, G.DMT, G.
デバイスLevelOne 11g Wireless ADSL2+ Routerの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
LevelOne 11g Wireless ADSL2+ Routerをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはLevelOne 11g Wireless ADSL2+ Routerの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。LevelOne 11g Wireless ADSL2+ Routerの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。LevelOne 11g Wireless ADSL2+ Routerで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
LevelOne 11g Wireless ADSL2+ Routerを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はLevelOne 11g Wireless ADSL2+ Routerの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、LevelOne 11g Wireless ADSL2+ Routerに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちLevelOne 11g Wireless ADSL2+ Routerデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
