TP-LinkメーカーTD-W8900GBの使用説明書/サービス説明書
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TD-W8900GB 54M Wireless ADSL2+ ROUTER Rev: 1.0.2 1910010067.
I COPYRIGHT & TRADEMARKS Specifications are subjec t to change without notice. is a registered trademark of TP-LINK Technologies Co., Ltd. Other brands and product names are trademarks or registered trademarks of their respective holders.
TD-W8900GB 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-W8900GB 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-W8900GB 54M Wireless ADSL2+ Router User Guide IV Package contents The following contents should be found in your box: ¾ One TD-W8900GB 54M Wireless ADSL2+ Router ¾ One DC power Adapter for TD-W89.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide V CONTENTS Chapter 1. About This U ser Guide .......................................................................... 1 1.1 Purpose ....................................................................
TD-W8900GB 54M Wireless ADSL2+ Router User Guide VI 5.5 Wireless LAN Configuration .................................................................................... 54 5.5.1 Wireless – Basic .......................................................
1 Chapter 1. About This User Guide 1.1 Purpose For helping user know about TD-W8900GB 54M Wireless ADSL2+ Router better , use it accurately and adequately , maintain it expedientl y , we write this User Guide. This Guide introduces the product comprehensively , including the prod uct’s function s, parameters and specifications.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 2 Chapter 2. Product Overview 2.1 Overview of the Router Thank you for choosing the TD-W8900GB 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-W8900GB 54M Wireless ADSL2+ Router User Guide 3 ¾ AFE to support Annex A/ B/C/I/J/K, Land M deployments. ¾ Provides external splitter . ¾ Adopts Advanced DMT modulati on and demodulation technology .
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 4 2.4 T ransmit Dat a-rate ¾ Downstream data rates up to 24Mbps, upstream d ata rates up to 3.5Mbp s （ With Annex M enabled ） . ¾ Supports 54/48/36/24/18/ 12/9/6Mbps (IEEE 802.1 1g) and 1 1/5.5/2/1Mbps (IEEE 802.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 5 Chapter 3. Hardware Installation Guide 3.1 The Front Panel The Router’s LEDs are located on the front panel. Figure 3-1 The LED indicators on the front panel include the Power , Sys tem , ADSL , WLAN and 1-4 (LAN) .
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 6 3.3 The Back Panel The Router's ports, where the cables are connected, and RESET button are located on the back panel. Figure 3-2 ¾ Antenna: Used for wireless operation and data transmit. ¾ Power: The Power plug is where you will connect the power adapter.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 7 3.5 Inst allation Environment Requirements ¾ The Router should not be located where it will be exposed to moisture or excessive heat. ¾ Place the Router in a location where it can be connected to the various dev ices as well a s to a power source.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 8 3.6.2 Wired network connection Wired network connections are provided through the Line port and LAN port s which are on the back of the Router. See the Back Panel picture above and the illustrations below for examples.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 9 Figure 4-1 ) Note: Do not mix up the user name and password with your ADSL account user name and password which needed for PPP connections. 2. The default screen shows as below. Change the VPI or VCI values which are used to define a unique path for your c onnection.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 10 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-W8900GB 54M Wireless ADSL2+ Router User Guide 11 5. Use the default setting of this screen click “Next” to continue. Figure 4-5 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-W8900GB 54M Wireless ADSL2+ Router User Guide 12 Figure 4-7 8. You will see the WAN Setup-Summary screen below, click " Save/Reboot " to save these settings and reboot the Router. Figure 4-8 ) Note: The reboot process will take a wh ile to complete, please wait befo re reopening your web browser.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 13 may connect your adapter to a Hub/Switch, and then connect the Hub/Switch to the Router. Follow the instructions below to configure a computer running Windows XP to be a DHCP client. 1. From the Start menu on your desktop, go to Settings , and then click on Network Connections.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 14 Figure 4-10 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-W8900GB 54M Wireless ADSL2+ Router User Guide 15 Figure 4-12 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-W8900GB 54M Wireless ADSL2+ Router User Guide 16 Figure 4-13 If the result displayed is similar to that shown in figure below, it means that your PC has not connected to the Router.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 17 5.1 Login After your successful login, y ou will see the Login screen (shown in Figure 5-1). Figure 5-1 There are six main menus shown on the screen, they are Device Info , Quick Setup , Advanced Setup , Wireless , Diagnostics and Management .
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 18 Figure 5-2 ) 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 . 5.3 Quick Setup Please refer to the Chapter 4 to get the detailed information.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 19 Figure 5-3 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 5-3) and then click the Remove tab, the corresponding interfac e will be deleted in the table.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 20 Figure 5-4 1. Follow the instructions below to configure the A TM PVC on the screen (shown in Figure 5-4).
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 21 service, the Quality of Serv ice menu will be added to the W eb-based Utility, the detailed configuration will be described in 5.4.5 Quality of Service . 2. Select the Connection T ype in the next screen (shown in Figure 5-5).
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 22 1. PPPoA If you choose connection type PPPoA on the screen above (shown in Figure 5-5), you will see the screen below (shown in Figure 5-6).
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 23 Figure 5-7 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-W8900GB 54M Wireless ADSL2+ Router User Guide 24 The information is same as the information in Figure 5-3. 2. PPPoE If you choose PPPoE in the previous screen (shown in Figure 5-5), the configuration is similar to PPP oA , the only difference is that you should set the PPPoE Service Name on the corresponding screen.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 25 the following IP Address , and then enter the WAN IP Address and WAN Subnet Mask . 2) Configure the default gateway . If you are provided a dynamic gateway address, please select obtain default gateway automatically , and then the Router will automatically get gateway parameters from your ISP.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 26 the screen above, or else the service will not take effect. ¾ service name: You can enter the service name in the text box o r leave the default name.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 27 Figure 5-12 1) If you want to adopt the Bridge service, you have to select the Enable Bridge Service option in the screen above, or else the service will not take effect. 2) Enter the service name in this screen, otherwise leave the default setting.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 28 5.4.2 LAN Choose “ Advanced Setup ” Æ “ LAN ”, and you will see the LAN screen (shown in Figure 5-14 ) ， the section allows you to configure the Router’s LAN ports settings. Figure 5-14 ¾ IP Address: Y ou can configure the Router ’s IP Ad dress and Subnet Mask for LAN Interface.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 29 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-W8900GB 54M Wireless ADSL2+ Router User Guide 30 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-W8900GB 54M Wireless ADSL2+ Router User Guide 31 Figure 5-15 Choose “ Advanced Setup ” Æ “ NAT ”, there are four submenus under the main men u : Virtual Servers , Port Triggering , DMZ Host and ALG . Click any of them, and you will be able to configure the corre sponding function.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 32 ¾ Virtual Server T able: The t able indicates the informati on about the Virtual Server entries. Server Name: This is the name of the Virtual Server . It is ex clusive and must be filled in. External Port St art: The base number of External Ports.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 33 Figure 5-17 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-W8900GB 54M Wireless ADSL2+ Router User Guide 34 only need to enter the Server IP Address for the Virtual Server. 5.4.3.2. Port Triggering Choose “ Ad vanced Setup ” Æ “ NAT ” Æ “ Port Triggering ”, you can set Port Triggering on the screen (shown in Figure 5-18).
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 35 1. Click the Add button (pop-up Figure 5-18), and then you will se t the new Port Triggering in the next screen (shown in Figure 5-19).
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 36 Figure 5-20 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-W8900GB 54M Wireless ADSL2+ Router User Guide 37 Figure 5-22 5.4.4.1. IP Filtering The IP address 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-W8900GB 54M Wireless ADSL2+ Router User Guide 38 Figure 5-24 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-W8900GB 54M Wireless ADSL2+ Router User Guide 39 Figure 5-25 Setup an Incoming IP Filtering rule: 1. Click the Add button (pop-up Figure 5-25), and t hen you will set the new rule in the next screen (shown in Figure 5-26). Figure 5-26 2. Enter the Filter name for the rule, it is excl usive and must be filled in.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 40 ) Note: When you add a Incoming IP Filtering entry, you must configure at leas t one condition on the screen above except the Filter name.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 41 1. Click the Add button (pop-up Figure 5-27), then you will set th e new rule in the next screen (shown in Figure 5-28). Figure 5-28 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.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 42 Figure 5-29 To setup a Parental Control rule: 1. Click the Add button (pop-up Figure 5-29), and t hen you will set the new rule in the next screen (shown in Figure 5-30). Figure 5-30 2. Enter the User Name of the LAN device c onnected to the Router.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 43 Figure 5-31 Click the Add button, and you can configure t he QoS on the next screen (shown in Figure 5-32).
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 44 Figure 5-32 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-W8900GB 54M Wireless ADSL2+ Router User Guide 45 Figure 5-33 5.4.6.1. Default Gateway Choose “ Ad vanced Setup ” Æ “ Routing ” Æ “ Defau lt Gatewa y ”, you can see the Default Gateway screen, this screen allows you to configure the default gateway (shown in Figure 5- 34).
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 46 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-W8900GB 54M Wireless ADSL2+ Router User Guide 47 2. Enter the following data: ¾ Destination Network Address: The Destination Network Address is the address of the network or host that you want to assign to a static route.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 48 5.4.7 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 5-38). It includes DNS Serve r and Dynamic DNS submenus.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 49 ) Note: You have to reboot the Router to make the new configuration take effect. 5.4.7.2. Dynamic DNS Choose “ Ad vanced Setup ” 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 5-40).
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 50 Figure 5-41 ) 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-W8900GB 54M Wireless ADSL2+ Router User Guide 51 Figure 5-42 You can select the modulation type, phone line pair and the capabilit y of Bitswap or SRA.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 52 Figure 5-43 Click the Add/Edit button, and then you can configure the Port Mapping in the next screen (shown in Figure 5-44). After you confi gure the settings, click the Save/Appl y button to save it.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 53 Figure 5-44.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 54 5.5 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-W8900GB 54M Wireless ADSL2+ Router User Guide 55 ¾ Region: Restrict the channel set and transmit power. Click " Apply " to configure the basic wireless options. 5.5.2 Wireless – Security Choose “ Wireless ” Æ ” Security ”, you will see the screen of Wireless-Security settings shown as below.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 56 Figure 5-47 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-W8900GB 54M Wireless ADSL2+ Router User Guide 57 3. In Network key 1 list, enter 5 ASCII c haracters or 10 hexadecim al digits for 64-bit 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.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 58 Figure 5-49 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-W8900GB 54M Wireless ADSL2+ Router User Guide 59 Figure 5-50 5.5.2.3. 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 5-51 ¾ WPA Pre-Shared Key: Enter the key shared by the Router and your other network devices.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 60 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 5-52 ) Note: If you click the option “ Click here to display ”, the Figure 5-53 will pop-up, and it shows the password yo u have set.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 61 Figure 5-54 5.5.2.5. 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-W8900GB 54M Wireless ADSL2+ Router User Guide 62 Figure 5-56 5.5.2.7. 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-W8900GB 54M Wireless ADSL2+ Router User Guide 63 Figure 5-58 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-W8900GB 54M Wireless ADSL2+ Router User Guide 64 Figure 5-60 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-W8900GB 54M Wireless ADSL2+ Router User Guide 65 the Router. 5.5.5 Wireless – Statistics Choose “ Wireless ” Æ ” Statistics ”, you will see the screen of Wireless-Statistics setting shown as below. Figure 5-61 This page shows authenticated wirele ss stations and their status.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 66 5.7 Management Choose “ Management ”, there are six submenus under the main menu. They are Settings , System Log , TR-069 client , Internet Time , Access Control , Update Software and Reboot . Click any of them, and you will be able to configure the corre sponding function.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 67 Figure 5-65 2. Click the Save button, and save the file as the appointed file (shown in Figure 5-66).
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 68 Figure 5-67 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-W8900GB 54M Wireless ADSL2+ Router User Guide 69 Figure 5-69 T o View the System Log: Click the Vie w System Log button, you will see the screen (shown in Figure 5-70) which displays the Route r ’s recent logs. Figure 5-70 ¾ Refresh: Click the button, the informati on in the table will be updated.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 70 Figure 5-71 ¾ Disable/Enable: Select the Enable to log the events, if you don’t want to log these event s, 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-W8900GB 54M Wireless ADSL2+ Router User Guide 71 Figure 5-72 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-W8900GB 54M Wireless ADSL2+ Router User Guide 72 Figure 5-73 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-W8900GB 54M Wireless ADSL2+ Router User Guide 73 5.7.5 Access Control This section provides three submenus including Services , Addresses and Passw ord (shown i n Figure 5-74), the detailed descriptions are provided below.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 74 screen, this screen (shown in Figure 5-76) allows you to conf igure the IP Address for managing the Router. Figure 5-76 To add the IP Address: 1. Click the Add button. You can add a new IP Address in the next screen (shown in Figure 5-77 ).
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 75 Figure 5-78) which allows you to change t he factory default password of the Router. Figure 5-78 To change the password: 1. Enter the Old Password in the text box. 2. Enter the Ne w Pas s wo rd and Confirm Pass w ord .
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 76 ¾ Up date Sof tware: After you have selected the latest sof t ware, click the button. To update the Router's software: 1. Downl oad the latest software upgrade file from the TP-LINK website ( www.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 77 Chapter 6. Appendix Appendix A: Glossary Access Point - A device that allows wireless-equipped computers and other devices to communicate with a wired network. Also us ed to expand the range of a wireless network.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 78 Ethernet - IEEE standard network protocol that specifies how data is placed on and retrieved from a common transmission medium. 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.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 79 adapters. PPPoE ( P oint to P oint P rotocol o ver E thernet) - PPPoE stands for Point to Point protocol over Ethernet, this protocol is used as a type of broadband connection that provides authentication (username and password) in addition to data transport.
TD-W8900GB 54M Wireless ADSL2+ Router User Guide 80 VLAN ID (0-4095) - Indicates the ID number of the VLAN being configured. Up to 256 VLANs can be created. 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-W8900GB 54M Wireless ADSL2+ Router User Guide 81 Appendix B: S pecifications Supporting Standards and Protocols ANSI T1.413, ITU G.992.1, IT U G.992.
デバイスTP-Link TD-W8900GB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：
TP-Link TD-W8900GB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TP-Link TD-W8900GB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。TP-Link TD-W8900GB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。TP-Link TD-W8900GB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。
TP-Link TD-W8900GB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TP-Link TD-W8900GB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、TP-Link TD-W8900GB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TP-Link TD-W8900GB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。
