D-LinkメーカーDIR-857の使用説明書/サービス説明書
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W ir eless N Quadband HD M edia Router U ser Manual.
i D-Link DIR-857 User Manual D-Link r eserves the right to revi se this publica tion and to make changes in the con ten t hereof without obliga tion to notify an y person or organiza tion of such revisions or changes .
ii D-Link DIR-857 User Manual T able of Contents Prefac e ................................................................................................. i Manual Revisions ............................................................................
iii D-Link DIR-857 User Manual T able of Contents Virtual Ser ver ......................................................................................... 49 P ort Forwarding ...........................................................................
iv D-Link DIR-857 User Manual T able of Contents Tips .................................................................................................................. 112 Wir eless Modes ..............................................................
1 D-Link DIR-857 User Manual Section 1 - Product Over view P roduc t O v er view P ack age C onten ts Note: Using a power supply with a dierent v oltage rating than the one included with the DIR -857 will cause damage and void the w arranty. If any of the above it ems are missing , please contact your reseller .
2 D-Link DIR-857 User Manual Section 1 - Product Over view S y stem Requiremen ts Network Requir ements • An Ethernet-based Cable or DSL modem • IEEE 802.
3 D-Link DIR-857 User Manual Section 1 - Product Over view Introduction T O T AL PERFORMANCE Combines aw ard winning r outer fea tures and 802.11a/n/g wir eless technology to pr ovide the best wireless performance.
4 D-Link DIR-857 User Manual Section 1 - Product Over view • F aster Wir eless Networking - The DIR-857 pro vides up to 900Mbps* wireless connection with other 802.11n wireless clients. This capability allows users to par ticipate in real-time ac tivities online, such as video streaming, online gaming, and real-time audio.
5 D-Link DIR-857 User Manual Section 1 - Product Over view • F astandGuarantee Wir elessStreamingf or VideoQuality- Whether set-top bo x or gaming console streaming med.
6 D-Link DIR-857 User Manual Section 1 - Product Over view Har dwar e O v er view C onnec tions 1 LAN P orts (1-4) Connect Ethernet devices such as computers , switches , and hubs. 2 Internet P or t The auto MDI/MDIX Internet por t is the connection for the Ethernet cable to the cable or DSL modem.
7 D-Link DIR-857 User Manual Section 1 - Product Over view Har dwar e O v er view F ront V iew 1 WPS Button Pr ess this button to add your device to an existing net work or to create a new network .
8 D-Link DIR-857 User Manual Section 1 - Product Over view LEDs 1 P ow er LED A solid light indicates a pr oper connection to the power supply . 2 Internet LED A solid light indicates connec tion on the I nternet por t. This LED blinks during data transmission.
9 D-Link DIR-857 User Manual Section 2 - I nstallation Befor e you Begin Installation This section will walk you through the installation process. Placement of the router is ver y impor tant. Do not place the router in an enclosed area such as a closet, cabinet, or in the attic or garage .
10 D-Link DIR-857 User Manual Section 2 - I nstallation W ireless Installation C onsidera tions The D -Link wireless rout er lets you access your net work using a wireless connection from virtually anywhere within the operating range of your wireless network.
11 D-Link DIR-857 User Manual Section 2 - I nstallation The DIR-857 includes a Quick Router Setup Wizar d CD. Follow the simple steps below to run the S etup Wizard to guide you quickly through the installation process . Inser t the Wizar d CD in the CD-ROM drive.
12 D-Link DIR-857 User Manual Section 3 - Conguration C ongura tion This section will show you how t o congure y our new D-Link wireless router using the w eb-based conguration utility .
13 D-Link DIR-857 User Manual Section 3 - Conguration In order to secure your new networking device , please enter a password and click Ne xt . Please wait while your router detects your internet connection t ype. Pl ea se g iv e y ou r ne tw ork a n am e us in g u p to 3 2 ch ar act er s .
14 D-Link DIR-857 User Manual Section 3 - Conguration Once this screen appears, your setup is complete. Click S ave & Connect to reboot the r outer .
15 D-Link DIR-857 User Manual Section 3 - Conguration W eb-based C ongur ation Utility T o access the congura tion utility , open a web-browser such as Internet Explorer and enter the IP addres s of the rout er (192.168.0.1). Y ou may also connec t using the NetBIOS name in the address bar ( http://dlinkrouter ).
16 D-Link DIR-857 User Manual Section 3 - Conguration Setup W izar d Click I nternet Connection Setup W izard to quick ly congure your router . Sk ip to the next page. If y ou wan t to en t er yo ur se tt in gs wit ho ut ru nn in g th e wi za r d , c li ck Manu al C on g ur ati on and skip to page 15.
17 D-Link DIR-857 User Manual Section 3 - Conguration Click Next to continue . Creat e a new passwor d and then click Next to continue . Select your time zone from the drop-down menu and then click Next to continue . Select the t ype of Internet connection you use and then click Next to continue .
18 D-Link DIR-857 User Manual Section 3 - Conguration If you selec ted Dynamic, you may need to enter the MAC address of the computer that was last connected directly to your modem. I f you are currently using that computer , click Clone Y our PC ’ s MA C Address and then click Ne xt to continue .
19 D-Link DIR-857 User Manual Section 3 - Conguration If you selected L2TP , enter your L2TP username and passw ord. Click N ext to continue . If you selec ted Static, enter your network settings supplied by your I nternet provider . Click Next to continue .
20 D-Link DIR-857 User Manual Section 3 - Conguration Manual C ongur ation Dynamic (C able) Select D ynamic IP (DHCP) to obtain IP Address information automatically from your ISP . Select this option if your ISP does not give you any IP numbers to use .
21 D-Link DIR-857 User Manual Section 3 - Conguration Select PPPoE(Username/P assw ord) from the dr op- down menu. Select Static if your ISP assigned you the IP addr ess, subnet mask, gatewa y , and DNS server addresses. In most cases, select Dynamic .
22 D-Link DIR-857 User Manual Section 3 - Conguration Select Static if your ISP assigned you the IP address, subnet mask, gateway , and DNS server addresses. In most cases, select Dynamic . Enter the IP address (Sta tic PPTP only). Enter the P rimar y and Secondar y DNS Ser ver Addresses (S tatic PPTP only).
23 D-Link DIR-857 User Manual Section 3 - Conguration Select Static if your ISP assigned y ou the IP addr ess, subnet mask, gateway , and DNS server addresses. In most cases, select Dynamic . Enter the L2TP IP address supplied b y your ISP (Static only).
24 D-Link DIR-857 User Manual Section 3 - Conguration Enter the IP address assig ned by your ISP . Enter the Subnet Mask assigned by y our ISP . Enter the Gateway assig ned by your ISP . The DNS server information will be supplied by your ISP (Internet Service Pro vider .
25 D-Link DIR-857 User Manual Section 3 - S oft ware C onguration Another Internet Connection type is DS-Lite. After selecting DS-Lite, the follo wing parameters will be av ailable for c onguration: DS-Lite Congur ation: Select the DS-Lite DHCPv6 Option to let the router allocate the AFTR IPv6 address automatically .
26 D-Link DIR-857 User Manual Section 3 - Conguration W ireless Settings Click W ireless C onnec tion Setup W izard to begin. Skip to page 82. If you want to add your wireless clients to your router using WPS, click Add W ireless Device with WPS and skip to page 75.
27 D-Link DIR-857 User Manual Section 3 - Conguration 802.11n/g (2.4GHz) Check the box to enable the wire less functio n. If you do not want to use wirele ss, unch eck the box to disable all the wir eless functions. Select the time frame that you w ould like y our wireless network enabled .
28 D-Link DIR-857 User Manual Section 3 - Conguration Check the box to enable the wire less functio n. If you do not want to use wirele ss, unch eck the box to disable all the wir eless functions. Select the time frame tha t you would like your wireless network enabled.
29 D-Link DIR-857 User Manual Section 3 - Conguration This section will allow you to change the local network settings of the r outer and to c ongure the DHCP settings . Network Settings Enter the IP address of the r outer . The default IP address is 192.
30 D-Link DIR-857 User Manual Section 3 - Conguration DHCP Ser v er Settings DHCP stands for Dynamic Host Control Protoc ol. The DIR-857 has a built-in DHCP ser ver . T he DHCP S er ver will automatically assign an IP address to the computers on the LAN/private net work.
31 D-Link DIR-857 User Manual Section 3 - Conguration DHCP Reser vation If you want a computer or device to always hav e the same IP address assigned, you can create a DHCP reser vation. The router will assign the IP address only to that c omputer or device .
32 D-Link DIR-857 User Manual Section 3 - Conguration Media S er v er Click Enable Media Ser ver to enable this f eature . Check the Enable Media Ser ver bo x to share y our music, pictures , and videos to an y computer on y our local network.
33 D-Link DIR-857 User Manual Section 3 - Conguration IPv6 I nternet C onnec tion Click IPv6 Int ernet C onnec tion Setup Wizar d t o beg in. Skip to page 29. If you want to congur e your IPv6 Internet Connection manually , click Manual IPv6 Internet Connection Setup and skip to the next page.
34 D-Link DIR-857 User Manual Section 3 - S oft ware C onguration IPv6 I nternet C onnec tion S etup W izard On this page, the user can congur e the IPv6 Connection type.
35 D-Link DIR-857 User Manual Section 3 - S oft ware C onguration Howev er , if the automatic detection fails, the user will be prompt to either T r y again or to click on the Guide me through the IPv6 settings button to initia te the manual continual of the wizard .
36 D-Link DIR-857 User Manual Section 3 - S oft ware C onguration Step 1: C ongure Y our IPv6 Internet Connection There ar e sever al connection types to choose from. If you are unsure of y our connec- tion method, please contact your IPv6 Internet Ser vice P rovider .
37 D-Link DIR-857 User Manual Section 3 - S oft ware C onguration Set Static IPv6 Address C onnec tion This mode is used when your ISP pr ovides y ou with a set IPv6 addresses that does not change . The IPv6 information is manually enter ed in your IPv6 conguration settings .
38 D-Link DIR-857 User Manual Section 3 - S oft ware C onguration T unneling Connection (6rd) After selecting the T unneling Connection (6rd) option, the user can congure the IPv6 6r d connection settings.
39 D-Link DIR-857 User Manual Section 3 - Conguration IPv6 Manual S etup There are several connection t ypes to choose from: Auto D etection, Static IPv6, Autocongura tion (SLAAC/DHCPv6), PPP oE, IPv6 in IPv4 T unnel, 6to4, 6rd , and Link-local .
40 D-Link DIR-857 User Manual Section 3 - Conguration Static IPv6 Select Static IPv6 from the drop- down menu. Enter the address settings supplied b y your Internet provider (ISP). Enter the LAN (local) IPv6 address f or the router . Displays the Router’ s LAN Link-Local A ddress .
41 D-Link DIR-857 User Manual Section 3 - Conguration A utoc ongur ation Select Autocongura tion(Stateless/DHCPv6) from the dr op- down menu. Sele ct eit her Obta in DNS server addr ess aut oma ti call y or Use the follo wi ng DNS Address .
42 D-Link DIR-857 User Manual Section 3 - Conguration PPP oE Select PPPoE from the drop-down menu. Enter the PPP oE accoun t settings supplied by your Internet pro vider (ISP). Select Static if your ISP assigned you the IP addr ess, subnet mask, gat eway , and DNS server addresses.
43 D-Link DIR-857 User Manual Section 3 - Conguration Autoc onguration T ype: IPv6 Address Range Start: IPv6 Address Range End: IPv6 Address Lif etime: Select Stateful (DHCPv6) , SLAAC + RDNSS or SLAA C + Stateless DHCPv6 . Enter the start IPv6 Address for the DHCPv6 range f or your local comput ers.
44 D-Link DIR-857 User Manual Section 3 - Conguration IPv6 in IPv4 T unneling Select IP v6 in IPv4 T unnel from the drop-down menu. Enter the settings supplied by y our Internet provider (ISP). Enter the LAN (local) IPv6 address f or the router . Displays the Router’ s LAN Link-Local A ddress .
45 D-Link DIR-857 User Manual Section 3 - Conguration 6 to 4 T unneling Select 6 to 4 from the drop- down menu. Enter the IPv6 settings supplied by your Internet pr ovider (ISP). Enter the primary and secondar y DNS ser ver addresses. Enter the LAN (local) IPv6 address f or the router .
46 D-Link DIR-857 User Manual Section 3 - Conguration 6rd Select 6rd from the drop-down menu. Enter the address settings supplied b y your Internet provider (ISP). Enter the LAN (local) IPv6 address f or the router . Displays the Router’ s LAN Link-Local A ddress .
47 D-Link DIR-857 User Manual Section 3 - Conguration Select Link-Local Only from the drop- down menu. Displays the IPv6 address of the r outer . My IPv6 Connection: LAN IPv6 Address Settings: Link.
48 D-Link DIR-857 User Manual Section 3 - Conguration P arental C ontr ols Advanc ed DNS: F amilyShield: Par ental C ontrols: None: F aster , more reliable Internet browsing . Includes Advanced DNS and automatic pr otection from malware , phishing, and adult websites .
49 D-Link DIR-857 User Manual Section 3 - Conguration The DIR-857 can be congured as a virtual server so that remote users accessing W eb or FTP services via the public IP address can be automa tically redirected to local servers in the LAN (Local A rea Network).
50 D-Link DIR-857 User Manual Section 3 - Conguration This will allow y ou to open a single port. I f you would like t o open a range of ports, refer t o the next page. E n te r a na me f or t he r ul e or s e le ct a n ap pl ic at io n fr om t h e dr op - d o wn me nu .
51 D-Link DIR-857 User Manual Section 3 - Conguration This will allow y ou to open a single port or a range of por ts. P or t F or warding En te r a na m e f or t he ru le or se l e ct an ap p li ca ti on fr om th e dr op- do wn men u . Se le ct an app li cat io n an d cl ic k << to po p ul a t e th e eld s.
52 D-Link DIR-857 User Manual Section 3 - Conguration Enter a name for the rule. Y ou may select a pre- dened application from the drop-down menu and click << . Thi s is the port use d to trig ger the appl ica ti on. It can be either a single port or a range of por ts.
53 D-Link DIR-857 User Manual Section 3 - Conguration QoS Engine Th e QoS Engi ne opt ion helps impr ov e yo ur netw ork gaming per fo rma nc e by prio riti zin g appl ica tio ns . By defau lt the QoS Engi ne set tin gs ar e enab led . This option is disabled by default.
54 D-Link DIR-857 User Manual Section 3 - Conguration A QoS Engine Rule identies a specic message ow and assigns a priority to that ow . F or most applications , automatic classication will be adequa te, and specic QoS Engine Rules will not be required .
55 D-Link DIR-857 User Manual Section 3 - Conguration Network F ilters Use MA C (Med ia Ac cess Co nt ro l) F ilter s to all ow or deny LAN (L oca l Are a Netw ork ) comp ut ers by thei r MA C addr esses fr om ac ce ssi ng the Netwo rk.
56 D-Link DIR-857 User Manual Section 3 - Conguration A c cess C ontr ol Click the Add Policy button to star t the Ac cess Contr ol Wizard . Add P olic y : The Access Control sec tion allows you to control access in and out of your network.
57 D-Link DIR-857 User Manual Section 3 - Conguration Enter a name f or the policy and then click Next to continue. Select a schedule (I.E. Always) from the drop- down menu and then click Next to continue . Enter the following information and then click Next to continue .
58 D-Link DIR-857 User Manual Section 3 - Conguration Select the ltering method and then click Next to continue. If you selected Appl y Advanc ed Port Filte rs , then enter the rule: Enable - Check to enable the rule. Name - Enter a name f or your rule .
59 D-Link DIR-857 User Manual Section 3 - Conguration W ebsite Filters ar e used to deny LAN comput ers from acc essing specic web sites by the URL or domain. A URL is a specially formatted te xt string that denes a location on the I nternet.
60 D-Link DIR-857 User Manual Section 3 - Conguration Enter a name for the inbound lt er rule. Select Allow or Deny . Check to enable rule. Enter the starting IP address. Enter 0.0.0.0 if you do not want to specify an IP range. Enter the ending IP addre ss.
61 D-Link DIR-857 User Manual Section 3 - Conguration SPI (Stateful P acket Inspec tion, also known as dynamic packet ltering) helps t o preven t cyber attacks by track ing mor e state per session. It validates that the trac passing through the session conforms to the pr otocol .
62 D-Link DIR-857 User Manual Section 3 - Conguration Applica tion L ev el G atew a y C onguration Here you can enable or disable ALG ’ s. Some pr otocols and applications require special handling of the IP payload to make them w ork with network address translation (NA T ).
63 D-Link DIR-857 User Manual Section 3 - Conguration Enter the IP address of packets that will take this r oute . Enter the netmask of the r oute, please not e that the octets must match your destination IP addr ess. Enter your next hop gateway to be taken if this route is used.
64 D-Link DIR-857 User Manual Section 3 - Conguration Set the transmit power of the ant ennas. Beacons are packets sent by a Router to synchronize a wireless network . Specify a value. 100 is the default setting and is recommended . This value should remain at its default setting of 2432.
65 D-Link DIR-857 User Manual Section 3 - Conguration WISH is short fo r Wir ele ss Inte lli gen t Str eam Hand lin g , a techno logy deve lope d to enhan ce your exp erie nc e of using a wire less networ k by priorit izi ng the trac of dier ent applications .
66 D-Link DIR-857 User Manual Section 3 - Conguration W i-F i Pr otected Setup ( WPS) Enable the W i-F i Pr otected Setup feature . Lo cking the wir eless secu rity settings pre ve nts the settings fro m bei ng chan ged by the W i-F i Pr otect ed Setup fea tur e of the rou te r .
67 D-Link DIR-857 User Manual Section 3 - Conguration UPnP Internet Ping Block Internet Port Speed Multicast Streams T o use the Universal Plug and Play (UPnP ™ ) feature click on Enabled . UPNP provides compatibility with network ing equipment, software and peripherals.
68 D-Link DIR-857 User Manual Section 3 - Conguration Guest Zone Check to enable the Guest Zone f eature . The schedule of time when the Guest Zone will be active. The schedule may be set to Always, which will allow the particu lar service to alway s be ena ble d.
69 D-Link DIR-857 User Manual Section 3 - Conguration IPv6 F irewall On this page the user can congure the IPv6 r ewall settings. The rewall settings section is an advance featur e that is used to allo w or deny trac from passing thr ough the device .
70 D-Link DIR-857 User Manual Section 3 - Conguration IPv6 Routing On this page the user can specify custom rout es that determine how data is mo ved ar ound your IPv6 network. Name: Enter the IPv6 routing rule name used her e. Metric: Enter the metric value for this rule her e.
71 D-Link DIR-857 User Manual Section 3 - Conguration A dministr at or Settings This page will allow y ou to change the Administr ator and User passw ords . Y ou can also enable Remote Management. There are two accounts that can access the management interface through the web browser .
72 D-Link DIR-857 User Manual Section 3 - Conguration T ime S ettings Select the T ime Zone fr om the drop-down menu. T o selec t Daylight Saving time manually, selec t enabled or disabled, and enter a start date and an end da te for da ylight saving time.
73 D-Link DIR-857 User Manual Section 3 - Conguration S y sL og The Broadband Router keeps a running log of events and ac tivities occurring on the Router . Y ou may send these logs to a SysL og server on your network. Enable Logging to SysL og Server: SysL og Server IP Address: Check this box to send the r outer logs to a Sy sLog Server .
74 D-Link DIR-857 User Manual Section 3 - Conguration Email Settings The Email fea ture can be used to send the sy stem log les , router alert messages, and rmwar e update notication t o your email addr ess.
75 D-Link DIR-857 User Manual Section 3 - Conguration Use this option to save the current router conguration settings to a le on the hard disk of the computer you are using. First , click the Save button. Y ou will then see a le dialog, where you can select a location and le name for the settings.
76 D-Link DIR-857 User Manual Section 3 - Conguration Clic k on Check Now to nd out if ther e is an update d rmwa re ; if so, do wnload the new rmwar e to your har d drive. After you have down loade d the new rmw are , click Brow se to locate the rmware update on your hard drive.
77 D-Link DIR-857 User Manual Section 3 - Conguration DDNS Th e DDN S f eat ur e al lo ws y ou to ho st a s erv er ( W eb , FTP , Ga me Se rve r , et c…) us in g a do m ai n n am e t ha t yo u h a v e p ur cha se d (www .wh at eve ryo ur na meis .
78 D-Link DIR-857 User Manual Section 3 - Conguration The Ping T est is used to send Ping packets to test if a computer is on the Internet. Ent er the IP A ddress that you wish to Ping , and click Ping . The results of y our ping attempts will be display ed here .
79 D-Link DIR-857 User Manual Section 3 - Conguration Enter a name for y our new schedule. Select a day , a range of days, or All W eek to include ever y day . Check All Day - 24hrs or enter a star t and end time for your schedule. Click S ave to save your schedule.
80 D-Link DIR-857 User Manual Section 3 - Conguration This page display s the current inf ormation for the DIR-857. It will display the LAN, W AN (Internet), and W ireless inf ormation. If your Intern et conne ction is set up for a Dynamic IP addr ess then a Rele ase butt on and a Renew butto n will be displa ye d.
81 D-Link DIR-857 User Manual Section 3 - Conguration L og What to View: View L ev els: Apply Log Settings: Refresh: Clear: Email Now: Save L og: Y ou can selec t the types of messages that you wan t to display from the log. Firewall & Securit y , System, and Router Status messages can be selected.
82 D-Link DIR-857 User Manual Section 3 - Conguration Stats T h e sc r ee n be l o w di spl ay s th e T r a c S t a t i s t i c s . He r e yo u ca n vi e w th e am o un t of pa c k e t s th a t pa s s th r ou g h th e DI R -8 57 on both the I nternet and the LAN por ts.
83 D-Link DIR-857 User Manual Section 3 - Conguration The wireless client table displays a list of current connected wireless clients. T his table also displays the connection time and MAC address of the connected wireless clients .
84 D-Link DIR-857 User Manual Section 3 - Conguration The IPv6 table displays a list of curr ent IPv6 connections. IPv6.
85 D-Link DIR-857 User Manual Section 3 - Conguration Suppor t.
86 D-Link DIR-857 User Manual Section 4 - S ecurity W ireless Securit y This section will show you the dier ent levels of security you can use to protect your data from intruders.
87 D-Link DIR-857 User Manual Section 4 - S ecurity W i-PnP W ireless Setup Wi-P nP allows you to cop y your wireless settings from your r outer to a USB ash drive and use to automatically congure the wireless settings on your Window s® computers .
88 D-Link DIR-857 User Manual Section 4 - S ecurity 7. Click OK to nish adding your c omputer to y our wireless network. 6. Click Y es to add the current computer t o your wir eless network. Repeat step 4-7 to add additional comput ers to your wir eless network.
89 D-Link DIR-857 User Manual Section 4 - S ecurity W ireless Securit y S etup W izard T o run the secur ity wizard, click on Setup at the top and then click Launch W ireless Security Setup Wizard .
90 D-Link DIR-857 User Manual Section 4 - S ecurity The following screen will show you your Pr e -Shared Key to enter on your wireless clients . Click Save t o nish the Security Wizar d. If you selected WP A-En terprise, the RADIUS information will be displa yed .
91 D-Link DIR-857 User Manual Section 4 - S ecurity C ongure WP A-P ersonal (PSK ) It is rec ommended to enable encryption on your wireless router befor e your wireless network adapters. Please establish wireless connectivity before enabling encr yption.
92 D-Link DIR-857 User Manual Section 4 - S ecurity It is rec ommended to enable encryption on your wireless router befor e your wireless network adapters. Please establish wireless connectivity before enabling encr yption. Y our wireless signal may deg rade when enabling encryption due to the added overhead.
93 D-Link DIR-857 User Manual Section 4 - S ecurity 10. Click A dvanc ed to ent er settings for a secondary RADIUS Ser ver . 11. Click A pply Settings to save y our settings.
94 D-Link DIR-857 User Manual Section 4 - S ecurity U sing W indow s ® 7 and WPS f or W ireless C ongura tion The follo wing steps allow y ou to congur e your DIR-857 wir eless network settings using Windows ® 7 thr ough WPS. 1. Click the Start button and selec t Comput er from the Start menu.
95 D-Link DIR-857 User Manual Section 4 - S ecurity 3. Double - click the DIR-857 router . 4. Input the WPS PIN number (display ed in the A dvanced > Wi-F i Protected Setup section in the R outer ’ s W eb UI) and click Next .
96 D-Link DIR-857 User Manual Section 4 - S ecurity 5. T ype a name for your wir eless network. 6. T o congure advanc ed settings, click the icon. Click Next to continue.
97 D-Link DIR-857 User Manual Section 4 - S ecurity C onnec t to a W ireless Netw ork U sing W indow s® 7 It is r ecommended to enable wireless security ( WP A/WP A2) on y our wireless rout er or ac cess point befor e conguring your wireless adapter .
98 D-Link DIR-857 User Manual Section 4 - S ecurity 3. H ighlight the wireless net work (SSID) you would like to connect to and click the Connect button. If you get a good signal but cannot access the I nternet, check your T CP/IP settings for your wireless adapter .
99 D-Link DIR-857 User Manual Section 4 - S ecurity 5. Enter the same security key or passphrase that is on your rout er and click Ok . It may take 20-30 seconds to connect to the wireless net work. If the connec tion fails, please verify that the security settings are correct.
100 D-Link DIR-857 User Manual Section 5 - Connec ting to a Wireless Network U sing W indow s V ista® Win dows V ista users may use the built-in wireles s utility . If you are using another company’ s utility or W indows® 2000, please ref er to the user manual of your wireless adapter for help with connecting to a wireless network.
101 D-Link DIR-857 User Manual Section 5 - Connec ting to a Wireless Network C ongure W ireless Security It is r ecommended to enable wireless security ( WP A/WP A2) on y our wireless rout er or ac cess point befor e conguring your wireless adapter .
102 D-Link DIR-857 User Manual Section 5 - Connec ting to a Wireless Network 3 . Enter the same secur ity key or passphrase that is on your router and click Connect . It may take 20-30 seconds to connect to the wireless network . I f the connec tion fails, please verify that the security settings are correct.
103 D-Link DIR-857 User Manual Section 5 - Connec ting to a Wireless Network U sing W indow s® XP Windo ws XP users may use the built-in wireless utility (Zer o C onguration Utility).
104 D-Link DIR-857 User Manual Section 5 - Connec ting to a Wireless Network C ongure WP A-PSK It is recommended to enable encr yption on your wireless router or access point befor e conguring your wireless adapter . If you are joining an existing network, you will need to know the passphrase being used.
105 D-Link DIR-857 User Manual Section 5 - Connec ting to a Wireless Network 3. The Wireless Network Connection box will appear . Enter the WP A-PSK passphrase and click Connect . It may take 20-30 seconds to connect to the wireless network . I f the connec tion fails, please v erify that the WP A-PSK settings ar e c orrect.
106 D-Link DIR-857 User Manual Section 6 - T roubleshooting T r oubleshooting This chapter provides solutions to problems that can occur during the installation and operation of the DIR-857. R ead the following descriptions if you are having pr oblems.
107 D-Link DIR-857 User Manual Section 6 - T roubleshooting • Congur e your Internet settings: • Go to Star t > Settings > Contr ol Panel . Double - click the I nternet Options Icon. Fr om the Security tab, click the button to restore the settings to their defaults.
108 D-Link DIR-857 User Manual Section 6 - T roubleshooting 3. Why can ’t I connect to certain sites or send and receiv e emails when connecting through m y router? If you are having a problem sendi.
109 D-Link DIR-857 User Manual Section 6 - T roubleshooting Y ou should star t at 1472 and work your way down by 10 each time. Once you get a reply , go up by 2 until you get a fragmented packet. T ake that value and add 28 to the value to accoun t for the v arious TCP/IP headers .
110 D-Link DIR-857 User Manual Appendix A - Wireless Basics D-Link wireless produc ts are based on industr y standards to provide easy-to-use and compatible high-speed wireless connectivity within your home, business or public access wireless networks.
111 D-Link DIR-857 User Manual Appendix A - Wireless Basics How does wireless w ork? Wir eless works similar to how cordless phone w ork, thr ough radio sig nals to transmit data from one point A to poin t B. But wireless t echnology has restrictions as to how you can access the net work.
112 D-Link DIR-857 User Manual Appendix A - Wireless Basics Where is wir eless used? Wir eless technology is expanding every where not just at home or oce. People like the freedom of mobility and it ’ s becoming so popular that more and more public facilities now pr ovide wir eless access to a ttract people.
113 D-Link DIR-857 User Manual Appendix A - Wireless Basics There ar e basically two modes of networking: • Infrastructure – All wireless clients will c onnect to an access point or wir eless router .
114 D-Link DIR-857 User Manual Appendix B - Networking Basics Networking B asics Check y our IP address After you install your new D-Link adapter , by default, the TCP/IP settings should be set to obtain an IP address from a DHCP ser ver (i.e. wireless router) aut omatically .
115 D-Link DIR-857 User Manual Appendix B - Networking Basics Statically Assig n an IP address If you are not using a DHCP capable gatew ay/r outer , or you need to assign a static IP address , please follow the steps below: Step 1 Windo ws® 7 - Click on Start > Contr ol P anel > Network and Int ernet > Network and S haring C enter .
116 D-Link DIR-857 User Manual Appendix C - T echnical Specications T echnical Specications Standards • IEEE 802.11a • IEEE 802.11n • IEEE 802.11g • IEEE 802.3 • IEEE 802.3u • IEEE 802.3ab Security • WP A-P ersonal • WP A2-P ersonal • WP A-Ent erprise • WP A2-Enterprise IEEE802.
117 D-Link DIR-857 User Manual T rademarks: D-Link is a regist ered trademark of D-Link Corporation/D-Link Syst ems, Inc. Other trademarks or regist ered trademarks are the proper ty of their respective owners .
118 D-Link DIR-857 User Manual IMPORT ANT NO TICE: FC C Radiation Exposure Stat ement: This equipment complies with FCC radiation exposure limits set for th for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body .
デバイスD-Link DIR-857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:
D-Link DIR-857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D-Link DIR-857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。D-Link DIR-857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。D-Link DIR-857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。
D-Link DIR-857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D-Link DIR-857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、D-Link DIR-857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D-Link DIR-857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。