Buffalo Technology WZR-RS-G54 инструкция обслуживания

User Manual 125* High Speed Mode Wireless Secure Remote Router WZR-RS-G54 www . b u ff a lo te c h . co m Rev B[...]

2 T able of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 05 Installation / Setup . . . . . . . . . . . . . . . . . . . . . . 1 1 Antenna Installation. . . . . . . . . . . . . . . . . . . . . . 13 Standard Settings . . . . . . . . . . . . . . . . . . . . . . . 14 AOSS Setup . . . . . . . . . . . . . . . . . . . . . . .[...]

3 T able of Contents PPTP Client Setup . . . . . . . . . . . . . . . . . . . . 44 PPTP Server Setup . . . . . . . . . . . . . . . . 46 Dynamic DNS Setup. . . . . . . . . . . . . . . . 47 Network Settings. . . . . . . . . . . . . . . . . . . . . 49 Routing Setup . . . . . . . . . . . . . . . . . . . . 49 Address T ranslation . . . . . . . . . . . . [...]

4 T able of Contents Syslog T ransfer . . . . . . . . . . . . . . . . . . . 69 Save/Restore Settings . . . . . . . . . . . . . . 70 Reboot/Reload Settings . . . . . . . . . . . . . 71 Firmware Updates . . . . . . . . . . . . . . . . . 72 AOSS . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Network Service List . . . . . . . . . . . . . . .[...]

5 AirStation 125 High Speed Mode Wireless Cable/DSL Router (WZR-RS-G54) This manual introduces you to the AirStation Cable/DSL Router , and will help you connect to your network quickly . The WZR-RS-G54 router , is a wireless 4-port router network device that complies with the 2.4GHz IEEE 802.1 1g standard specifi cation on wireless LANs. It also [...]

6 • Packet Filtering for eliminating unwanted communications. • SOHO/SMB routing and fi rewall functions provide a safer private networking environment, includ- ing support for MS NetMeeting and MSN-Messenger . • Additional SPI Firewall Functions - DMZ, intrusion detection and notifi cation • Syslog transmits some or all system activities[...]

7 • Buffalo’ s easy web interface confi guration • Broadband router static and dynamic routing methods between W AN and LAN based on updated routing tables. An economical way to bridge multiple networks. • Optional external antennas for boosting range and signal quality . • Buffalo’ s AOSS System for easy , secure wire- less client con[...]

8 •Share broadband access •Share fi les and printers •Bridge between multiple networks and multiple computer platforms •Provide easy and secure access to home or company networks from remote locations System Requirements • Broadband (High-Speed) Internet connection or existing Local area connection • Any Wi-Fi (wireless) compatible com[...]

9 Product Views Power - Lit when the device is powered on. Wireless - Lit when the wireless radio is on. Flashes when wireless traffi c is present. WA N - Lit when connection to Cable/DSL modem is present. Flashes when internet traffi c is present. Diag - Flashes red when performing diagnostic functions. VPN - Lit when a client is connected into [...]

10 About the AirStation CD The AirStation does not require any software to be installed on your computer for confi guration. The AirStation CD contains product documentation, T ightVNC Remote Control Software, and Buffalo’s Client Manager which provides AOSS functionality for any Buffalo client card or any Intel Centrino notebook. It is the poli[...]

11 1. Power down the Cable or DSL modem and the computer which will be used to confi gure the AirStation router . 2. Plug the Cable or DSL ’s LAN Ethernet cable into the AirStation’s W AN port. Initially , you may need to unplug this cable from your computer , hub or other router . 3. Plug the provided Ethernet cable into a LAN port on the Air[...]

12 Introduction Confi guring the AirStation using a standard web browser requires basic wireless confi guration knowledge. Setup includes manual wireless confi guration and basic administrative management. Setup Preparation Make note of the AirStation’s wired MAC address (found on the underside of the WZR-RS-G54). It is also recommended you re[...]

13 The WZR-RS-G54 has two internal antennas. One has a vertical orientation while the other has a horizontal orienta- tion. This setup is ideal because it allows for proper antenna polarization with both desktop and notebook style wireless adapter antennas. However , it may be necessary to increase your range further by installing an external, high[...]

14 Open the Setup Screen • Connect the WZR-RS-G54 according to the wiring instructions in Section 2. • The WZR-RS-G54 has a default LAN IP address of 192.168.12.1 and Subnet Mask of 255.255.255.0. ■ Note: The computer used to confi gure the AirStation should be set to obtain an IP address automatically using a DHCP server . The Quick Setup G[...]

15 Enter ISP information • Click the appropriate button to select the type of broadband access. (Users more experienced in networking may choose to select the Ad- vanced button and skip to Section 4.) • For supplementary tools, use the tabs along the top of the screen. DSL Button Select the appropriate connection method. Automatic IP Assignment[...]

16 Enter IP Address Manually - Enter the IP Address given by the ISP . - Use ‘Enter IP Address Manually’ if the ISP requires use of a static IP address. PPPoE Connection - Enter the PPPoE information provided by the ISP . Manual DSL IP Settings Screen DSL PPPoE Settings Screen Standard Settings[...]

17 CA TV (Cable) Button Select the appropriate connection method. Automatic IP Assignment by ISP - Select ‘Automatic IP Assignment by ISP’ if your ISP’s DHCP server assigns an IP address automatically . Enter IP Address Manually - Select ‘Enter IP Address Manually’ if the ISP requires use of a static IP address. Initial CA TV Settings Scr[...]

18 The IP Address is Acquired Au to mat i cal ly but DNS Server Address is Entered Manually - Select ‘IP address is acquired automatically but DNS server address is entered manually’ if the ISP’s DHCP server supplies an IP address but not DNS server addresses. Line T est T ests the connection to the Internet. Auto IP/ Manual DNS Settings Line[...]

19 Security The Security T ab offers three Simple Security Settings. Follow the in struc tions in each screen to enter Encryption Keys, MAC Address Filter- ing and the degree of fi rewall security for the AirStation. Security T ab Standard Settings[...]

20 Encryption Setup. - Select the desired encryption scheme from the choices. After it has been selected, press the ‘Next’ button. Y ou will then be prompted to enter the appropriate key(s) for that method of encryp- tion. Simple MAC Address Filter. - Select ‘ Enable ’ to use MAC fi lter- ing. See ‘ Page 36’ for more infor- mation on M[...]

21 Applications The Application T ab offers setup for special ap- plications such as games, MS NetMeeting and MSN Messenger . Then follow the on-screen menus to confi gure the AirStation for the applica- tion. Ap pli ca tion Ta b Standard Settings[...]

22 Internet Gaming Setup -Enter the ports (refer to Game documentation) the game runs on, and enter the Local IP Ad- dress of the PC that plays the game. NetMeeting Setup -Enter the IP Address of the PC that will use Netmeeting. MSN Messenger Setup -Refer to the on-screen help for information about Messenger . Standard Settings Although your AirSta[...]

23 AOSS AOSS (AirStation One-T ouch Secure System) is a simple, one-touch setup for connecting wireless clients to an access point while setting up the most secure possible connection. Users no longer need to worry about choosing the proper security protocols, IP addresses, or SSID's. The intelligence of AOSS determines the most optimal connec[...]

24 ◗ Now that the WZR-RS-G54 and wireless client adapter are installed, you can use AOSS to confi gure them. ◗ T o begin the confi guration, press the AOSS button on the side of the WZR-RS-G54 for 3-5 seconds. The orange AOSS light will begin to fl ash rapidly when the AOSS mode has been enabled. Y ou can stop pressing the button at this poi[...]

25 Additional AOSS Information: ◗ Only one AOSS wireless client adapter can be confi gured to the AOSS router at a time. Thus, the button will need to be repressed for each additional AOSS wireless client adapter that will be connected. ◗ It is not necessary to AOSS client devices that have already been confi gured via AOSS, unless signifi c[...]

26 LAN Settings Set up LAN connections. Wireless Settings Wireless Function - Enable or disable wireless LAN computer communication. SSID - Allows administrator to alter the SSID of the AirStation. T o communicate with a specifi c AP only , the AP’s SSID must be entered in the client comput- er . The client computer looks for the specifi c AP ([...]

27 If there are multiple APs in close proximity using the same channel, there may be interference. In this case, change to a non-overlapping channel. Privacy Separator - Enable or disable communication between wireless clients. If you choose to use this feature, every wireless client that is associated to the AirStation will not be able to communic[...]

28 802.1 1g Protection - This enables protection mechanisms for when 802.1 1b clients join the net- work. It enables CTS (Clear-to-Send) DTIM Period - An access point transmits beacon signals to nearby clients at a preset interval. This parameter sets the beacon transmission interval time (1-255 seconds). Se lec tion of a larger num- ber may conser[...]

29 portant to note, that without encryption it is easy for strangers to connect to your network, especially if the AirStation is broadcasting its SSID. Select the type of data encryption: • Disabled - Disable data encryption. - WEP - Uses WEP encryption. Encryption key should be entered. - TKIP - Uses TKIP (T emporal Key Integrity Protocol) for d[...]

30 128-bit HEX: 26 digits, using characters 0-9 and a-f, “20123456789abcdeabcdeabcde” TKIP - TKIP (T emporal Key Integrity Protocol) is a WEP expanded encryption technique. TKIP has greatly improved WEP’s weaknesses by rotating secret keys between every packet. TKIP uses WP A-PSK (pre-Shared Key). Characteristics: - The Initialization V ector[...]

31 IEEE802.1x/EAP authentication (WP A) - Confi gure Authentication and WP A Settings. Disable - Do not use any RADIUS Server based authentication. Enable - Authorized clients access this AirStation via a RADIUS Server . Use 802.1x/EAP to authorize every wireless client who wants to access the AirStation by using 802.1x/EAP and a RADIUS Server . T[...]

32 LAN Port Set the LAN side Ethernet settings. LAN Side IP Address - Allows ad min is tra tor to specify a static IP and Subnet Mask for the LAN side of the AirStation. ■ Note: If the AirStation’s IP address is changed, the con- fi guring computer ’s IP must be changed to the same range to continue confi guration. If the LAN IP is changed,[...]

33 DHCP Server Allows a more advanced con- fi guration of the DHCP server functions. DHCP Server Function - Al- lows ad min is tra tor to enable/ disable the DHCP server func- tion for the AirStation LAN side. Select Use to enable or Do not use to disable this function. If the DHCP service is enabled, wireless and wired clients may receive IP addr[...]

34 Lease duration - Specifi es the time in hours (1-999) an assigned IP address is valid. If the client computer does not request a renewal of IP address before the lease period expires, the AirStation can issue the IP to another client computer . Default Gateway - Allows administrator to use the Default Gateway address (the AirStation’s IP addr[...]

35 Manual IP and MAC Address As sign ment - Allows administra- tor to add additional leased IP addresses tied to a specifi c MAC address. When a specifi c MAC address connects to the AP , the IP address specifi ed will be given to that client. Display/Delete lease informa- tion - List of IP addresses, MAC addresses, lease periods and status is d[...]

36 Wireless MAC Filter Wireless PC’ s Connection - Select Enable to restrict wireless connections to the registered adapters in the list. Select Disable to disable MAC address fi ltering. Press the Preset button to enter the MAC Address registration menus. This is where MAC Addresses can be assigned and deleted. Wireless MAC Filter Advanced Sett[...]

37 Registration for MAC Ad- dresses - MAC access restriction set up in LAN. Input the MAC addresses that are allowed to communicate with the AirStation. MAC address list - Displays a table list of all MAC addresses allowed to communicate with the AirStation. Advanced Settings Register for Allowable PC’s MAC Address[...]

38 Wireless Bridge (WDS) The Wireless Distribution System supports peer-to-peer AP communication. Wireless Bridge (WDS) Func- tion - Select Enable to allow Bridge (WDS) mode between AirStations or Disable to block communication between AirStations. Wireless Bridge (WDS) dedi- cated mode - Select Enable to restrict wireless computer com- munication [...]

39 T o enable WDS, set the Wire- less Bridge (WDS) function to Enable . Enter the Wireless MAC address of the AirStation to communicate with in the form of two characters separated by a colon and click Add . MAC Address Ex: 00:00:00:00:00:00 Up to six AirStation MAC ad- dresses may be registered. Click Apply under Wireless Bridge (WDS) settings whe[...]

40 W AN Settings W AN Port Wired WAN P e r formance - Select port speed and type of duplex connecting to the W AN port. If unknown, select Auto negotiation. MAC Address of W AN - Set the AirStation MAC address to be used for W AN com mu ni c- a tion. Some ISP’s may require you to set the MAC Address of W AN to be the same MAC address of your cabl[...]

41 PPPoE Setting (for enabling PPPoE Client function) - Allows administrator to use PPPoE as specifi ed by the ISP . The following parameters should be entered for PPPoE Settings: Name of Connection - Enter the name of your connection. User Name - Enter the user name (up to 64 alphanumeric characters) for PPPoE au tho ri za tion. Password - Enter [...]

42 Authorization - Authorization method for accessing the ISP’s PPPoE server . If unknown, select Auto authorization. MTU (Maximum Transmit Unit) Size - Maximum T ransmit Unit (578-1492) when using PPPoE. MRU (Maximum Receive Unit) Size - Maximum Receive Unit (578-1492) when using PPPoE. Keep Alive - Enables the PPPoE client to send a Link Contro[...]

43 W AN Network W AN side (Internet) parameters. These settings are generally not required if your ISP is providing DHCP services. In this case these fi elds can be left blank if desired. Host Name - Enter the host name as desired. Default Gateway - A default gateway IP should be assigned to the AirStation. If unknown, leave blank. If Auto IP as s[...]

44 PPTP Client This feature allows remote users to establish a PPTP VPN ses- sion to share resources betwenn networks in a secure environment. Y ou will need to have an account and have permission from the network administrator to connect as a PPTP client. Select ‘Enable’ to turn the PPTP client on. Input the IP address of the VPN Server as wel[...]

45 Connecting PPTP Networks: For routing information to be accurate, you will be required to specify the routes of the VPN server ’s network you are connecting to. This information will need to be supplied by the network administrator of the network in which you are connecting. Advanced Settings Routes should be added respecting sub- nets. For in[...]

46 PPTP Server Please refer to the on screen help balloons by clicking on the ‘Question Mark’ icons next to each respective setting. For detailed setup information please see the specifi c Quick Setup Guide for setting up your VPN Server . The Quick Setup Guide for setting up your VPN Server was included in your product’s original packaging.[...]

47 Advanced Settings Dynamic DNS Dynamic DNS is one of the most effective ways of being able to locate your network from anywhere on the internet anytime. T raditionally , IP Ad- dresses and network informa- tion from your ISP change from time to time. When this change happens you can no longer access your network by IP Address. Dynamic DNS is soft[...]

48 Host Name - Input the domain host name set on the dynamic DNS server . For example: if the domain you wish to use is [buffalo.dyndns.org] then the host name would be buf falo. The host name may be 64 alphanumerical characters including hypens. Domain Name - Input the domain name set on the Dynamic DNS server . If the domain you wish to use is [b[...]

49 Network Settings Routing Setup RIP transmission to W AN - Allows RIP transmission or None (no RIP) to W AN RIP reception from W AN - Allows RIP reception or None (no RIP) from W AN RIP transmission to LAN - Allows RIP transmission or None (no RIP) to LAN RIP reception from LAN - Allows RIP reception or None (no RIP) from LAN RIP transmission to [...]

50 Click Add Route to Add a Routing T able Entry • Destination address - Net- work IP address and subnet mask. • Gateway - Address through which the packet passes be- fore it reaches the des ti na tion address. • Metric - Number of routers (1-15) to be passed before the packet reaches its destination. Add Routing T able Entry Advanced Setting[...]

51 Address T ranslation Address T ranslation - Select Enable or Disable . Address T ranslation must be enabled for client computers to con- nect to the Internet. Selecting Enable enables the following functions: • IP Masquerade - When the LAN computer connects to the W AN side, the IP address of LAN computer is dynamically translated to become th[...]

52 IP Address of DMZ - Allows administrator to set the DMZ (De-Militarized Zone) address. Incoming packets containing no recognizable destination port information will be re di rect ed to the DMZ’s IP address. Display/Delete NA T T able - Allows ad min is tra tor to delete NA T tables. Add NA T T able Group - Specify a group (up to 16 characters)[...]

53 Some network applications (online games or streaming software) require adding Address T ransla- tion tables; consult the software’s documentation for port information). Protocol (W AN): • All - Selects all IP protocols. • ICMP - Network Diagnostic Protocol (1). • Manual - Specify the protocol number (0-65535). • TCP/UDP - Enter port nu[...]

54 Packet Filter Log Output - Select Output to activate the packet fi lter log. Packet Filter Information Basic Rule - Click add/delete basic rules. Place a check mark next to the basic rule to enable: • Prohibit setup from wire- less LAN - Prohibits adminis- tration from a wireless com- puter . • Prohibit setup from wired LAN - Prohibits admi[...]

55 Use this fi lter when the commu- nication speed goes down using a network application like E-mail, FTP and WEB. * If IDENT requests are for- warded to a LAN side client by address translation setting (DMZ or TCP port :1 13 ), this basic rule is ignored. Basic Filter Setting Advanced Settings[...]

56 IP Filter Settings - Limits the type of packets allowed to pass between the W AN and LAN. The maximum number of rules is 32. • Operation - Packets from W AN (or LAN), select ignored, rejected , or accepted . Select the operation to be performed on the packets. Packets from: • W AN side - packets coming from the W AN side will be fi ltered. [...]

57 no longer have access to the AirStation confi guration screens. This function prohibits setup from a wireless or wired computer . The AirStation can be returned to the factory default settings by holding down the INIT button on the back of the unit for fi ve seconds or until the red DIAG light becomes solid. Protocol - Mark and select a speci?[...]

58 ■ Note: If confi guring from a wireless computer , add your MAC address to the list of au tho rized wireless LAN PCs. The MAC address must be in two-digit groups separated by colons. Example: 00:40:26:00:1 1:22 Click Apply when settings are complete. Advanced Settings[...]

59 Intrusion Detector The Intrusion Detector watch guards and prevents unauthorized access from the W AN (Internet) This function also records information on unauthorized access attempts Intrusion Detector - Select Do not use , Use or Use (Apply Packet fi lter setting for Intrusion Detector set- ting) . IP Spoofi ng - Check Block to prevent IP sp[...]

60 • Sender email server address - Enter the SMTP Server address. • Receiving email server au tho ri za tion - Enter the POP3 Server address, User name and Password. This is only required if your SMTP server requires POP verifi cation before it allows email to be sent. Consult your ISP or mail server support for more information. • Send test[...]

61 UPnP Select Enable to enable UPnP (Universal Plug and Play). When a computer with UPnP support connects to the AirStation, that computer auto- matically receives confi guration information from the AirStation. Advanced Settings UPnP Setting[...]

62 Management - System Information System information of the AirStation is obtained here. • Model name - Displays model and fi rmware version • AirStation Name - Displays AirStation host name • DHCP Server function - Displays On or Off • Wireless - Displays the wireless LAN settings such as wireless MAC address and wireless fi rmware. The[...]

63 • W AN side IP address auto acquisition - This is the method to acquire the IP address from the W AN (Internet) side DHCP server . Press Release to release current DHCP W AN information. Press Renew to obtain W AN information from the DHCP server . NOTE: If a manual IP is assigned to the W AN port, this feature is not displayed. Change Passwor[...]

64 Time setup Time setup - Enter the current date and time, and click Set. NTP - Net- work T ime Protocol. Select Use or Do not use. ■ Note: If NTP is used, time is set au to mat i cal ly . NTP server name - Enter the NTP server name Update Time - Enter the time interval (in hours) for the time check frequency Time Zone - Select local time zone C[...]

65 Packet T raffi c Information Displays number of packets sent and received for: Wired W AN Wired LAN Wireless LAN Click Refresh to start update the transfer packet log. Advanced Settings Packet T raf- fi c Informa- tion[...]

66 Client Monitor Displays the wired and wireless clients (computers) that are accessing the AirStation. • MAC address - Shows the client’s MAC address. • IP Address and Medium - Shows the IP address that is assigned to the client from the DHCP server . The network medium is indicated as wireless or wired depending on how the client is access[...]

67 PING T est Performs a PING test from the AirStation to a LAN or W AN address. Enter the target IP address and click OK (e.g. 192.168.1 1.2 - OR- www .buffalotech.com ) If the test results in an error , then verify you correctly inputted the address and check your connections. Advanced Settings PING Test[...]

68 Log Information Display log info level - Select Error and/or Notify to spec- ify the types of reports to be logged by the AirStation. Display log info - Select the specifi c reports to be logged. Log information - Displays recorded logs. Advanced Settings Log Information Screen[...]

69 Syslog T ransfer Select Use or Do not use to enable or disable the AirStation’s ability to transmit information to a Syslog server . • Syslog Server - Enter the IP address of the Syslog server . • Log Information Level - Select Error and/or Notice to specify the types of reports to be sent to the Syslog server . • Log Information - Selec[...]

70 Save/Restore Settings Save current settings - Click Save to open the fi le saving dialog and save the current AirStation settings to a fi le. Restored saved settings - Restores settings from a fi le that has been saved. Click Choose fi le to select the saved fi le and click Restore . ■ Note: If the setting fi le is saved by a newer fi r[...]

71 Reboot/Reload Defaults Click Restart to reboot AirStation Click Restore to reset the AirStation to default factory settings. ■ Note: Resetting to default factory settings will erase all settings and passwords previously entered. The AirStation will return to the condition it was in when fi rst purchased. Advanced Settings Initialization/ Rebo[...]

72 Firmware Update Firmware fi le name - Click Browse to browse to the path and fi lename for the new fi rmware. Click Firmware Update to load fi rmware to the AirStation. ■ Note: Firmware update does not erase current user settings. It does however delete all of the service information from the Network Service List; you will need to perform [...]

73 AOSS Client T able - Displays the clients connected via AOSS. The ‘Disconnect’ button disconnects the client from the AOSS router by using MAC Address fi ltering. Once disconnected, the client will still appear in the client list but will appear as disconnected. The client can then be re-enabled by pressing the ‘Re-Enable’ but- ton. A s[...]

74 Manually specify the encryp- tion type - This forces AOSS to use a specifi ed type of encryp- tion. It is recommended to not change this setting. If the setting is changed then every client that connects must have support for that encryption type. AOSS Function - Click Enable to allow the AirStation to use AOSS function. Click Disable to shut o[...]

75 Network Service List Network Service List The Network Service List is the control center for your network. From within your LAN or from anywhere in the world with a VPN connection (See VPN Quick Setup Guide) you can access this control center . From this control center you can access convenient and easy to use services including: File Sharing, R[...]

76 Network Service List For easier access to the Network Service List, the Dynamic DNS hostname can be used for access to the AirStation. However , for this to occur the ‘Remote Management Port Number ’ must be confi gured on ‘Page 43’ . By entering the value ‘80’ into the ‘Remote Management Port Number ’ the Network Service List c[...]

77 File & Printer Sharing - Audio/V ideo Playback After clicking on the Shared Files icon you will see the available shared fi les and printers. Printing: T o print you can right click on a shared printer and press the ‘Connect’ button to install it as a printer on your computer . Y ou can also drag a document, image, or text fi le direct[...]

78 Remote Control - T ightVNC Installing TightVNC Software for the Desktop: Installing T ightVNC is very easy , just insert the CD-ROM that came with your AirStation product and install the software. The on-screen menus will guide you through the setup process. Non-Windows Platforms: T ightVNC utilizes the open-source VNC standard, thus any VNC sof[...]

79 Remote Control - T ightVNC Once you click on the ‘VNC Remote’ link you will be prompted for a pass- word. If a password was not set during the installation, then this step may not occur . Enter the password and press the ‘OK’ button. It is recommended to change the remote PC’s desktop size to 800x600 for the best viewing experience. Th[...]

80 Remote Control - T ightVNC There is a T ightVNC client available on the CD-ROM that came with your AirStation. It provides more confi guration options including screen scaling. If it is used, the client will have to be launched after the VPN session is created. After it is launched the IP Address will have to be entered manually into the softwa[...]

81 Additional Information For more information, please consult: • The AirStation website at: http://www .buffalotech.com - for frequently asked questions (F AQ’s) and Software Updates. WZR-RS-G54 BASE ST A TION SPECIFICA TIONS Physical Specifi cations Dimensions W3 x H6.75 x D6.1in. (76 x 171 x 155mm) Weight 1 lb. (620g) T emperature & Hum[...]

82 Regulatory Information Wireless communication is often subject to local radio regulations. Although AirStation wireless networking products have been designed for operation in the license-free 2.4 GHz band, local radio regulations may impose limitations on the use of wireless com mu ni ca tion equipment. Networking Characteristics Compatibility [...]

83 Modulation T echnique Direct Sequence Spread Spectrum • ODFM for High T ransmit Rate • DQPSK for Standard T ransmit Rate • DBPSK for Low T ransmit Rate Spreading 1 1-chip Barker Sequence Nominal Output Power 13.5 dBm T ransmit Rate / Range High Speed 54 Mbps (125 Mbps in 125 High Speed Mode) Medium Speed 36 Mbps (96 Mbps in 125 High Speed [...]

84 400 m (1300 ft.) 550 m (1750 ft.) Semi-Open Offi ce Environment 50 m (165 ft.) 70 m (230 ft.) 90 m (300 ft.) 1 15 m (375 ft.) Closed Offi ce 25 m (80 ft.) 35 m (1 15 ft.) 40 m (130 ft.) 50 m (165 ft.) Receiver Sensitivity -83 dBm -87 dBm -91 dBm -94 dBm (depends on data rate) Delay Spread (at FER of <1%) 65 ns 225 ns 400 ns 500 ns (depends [...]

85 T able “Radio Characteristics” lists the typical ranges when used indoors: • In Open Offi ce environments, clients can “see” each other , i.e. there are no physical obstruc- tions between them. • In Semi-open Offi ce environments, work space is separated by room dividers; client cards are at desktop level. • In Closed Offi ce en[...]

86 Common Problems: • Out of range, client cannot connect to the AirStation. • Confi guration mismatch, client cannot connect to the AirStation. • Absence or confl ict with the Client Driver . • Confl ict of another device with the AirStation hardware. B.1.1 LED Activity B Monitoring LED activity helps identify problems. • Power LED sh[...]

87 T able B.1.1 DIAG LED Activity T able DIAG LED Display Time Description/Action Continuous Red Starting RAM Error Red fl ash, 2 times Starting Flash ROM Error Red fl ash, 3 times Starting A problem on the wired LAN side Red fl ash, 4 times Starting A problem on the wireless LAN side B. 1.2 LEDs Work But Client PC Cannot Connect to Network If t[...]

88 • If the wireless adapter protocol is not yet installed, click the Add button and select the TCP/IP protocol from the list. Refer to Windows Help for more information. • If the wireless adapter protocol is installed, select the protocol and click the Properties button. V erify the parameters match the settings provided by your LAN Administra[...]

89 Troubleshooting WDS (Step-by-Step Instructions) The most common issue with WDS installations is using the wrong MAC address. The proper MAC Ad- dress for the access points is the ‘Wireless MAC Address’. The best place to document this is under the ‘System Information’ section of the confi guration web page. For proper setup, please cont[...]

90 The following is a list of good practices with WDS: 1. Start the wireless bridge system with only two access points and then add more access points. 2. Setup all access points in the wireless bridge in close proximity before they are deployed to their proper location. 3. Only one access point in the wireless bridge should be serving DHCP and rou[...]

91 5. Click on the ‘LAN port’ link on the left. 6. Check that the ‘LAN side IP address’ values are correct for your network, or leave them as default. Record the ‘LAN side IP address’. Press the ‘Set’ button if any settings on this page have been set. 7. Click on the ‘Management’ link on the left. 8. The System Information page [...]

92 15. Click on the ‘Wireless bridge (WDS)’ link on the left. 16. Enable the WDS function and press the ‘Set’ button. 17. Enter the Wireless MAC Address of the fi rst access point (which was recorded on Step 8) into the fi eld that say ‘MAC Address of AirStation(Wireless)’ (include the :’ s). Press the ‘Add’ button. 18. The Wire[...]

93 29. At the top of the page, press the ‘Apply’ button. 30. Once the router has rebooted, click on the ‘Management’ tab on the left. 31. Click on the ‘PING test’ link on the left. 32. In the ‘Destination’ fi eld enter the IP address of the second access point and press the ‘OK’ button. a. If the ‘Result’ section of the tab[...]

94 10BaseT or 100BaseTx: 802.3 based Ether- net network that uses UTP (Unshielded twisted pair) cable and a star topology . 10 is 10 Mbps and 100 is 100 Mbps. 802.1x: The standard for wireless LAN authenti- cation used between an AP and a client. 802.1x with EAP will initiate key handling. Ad-Hoc Network: The wireless network based on a peer-to-pee[...]

95 Driver: Software that interfaces a computer with a specifi c hardware device. DSSS (Direct Sequence Spread Spectrum): Method of spreading a wireless signal into wide frequency bandwidth. DTE (Data T erminal Equipment): Device that con10BaseT or 100BaseTx: 802.3 based Ethernet network that uses UTP (Unshielded twisted pair) cable and a star topo[...]

96 IP (Internet Protocol) Address: A unique 32- binary-digit number that identifi es each sender or receiver of information sent in packets. Infrastructure: A wireless network or other small network in which the wireless network devices are made a part of the network through the Access Point. ISP (Internet Service Provider): A company that provide[...]

97 mation between computers. RADIUS (Remote Authentication Dial In User Service): A server that issues authentication key to clients. RAM (Random Access Memory): Non-permanent memory . Repeater Hub: A device that collects, strengthens and transmits information to all connected devices, allowing the network to be extended to accommo- date additional[...]

98 Script: A macro or batch fi le containing instruc- tions and used by a computer to perform a task. Server: Any computer that makes fi les or peripheral devices available to users of the network and has a resident Network OS. SMTP (Simple Mail T ransfer Protocol): The protocol used to defi ne and deliver electronic mail (E-mail) from one locat[...]

99 W AN (Wide Area Network): A networking sys- tem covering a wide geographical area. WEP (Wired Equivalent Privacy): An encryp- tion method based on 64 or 128-bit algorithm. Web Browser: A software program that allows viewing of web pages. Wi-Fi (Wireless Fidelity): An organization that tests and assures interoperability among WLAN devices. Wire S[...]

100 Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and c[...]

101 IMPORT ANT NOTE: Federal Communication Commission Interference Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment gene[...]

102 FCC RF Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body . This transmitter must not be co-located or operating in conjunction with any other antenna or[...]

103 Important Notice: This device is a 2.4 GHz wireless LAN transceiver , intended for indoor home and office use in all EU and EFT A member states. Intended use This device is a 2.4 GHz wireless LAN transceiver , intended for indoor home and office use in all EU and EFT A member states. EU Countries intended for use This device is intended for ind[...]

104 Potential restrictive use This device is a 2.4 GHz wireless LAN transceiver , intended for indoor home and office use in all EU and EFT A member states, except in France, Belgium and Italy where restrictive use applies. In Italy the end-user should apply for a license at the national spectrum authorities in order to obtain an authorization to u[...]

105 W arranty Information Buffalo T echnology (Melco Inc.) products comes with a two-year limited warranty from the date of purchase. Buffalo T echnology (Melco Inc.) warrants to the original purchaser the product; good operat- ing condition for the warranty period. This warranty does not include non-Buf falo T echnology (Melco Inc.) installed comp[...]

106 Contact Information ADDRESS Buffalo T echnology (USA), Inc. 4030 West Braker Lane, Suite 120 Austin, TX 78759-5319 GENERAL INQUIRIES Monday through Friday 8:30am-5:30pm CST Direct: 512-794-8533 | T oll-free: 800-456-9799 | Fax: 512-794-8520 | Email: sales@buffalotech. com TECHNICAL SUPPORT North American T echnical Support by phone is available[...]

107 T echnical Support is available 24 hours a day , 7 days a week (USA / Canada) T oll-Free: 866-752-6210 email: info@buffalotech.com ©2004, Buffalo T echnology (USA), Inc. 4030 W . Braker Ln. Suite 120 Austin, T exas 78759 T el: 800-456-9799 Fax: 512-794-8606[...]