User manual BUFFALO WLA-G54

[. . . ] 54Mbps Wireless Bridge Base Station-g User Manual WLA-G54 INTRODUCTION 1. 1 AirStation 54Mbps Bridge Base Station (WLA-G54)1 This User Manual introduces you to the High-Speed AirStation 54Mbps Bridge Base Station and will assist you with the more advanced features of the product. The AirStation 54Mbps Bridge Base Station , WLA-G54, is a wireless network access point that can be added to an existing network (LAN) to create a wireless network or added to an existing WLAN to extend the range of the WLAN. The WLA-G54 complies with the IEEE 802. 11g wireless standard and is interoperable with the IEEE 802. 11b wireless standard. IEEE 802. 11g technology features longer range than IEEE 802. 11a and greater bandwidth with data rates up to 54 Mbps in the turbo mode. [. . . ] Administrator name - "root", cannot be changed Administrator password - Allows the administrator to enter an administrator password to restrict access to the setting screens. Enter up to eight alphanumeric characters (case sensitive) and confirm password If password is forgotten or misplaced, The WLA-G54 can be returned to all the factory default settings by holding down the INIT button on the back of the unit for three seconds. 4. 3. 3 Time setup Time setup - Enter the current date and time, and click Set. NTP server name - Enter the NTP server name Check Interval - Enter the time interval for time check frequency Time Zone - Select local time zone Click Set. 4. 3. 4 Transfer Packet Condition Displays number of packets sent and received for wired WAN-LAN and wireless LAN traffic. 10 4. 3. 5 PING Test Destination - Enter IP address for test and click OK 4. 3. 6 Log Information Display log info level - Select Error and/or Notify to specify the types of reports to be logged by the AirStation. Log information - Displays recorded logs. 4. 3. 7 Syslog transmitting Select Use or Do not use · Syslog Server - Enter the IP address of the Syslog server. · Log Information Level - Select Error and/or Notify to specify the types of reports to be sent to the Syslog server. · Log Information - Select the specific reports to be sent to the Syslog server. 4. 3. 8 Save/Restore Initialization sets all parameters b 11 4. 3. 9 Initialization/Reboot Initialization sets all parameters back to factory defaults. After initialization, the AirStation must be restarted. 4. 4. 10 Firmware Update Firmware file name - Enter the path and filename for new firmware or select Browse to search for the path. Note: Firmware Updates can only be performed by the recommended Web Browsers below on the Macintosh. OSX - The AirStation can be updated using Netscape v7 or Apple's Safari Web browser v1. 0b2 or later. OS9 - The AirStation can be updated using Netscape v5 or later or Internet Explorer 5. 0 or later. ADDITIONAL INFORMATION Please check the Buffalo Web site for the latest information and any corrections done for this manual. For more information, please consult one of the following: · The on-line help system of your AirStation wireless system - for information about software and driver functionality. · The AirStation website at: http://www. buffalotech. com - for frequently asked questions (FAQ's) and Software Updates. 12 WLA-G54 Specifications Physical Specifications Dimensions (LxWxH) 205 x 170 x 76 mm Weight: 1. 37lbs (620 g) Temperature & Humidity Operation 0¡ to 40¡ C Maximum humidity 80% Transit/Storage 0¡ to 40¡ C maximum humidity 80% (no condensation) Power Characteristics Transmit Mode 1. 1A (Nominal), Power Supply 3. 3 V Regulatory Information A 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 communication equipment. Networking Characteristics Compatibility · IEEE 802. 11 Standard for Wireless LANs (DSSS) · Wi-Fi (Wireless Fidelity) certified by the Wi-Fi Alliance. Host Operating System Microsoft Windows(r) ME/98/NT4. 0/2000/XP, Unix/Linux/ MacOS Media Access Protocol CSMA/CA (Collision Avoidance) with Acknowledgment (ACK) Radio Characteristics (Typical Indoor Ranges) R-F Frequency Band 2. 4 GHz (2400-2483 MHz) 11 selectable sub-channels Modulation Technique Direct Sequence Spread Spectrum · OFDM for High Transmit Rate · CCK for High & Medium Transmit Rate · DQPSK for Standard Transmit Rate · DBPSK for Low Transmit Rate Spreading 11-chip Barker Sequence Bit Error Rate (BER) Better than 10 -5 Nominal Output Power 15 dBm (32mW) Transmit Rate / Range High Speed 54Mbps Standard Speed 20 Mbps Low Speed 1 Mbps Open Office Environment 160 m (525 ft. ) 270 m (885 ft. ) 400 m (1300 ft. ) 550 m (1750 ft. ) Semi-Open Office Environment 50 m (165 ft. ) 70 m (230 ft. ) 90 m (300 ft. ) 115 m (375 ft. ) Closed Office 25 m (80 ft. ) 35 m (115 ft. ) 40 m (130 ft. ) 50 m (165 ft. ) Receiver Sensitivity -69dBm, -72dBm, -77dBm, -81dBm, -85dBm, -88dBm -87dBm -90 dBm -92 dBm (depends on data rate) Delay Spread (at FER of <1%) 65 ns 225 ns 400 ns 500 ns (depends on data rate) · The range of wireless devices can be affected by metal surfaces, solid high-density materials and obstacles in the signal path. · In Open Office environments, clients can "see" each other, i. e. · In Semi-open Office environments, work space is separated by room dividers; client cards are at desktop level. · In Closed Office environments, workspace is separated by floorto-ceiling brick walls. NOTE: The range values listed in Table "Radio Characteristics" are typical distances as measured at Buffalo Technology AirStation laboratories. These values are provided for your guidance but may vary according to the actual radio conditions at the location where the AirStation product is installed. AirStation IEEE 802. 11 Channel Sets The range of the wireless signal is related to the Transmit Rate of the wireless communication. Center Channel ID FCC 1 2412 2 2417 3 2422 4 2427 5 2432 6 2437 7 2442 8 2447 9 2452 10 2457 11 2462 1 1 default channel 13 B Troubleshooting B. 1 Common Troubleshooting Tips B Common Problems: · Out of range, client cannot connect to the AirStation. [. . . ] Subnet Mask: An eight-byte address divided into 4 parts separated by periods. WAN (Wide Area Network): A networking system covering a wide geographical area. WEP (Wired Equivalent Privacy): An encryption method based on 64 or 128bit algorithm. Wi-Fi (Wireless Fidelity): An organization that tests and assures interoperability among WLAN devices. [. . . ]