BUFFALO 09101669-0 11g Access Point with 11g Access Point Client User Manual WLAG54C Users indd

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Document ID	504329
Application ID	ZAlo2kRR+YKDq1g5BErvrQ==
Document Description	Users manual revised
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	25.67kB (320874 bits)
Date Submitted	2005-01-08 00:00:00
Date Available	2004-12-28 00:00:00
Creation Date	2005-01-05 13:38:39
Producing Software	Adobe PDF Library 6.0
Document Lastmod	2005-01-05 13:39:50
Document Title	WLAG54C_Users.indd
Document Creator	Adobe InDesign CS (3.0.1)

AOSS
Enable/disable AOSS button.
• Enable : Enable A.O.S.S function.
• Disable : Disable A.O.S.S function.Exchange of AOSS. encryption keys can not be used until AOSS is enabled.
Start AOSS Sequence
Functions as an AOSS button on the AirStation unit.
The AirStation starts security key exchange, when the AOSS button is pushed.
The AOSS button is grayed out, when AOSS function is disabled.
Up to 24 clients are allow to connect to the AirStation by AOSS feature.
Stop AOSS
Clear AOSS configuration data.
13
USING AOSS
AOSS (AirStation One-Touch 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 connection and configures itself in seconds.
■ NOTE: AOSS automatically creates a secure connection between your AOSS Access Point and client. You must have a Buffalo
AOSS enabled wireless client device to use the AOSS features of your AOSS Access Point/Router.
The INIT switch initiates AOSS mode now. If you want to restore the factory default settings, hold the INIT switch up to 5 seconds
when turn the unit on.
◗ Configure your WLA2-G54C’s network connection by referring to the above mentioned instructions.
◗ Once the WLA2-G54C has been configured, follow the directions to install your wireless client device and its drivers if necessary.
Certain wireless client adapters require client software to configure them. If your device has a Client Manager, then install it as
well.
■ NOTE: If the wireless client adapter is installed on a PC, then the AOSS client
manager will need to be installed as well. If your wireless client adapter is a standalone
device that does not require a PC, then just power up the device.
Standalone Devices: Ethernet Converters and Access Point Bridges
Client Manager Devices: CardBus, USB, and PCI Adapters.
Standalone
AOSS Device
Client Manager
Device
◗ Now that the WLA2-G54C and wireless client adapter are
installed, you can use AOSS to configure them.
◗ To begin the configuration, press the AOSS button in the WLA2G54C’s configuration. The AOSS menus can be found under the
‘Advanced’ Configuration, Management, AOSS. The status screen
will briefly show that it is in AOSS mode. The WLA2-G54C’s
Wireless Light may turn on and off.
■ NOTE: AOSS mode will stay active for a period of two
minutes. This is the time-slot required to initiate the wireless
client adapter.
◗ Refer to your wireless client adapter’s AOSS supplement to initiate the wireless client adapter’s AOSS mode.
◗ Once the client adapter has begun communicating with the AOSS router, AOSS client will report a successful AOSS connection.
This indicates that the AOSS process has begun and the two devices are configuring themselves. Please refer to your wireless client
adapter’s supplement for the remainder of the setup.
ADDITIONAL AOSS INFORMATION:
◗ Only one AOSS wireless client adapter can be configured to the AOSS access point 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 reconfigure AOSS client devices that have already been configured via AOSS, unless significant changes have
been made to the wireless network.
◗ Do not attempt to configure two separate AOSS networks at the same time, as it may cause undesired configurations.
◗ If an undesired client has connected via AOSS, it can be disconnected from within the WLA2-G54C’s advanced configuration
AOSS menus.
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 our local website indicated last page.
- for frequently asked questions (FAQ’s) and Software Updates.
14
Specifications
90 m (300 ft.)
WLA2-G54C Physical Specifications
115 m (375 ft.)
Dimensions (WxHxD) 56 x 120 x 92 mm
Closed Office
Weight: 0.56lbs (256g)
25 m (80 ft.)
Temperature & Humidity
35 m (115 ft.)
Operation 0 to 40 deg. C
40 m (130 ft.)
Maximum humidity 80%
50 m (165 ft.)
Transit/Storage 0 to 40 deg. C
Receiver Sensitivity -69dBm, -72dBm, -77dBm, -81dBm, -85dBm,
-88dBm -87dBm -90 dBm -92 dBm (depends on data rate)
Maximum humidity 80% (no condensation)
Delay Spread (at FER of <1%) 65 ns 225 ns 400 ns 500 ns (depends
on data rate)
Power Characteristics
Transmit Mode 0.8A (Normal)
• The range of wireless devices can be affected by metal surfaces,
solid high-density materials and obstacles in the signal path.
Power Supply 3.3V
Regulatory Information A
• In Open Office environments, clients can “see” each other, i.e.
there are no physical obstructions between them.
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.
• 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
floor-to-ceiling brick walls.
Networking Characteristics Compatibility
NOTE:
• IEEE 802.11 Standard for Wireless LANs (DSSS)
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.
• Wi-Fi (Wireless Fidelity) certified by the Wi-Fi Alliance.
Host Operating System
Microsoft Windows® ME/98/NT4.0/2000/XP
Media Access Protocol
AirStation IEEE 802.11 Channel Sets
CSMA/CA (Collision Avoidance) with Acknowledgment (ACK)
The range of the wireless signal is related to the Transmit Rate of
the wireless communication. Communications at a lower Transmit
range may travel longer distances.
Radio Characteristics (Typical Indoor Ranges)
R-F Frequency Band 2.4 GHz (2400-2483 MHz)
11 selectable sub-channels
Center Channel ID FCC
1 2412
Modulation Technique Direct Sequence Spread Spectrum
7 2442
• CCK for High & Medium Transmit Rate
2 2417
8 2447
• DQPSK for Standard Transmit Rate
3 2422
9 2452
• DBPSK for Low Transmit Rate
4 2427
10 2457
Spreading 11-chip Barker Sequence
5 2432
11 2462 1
Bit Error Rate (BER) Better than 10 -5
6 2437
1 default channel
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.)
15
B Troubleshooting
provided by your LAN Administrator. Make changes if necessary,
and click OK.
B.1 Common Troubleshooting Tips B
5. When prompted, restart your computer.
Common Problems:
B. 1.3 Other Problems
• Out of range, client cannot connect to the AirStation.
Please refer to our local web site indicated last page.
• Configuration mismatch, client cannot connect to the
AirStation.
• Absence or conflict with the Client Driver.
• Conflict of another device with the AirStation hardware.
B.1.1 LED Activity B
Monitoring LED activity helps identify problems.
- Power LED should be GREEN,
- Wireless LED should be GREEN if the line is active. If is it
blinking GREEN, wireless communication is active.
- Ethernet LED should be GREEN (100Mbps) or AMBER
(10Mbps) while the communication is active.
DIAG LED Activity
Unplug the power for three seconds. Plug the power back in to
monitor the DIAG LEDs during start-up.
Table B.1.1
DIAG LED Activity Table
DIAG LED Display
Action - Description/Cause
Red flash, 3 times
Starting:
A problem in the wired LAN side
Red flash, 4 times
Starting:
A problem in the wireless LAN side
B. 1.2 LEDs Work But Client PC Cannot Connect to Network
If the LEDs indicate that the network is working properly (Power
LED is on,Transmit/Receive LED blinks), check the TCP/IP settings
of the network.
Changing Client TCP/IP Settings in Windows
Consult the LAN Administrator for TCP/IP settings.
To add or change the TCP/IP Settings:
1. On the Windows task bar click Start.
2. Select Settings, then Control Panel.
3. Double-click on the Network icon to view the Network
Properties.
4. From the list of installed components, verify the TCP/IP ->
Buffalo WLI-USB-L11G wireless LAN adapter protocol (or
appropriate wireless LAN adapter) is installed.
• If this 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 this protocol is installed, select this protocol and click the
Properties button. Verify the parameters match the settings
16
Glossary
Hub: A device which allows connection of computers and other
devices to form a LAN.
10BaseT or 100BaseTx: 802.3 based Ethernet network that uses
UTP (Unshielded twisted pair) cable and a star topology. 10 is
10 Mbps and 100 is 100 Mbps.
IEEE (Institute of Electrical and Electronics Engineers): The
professional organization which promotes development of
electronics technology.
802.1x: The standard for wireless LAN authentication used
between an AP and a client. 802.1x with EAP will initiate key
handling.
IP (Internet Protocol) Address: A unique 32-binary-digit number
that identifies each sender or receiver of information sent in
packets.
Ad-Hoc Network:The wireless network based on a peer-to-peer
communications session. Also referred to as AdHoc.
Infrastructure: A wireless network or other small network
in which the wireless network devices are made a part of the
network through the .
Bandwidth: The transmission capacity of a computer or a
communication channel, stated in Megabits per second (Mbps).
ISP (Internet Service Provider): A company that provides access
to the Internet and other related services.
BSS (Basic Service Set): An 802.11 networking framework that
includes an .
IV (Initialization Vector): The header section of a message
packet.
Bus Mastering: A system in which the specified Input/Output
device (e.g. NIC Card) can perform tasks without the intervention
of the CPU.
LAN (Local Area Network): A group of computers and peripheral
devices connected to share resources.
Client: A PC or workstation on a network.
LED (Light Emitting Diode): The lights on a hardware device
representing the activity through the ports.
Default Gateway:The IP Address of either the nearest bridge or
server for the LAN.
Default Parameter: Parameter set by the manufacturer.
MAC (Medium Access Control) Address: A unique number that
distinguishes network cards.
Destination Address: The address portion of a packet that
identifies the intended recipient station.
Mbps (Mega Bits Per Second): A measurement of millions of
bits per second.
DNS (Domain Name System): System used to map readable
machine names into IP addresses
MHz (MegaHertz): One million cycles per second.
Driver: Software that interfaces a computer with a specific
hardware device.
NAT (Network Address Translation): An internet standard that
enables a LAN to use one set of IP addresses for internal traffic
and a second set for external traffic.
DSSS (Direct Sequence Spread Spectrum): Method of spreading
a wireless signal into wide frequency bandwidth.
NIC (Network Interface Card): An expansion card connected to
a computer so the computer can be connected to a network.
DTE (Data Terminal Equipment): Device that controls data
flowing to and from a computer.
Packet: A block of data that is transferred as a single unit, also
called a frame or a block.
Dynamic IP Address: An IP address that is automatically assigned
to a client station in a TCP/IP network, typically by a DHCP
server.
Packet Filtering: Discarding unwanted network traffic based on
its originating address or its type.
Ping (Packet Internet Groper): An Internet utility used to
determine whether a particular IP address is online.
ESS (Extended Service Set): A set of two or more BSSs that form
a single sub-network. SSID is user identification used in the ESS
LAN configuration.
Plug and Play: Hardware that, once installed (“plugged in”), can
immediately be used (“played”), as opposed to hardware that
requires manual configuration.
Ethernet: The most widely used architecture for Local Area
Networks (LANs). It is a shared-media network architecture.
IEEE 802.3/802.3u standard details its functionality.
PoE (Power over Ethernet): A mechanism to send DC power to
a device using a CAT5 Ethernet cable.
Ethernet cable: A wire similar to telephone cable that carries
signals between Ethernet devices.
Protocol: A standard way of exchanging information between
computers.
File and Print Sharing: A Microsoft application that allows
computers on a network to share files and printers.
RADIUS (Remote Authentication Dial In User Service): A server
that issues authentication key to clients.
Firmware: Programming inserted into programmable readonly memory, thus becoming a permanent part of a computing
device.
Repeater Hub: A device that collects, strengthens and transmits
information to all connected devices, allowing the network to be
extended to accommodate additional workstations.
Full-Duplex: To transmit on the same channel in both directions
simultaneously.
RC4: The encryption algorithm that is used in WEP.
Half-duplex:To transmit on the same channel in both directions,
one direction at a time.
17
FCC/CE / R&TTE
RJ-45 connector: An 8-pin connector used between a twisted
pair cable and a data transmission device.
Federal Communication Commission
Interference Statement
Bridge: Device that can connect individual LANs and remote
sites to a server.
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 can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will
not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to
correct the interference by one of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: To assure continued compliance, (example - use only
shielded interface cables when connecting to computer or peripheral
devices). Any changes or modifications not expressly approved by the
party responsible for compliance could void the user’s authority to
operate this equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
IMPORTANT NOTE:
FCC RF Radiation Exposure Statement:
This equipment complies with FCC RF radiation exposure limits set forth
for an uncontrolled environment. This equipment should be installed
and operated with a minimum distance of 20 centimeters between the
radiator and your body.
This transmitter must not be co-located or operating in conjunction
with any other antenna or transmitter.
R&TTE Compliance Statement
This equipment complies with all the requirements of the DIRECTIVE
1999/5/EC OF THE EUROPEAN PARLIAMENT AND THE COUNCIL
of 9 March 1999 on radio equipment and telecommunication terminal
Equipment and the mutual recognition of their conformity (R&TTE).
The R&TTE Directive repeals and replaces in the directive 98/13/EEC
(Telecommunications Terminal Equipment and Satellite Earth Station
Equipment) As of April 8, 2000.
Roaming: The ability to use a wireless device while moving from
one to another without losing the connection.
SMTP (Simple Mail Transfer Protocol): The protocol used to
define and deliver electronic mail (e-mail) from one location to
another.
SNMP (Simple Network Management Protocol: An application
layer protocol that outlines the formal structure for communication
among network devices.
Static IP Address: A permanent IP address is assigned to a
node in a TCP/IP network. Also known as global IP.
Subnet Mask: An eight-byte address divided into 4 parts
separated by periods.
TCP/IP (Transmission Control Protocol/Internet Protocol:
Protocol used by computers when communicating across the
Internet or Intranet.
TKIP (Temporal Key Integrity Protocol): An encryption
method replacing WEP. TKIP uses random IV and frequent key
exchanges.
UDP (User Datagram Protocol): A communication method
(protocol) that offers a limited amount of service when
messages are exchanged between computers in a network.
UDP is used as an alternative to TCP/IP.
Static IP Address: A permanent IP address is assigned to a
node in a TCP/IP network. Also known as global IP.
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.
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.
Europe – EU Declaration of Conformity
This device complies with the essential requirements of the R&TTE
Directive 1999/5/EC. The following test methods have been applied
in order to prove presumption of compliance with the R&TTE
Directive 1999/5/EC:
Wire Speed: The maximum speed at which a given packet
can be transferred using Ethernet and Fast Ethernet standard
specifications.
WLAN (Wireless LAN): A LAN topology using wireless
devices.
◗ EN 60950: 2000
Safety of Information Technology Equipment
WPA (Wi-Fi Protected Access): An encryption method
replacing WEP.
◗ EN 300 328-2 V1.2.1 (2001-12)
Technical requirements for spread-spectrum radio equipment
VPN (Virtual Private Network): A security method to connect
remote LAN users to a corporate LAN system.
◗ EN 301 489-17 V1.1.1 (2000-09)
EMC requirements for spread-spectrum radio equipment.
This product has external antenna jack on the rear panel.
It is a unique connect type.
This is only for specific external antenna provided by
Buffalo.
18
Safety
BUFFALO WARRANTY STATEMENT
This equipment is designed with the utmost care for the safety of
those who install and use it. However, special attention must be paid
to the dangers of electric shock and static electricity when working
with electrical equipment. All guidelines of this manual and of the
computer manufacturer must therefore be allowed at all times to
ensure the safe use of the equipment.
Buffalo products come with a 2-year limited warranty from the date
of purchase.
Buffalo Technology warrants in good operating condition for the
warranty period. This warranty does not include non-Buffalo
Technology installed components. If the Buffalo product malfunctions
during the warranty period, Buffalo Technology will, at its discretion,
repair or replace the product at no charge, provided the product
has not been subjected to misuse, abuse or non-Buffalo Technology
authorized alterations, modifications or repairs. When returning a
product, include your original proof of purchase. Return requests
cannot be processed without proof of purchase. Shipment of returned
product to Buffalo Technology is the responsibility of the purchaser.
All expressed and implied warranties for the Buffalo product line
including, but not limited to, the warranties of merchantability and
fitness for a particular purpose, are limited in duration to the above
period.
Intended use
This device is a 2.4 GHz wireless LAN transceiver, intended for
indoor home and office use in all EU and EFTA member states.
EU Countries intended for use
This device is intended for indoor Home and office use in the
following countries:
Austria, Belgium, Germany, Denmark, Spain, Greece, France, Finland,
Italy, Ireland, Luxembourg, The Netherlands, Portugal, Sweden, United
Kingdom, Cyprus, Czech Republic, Estonia, Hungry, Latvia, Lithuania,
Malta, Poland, Slovak Republic and Slovenia.
Under no circumstances shall Buffalo Technology be liable in any way
to the user for damages, including any lost profits, lost savings or
other incidental or consequential damages arising out of the use of,
or inability to use, the Buffalo products.
The device is also authorised for use in all EFTA member states
Iceland, Liechtenstein, Norway and Switzerland.
Buffalo Technology reserves the right to revise or update its products,
software, or documentation without obligation to notify any individual
or entity.
EU Countries Not intended for use
None.
Important Notice
Please have your proof of purchase receipt to get warranty support.
All defective products shall be returned with a copy of proof of
purchase.
In no event shall Buffalo Technology’s liability exceed the price
paid for the product from direct, indirect, special, incidental, or
consequential damages resulting from the use of the product, its
accompanying software, or its documentation. Buffalo Technology
does not offer refunds for any product.
Potential restrictive use
France: Only channels 10,11,12, and13
Potential restrictive use
This device is a 2.4 GHz wireless LAN transceiver, intended for
indoor home and office use in all EU and EFTA 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 use the
device for setting up outdoor radio links.
In Belgium there is a restriction in outdoor use. The frequency range
in which outdoor operation in Belgium is permitted is 2460 – 2483.5
MHz.
This device may not be used for setting up outdoor radio links in
France. For more information see http://www.anfr.fr/ and/or
http://www.art-telecom.fr
19
MEMO
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MEMO
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MEMO
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PY00-30030-DM20-01
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