BUFFALO 09101538-0 NFINITI Wireless N Router & AP User Manual 2

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Document ID	999024
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Date Submitted	2008-09-10 00:00:00
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Connecting your Wireless Clients
Each of your wireless clients will need your
password to connect to the network.  Click on the
wireless icon in your computer’s systray, or this
message if it pops up.
Any wireless networks available in the area will be
listed as available.  Click on your wireless network
SSID so that it turns blue and the click on Connect
at the bottom right.
21
Connecting your Wireless Clients
Enter your network key (“password”) twice and click
Connect.
Repeat for each Windows XP computer that
connects to your network wirelessly.
Other wireless devices may have different configuration requirements.  Consult their
documentation for instructions on how to enter your network key and connect them to your
wireless network.
22
Connecting to a Preexisting Network
Add an AirStation without changing your existing LAN configuration:
1. Set the AirStation into Access Point Mode by moving the switch from ROUTER to AP.
2. Connect one of the AirStation’s LAN ports to an existing router or switch on your
network.  Nothing should be plugged into the WAN (“Internet”) port.
3. Open LAN Settings - LAN Port Settings and configure the following settings:
IP Address =[192.168.11.137] (Specify an unused network address from the existing
LAN.)
Subnet Mask=[255.255.255.0] (Use the same Subnet Mask as the existing LAN.)
DHCP Server Function=[Disable]
4. Restart PC.
23
Specifications
WHR-G300N AirStation Specifications
Wireless LAN
Standards:  IEEE 802.11n Draft 3.0, IEEE 802.11g, IEEE 802.11b
Frequency Range:  2.412-2.472
Dual Antennas (Internal)
Security: WPA2-PSK, WPA-PSK, WEP, MAC Address Registration
Wired LAN
Standards:  IEEE 802.3u (100 BASE-TX), IEEE 802.3 (10 BASE-T)   
(4) 10/100 Mbps RJ-45 auto-sensing Ethernet ports
(1) 10/100 Mbps RJ-45 WAN port with Dynamic Packet Filtering and NAT/SPI firewall
Temperature & Humidity
Operation 32˚ - 104˚ F, 0˚ - 40˚ C
Maximum humidity 80%
Power Characteristics
Power Supply: 100 - 240V AC Universal, 50/60 Hz.
Power Output: 12V DC
Power Consumption about 20 Watts (Max)
24
Specifications
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 communication
equipment.
Network Compatability
Draft-N support built off of the Draft Specification 3.0 for 802.11n.
IEEE802.11g/b Standard for Wireless LANs.
Host Operating System
Microsoft Windows® 2000/XP/Vista, Unix, Linux and MacOS
Media Access Protocol
Wired - CSMD/CD (Collision Detection)
Wireless - CSMD/CA (Collision Avoidance) with Acknowledgment (ACK)
25
Troubleshooting
Common Problems
•
•
•
•
Out of range, client cannot connect to the AirStation.
Configuration mismatch, client cannot connect to the AirStation.
Absence or conflict with the Client Driver.
Conflict of another device with the AirStation hardware.
LED Activity
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 communication is
active.
• The Red Diag LED will flash during boot and firmware updates.
DIAG LED Activity
Unplug the power for three seconds. Plug the power back in to monitor the Diag LEDs
during start-up.
26
Troubleshooting
DIAG LED Activity Table
DIAG LED Display
Time
Description/Action
Continuous Red
Starting
RAM Error Red flash, 2 times Starting Flash
ROM Error
Red flash, 3 times
Starting
A problem on the wired LAN side
Red flash, 4 times
Starting
A problem on the wireless LAN side
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 correct TCP/IP settings.  
To add or change 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 Network Properties.
4. From the list of installed components, verify the “TCP/IP - wireless LAN adapter”
protocol is installed.
27
Troubleshooting
• 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.  Verify that the parameters match the settings provided by your
LAN Administrator.  Make changes if necessary, and click OK.
5. If prompted, restart your computer.
Other Problems
Please refer to www.buffalotech.com for further reference materials.
28
Glossary
10BaseT:  802.3 based Ethernet network
that uses UTP (Unshielded twisted pair)
cable and a star topology.  10 Mbps data
tansmission speed.
Ad-Hoc Network: A network based on
peer-to-peer communication rather than a
router, switch, or hub.  
Bandwidth:  The transmission capacity of
a computer or a communication channel,
usually stated in Megabits per second
(Mbps).
100BaseT:  802.3 based Ethernet network
that uses UTP (Unshielded twisted pair)
cable and a star topology.  100 Mbps data
tansmission speed.
1000BaseT:  802.3 based Ethernet
network that uses UTP (Unshielded twisted
pair) cable and a star topology.  1000 Mbps
data tansmission speed.
802.1x: The standard for wireless LAN
authentication used between an AP and a
client.  802.1x with EAP will initiate key
handling.
Bridge:  A device which forwards traffic
between network segments with a common
network layer address, based on data link
layer information.
Client:  A PC, workstation, or other device
that connects to a network wirelessly
through an Access Point.
Cross-Over Cable: A UTP cable that has its
transmit and receive pair crossed to allow
communications between two devices.
Access Point:  A hardware device that acts
as a communication hub for Clients (users
of wireless devices) to connect to a wired
LAN.
Default Gateway: The IP Address of either
the nearest router or server for the LAN.
29
Glossary
Destination Address: The address portion
of a packet that identifies the intended
recipient station.
Ethernet: The most widely used
architecture for Local Area Networks
(LANs). It is a shared-media network
architecture. The IEEE 802.3 standard
details its functionality.
DHCP (Dynamic Host Configuration
Protocol): Based on BOOTP, it uses a pool
of IP addresses, which it assigns to each
device connected to it, and retrieves the
address when the device becomes dormant
for a period of time.
Ethernet cable: A wire similar to telephone
cable that carries signals between Ethernet
devices.  It is designed to connect a single
device’s NIC to a router, switch, or hub.  
See also Crossover cable.
DNS (Domain Name System):  System
used to map readable machine names into
IP addresses.
File and Print Sharing: A Microsoft
application that allows computers on a
network to share files and printers.
Driver:  Software that interfaces a
computer with a specific hardware device.
Dynamic IP Address: An IP address that
is automatically assigned to a client station
in a TCP/IP network, typically by a DHCP
server.
30
Firmware: Computer programming
instructions that are stored in a readonly memory unit rather than being
implemented through software.
Frame: A fixed block of data, transmitted
as a single entity.  Also referred to as a
packet.
Glossary
Full-Duplex:  To transmit on the same
channel in both directions simultaneously.
ISP (Internet Service Provider): A
company that provides access to the
Internet and other related services.
Half-duplex: To transmit on the same
channel in both directions, one direction at
a time.
IV (Initialization Vector):  The header
section of an encrypted message packet.
Hub: A device which allows connection
of computers and other devices to form a
LAN.  
LAN (Local Area Network):  A group
of computers and peripheral devices
connected to share resources.
IEEE (Institute of Electrical and
Electronics Engineers):  The professional
organization which promotes development
of electronics technology.  
LED (Light Emitting Diode):  The lights
on a hardware device representing the
activity through the ports.
MAC (Medium Access Control) Address:
The unique number that distinguishes
every network interface card.
IP (Internet Protocol) Address: A unique
32-binary-digit number that identifies each
sender or receiver of information sent in
packets.
Mbps (Mega Bits Per Second): A
measurement of millions of bits per
second.
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.
MDI/X (Media Dependent Interface/
Cross-over):  Port on a network hub or
switch that crosses the incoming transmit
lines with the outgoing receive lines.
31
Glossary
MHz (MegaHertz): One million cycles per
second.
PCMCIA (Personal Computer Memory Card
International Association) Card:  Removable
module that adds features to a portable
computer.
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.
Peer-to-peer: This simple network is formed by
connecting computers directly, without use of
routers or hubs.  A crossover cable is plugged
into an Ethernet port in each computer,
connecting them directly.
NIC (Network Interface Card): An
expansion card connected to a computer
so the computer can be connected to a
network.
Ping (Packet Internet Groper): An Internet
utility used to determine whether a particular
IP address is accessable.
Packet: A block of data that is transferred
as a single unit, also called a frame or a
block.
Plug and Play:  Hardware that, once physically
installed, finishes its installation automatically
and may immediately be used, as opposed
to hardware that requires further manual
configuration.
Packet Filtering: Discarding unwanted
network traffic based on its originating
address or its type.
PCI (Peripheral Component
Interconnect):  A bus that is connected
directly to the CPU.
PoE (Power over Ethernet): A mechanism
to send DC power to a device using a CAT5
Ethernet cable.
32
Glossary
PPPoE (Point-to-Point Protocol over
Ethernet):  A specification for connecting
users on an Ethernet line to the Internet
through a common broadband medium.
ROM (Read Only Memory):  Memory
hardware that allows fast access to
permanently stored data but prevents
addition to or modification of the data.
Protocol:  A standard way of exchanging
information between computers.
Router:  A device in a network that
handles message transfer between
computers.  Similar to a hub, but with
added functionality and efficiency.
RADIUS (Remote Authentication Dial
In User Service):  A server that issues
authentication keys to clients.
Roaming: The ability to use a wireless
device while moving from one access point
to another without losing the connection.
RAM (Random Access Memory):  Nonpermanent memory.
Server:  Any computer that makes files or
peripheral devices available to users of the
network and has a resident Network OS.
Repeater Hub:  A device that collects,
strengthens and transmits information to
all connected devices, allowing the network
to be extended to accommodate additional
workstations.   See also Bridge.
SMTP (Simple Mail Transfer Protocol):
The protocol used to define and deliver
electronic mail (E-mail) from one location
to another.
RC4:  The encryption algorithm used by
WEP.  
RJ-45 connector:  An 8-pin connector
used between a twisted pair cable and a
data transmission device.
33
Glossary
SNMP (Simple Network Management
Protocol: An application layer protocol
that outlines the formal structure for
communication among network devices.
TKIP (Temporal Key Integrity Protocol):
An encryption method replacing WEP.  
TKIP uses random IV and frequent key
exchanges.
Static IP Address: A permanent IP
address is assigned to a node in a TCP/IP
network.  Also known as global IP.  
Topology:  The shape of a LAN (Local Area
Network) or other communications system.
Twisted Pair:  Cable that comprises 2
or more pair of insulated wires twisted
together.
SSID: The “name” of your wireless
network.  You can get it from the Setup
page of the configuration utility.
STP (Shielded Twisted Pair):  Twisted Pair
cable wrapped in a metal sheath to provide
extra protection from external interfering
signals.
Subnet Mask:  An eight-byte address
divided into 4 parts separated by periods.
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.
Uplink: Link to the next level up in a
communication hierarchy.
TCP/IP (Transmission Control Protocol/
Internet Protocol:  Protocol used by
computers when communicating across
the Internet or Intranet.
UTP (Unshielded Twisted Pair) cable:
Two or more unshielded wires twisted
together to form a cable.
34
Glossary
WAN (Wide Area Network):  A networking
system covering a wide geographical area.
WLAN (Wireless LAN):  A LAN topology
using wireless devices.
WEP (Wired Equivalent Privacy): A
security protocol for wireless local area
networks defined in the 802.11b standard,
using a 64 bit or 128 bit key. WEP was
designed to provide the same level of
security as that of a wired LAN. However, it
has been found that WEP is not as secure
as once believed.
VPN (Virtual Private Network): A security
method to connect remote LAN users to a
corporate LAN system.
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 Speed: The maximum speed at
which a given packet can be transferred
using Ethernet and Fast Ethernet standard
specifications.
35
FCC / CE Information
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 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:
Any changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
36
FCC / CE Information
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 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 transmitter.  
The availability of some specific channels and/or operational frequency bands are country
dependent and are firmware programmed at the factory to match the intended destination.
The firmware setting is not accessible by the end user.
Industry Canada statement:
This device complies with RSS-210 of the Industry Canada 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.
37
European Union Notice:
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 conformity
with the essential requirements of the R&TTE Directive 1999/5/EC:
• EN 60950  Product Safety
• EN 300 328  Technical requirement for radio equipment
• EN 301 489-1/-17  General EMC requirements for radio equipment
Safety
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.
38
Intended use
This device is a 2.4 GHz wireless LAN transceiver, intended for indoor home and
office use in USA, Canada, 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, Denmark, France, Finland, Germany, Greece, Italy, Ireland, Luxembourg,
The Netherlands, Portugal, Spain, Sweden, United Kingdom, Cyprus, Czech Republic,
Estonia, Hungry, Latvia, Lithuania, Malta, Poland, Slovak Republic, and Slovenia.
The device is also authorised for use in all EFTA member states Iceland, Liechtenstein,
Norway and Switzerland.
EU countries not intended for use
None
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.
39
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.
In France only channels 10,11,12 and 13 are available.
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
40
Environmental Information
• The equipment that you have purchased has required the extraction and use of natural
resources for its production.
• The equipment may contain hazardous substances that could impact health and the
environment.
• In order to avoid the dissemination of those substances in our environment and to diminish the
pressure on the natural resources, we encourage you to use the appropriate take-back systems.
• The take-back systems will reuse or recycle most of the materials of your end life equipment in
a sound way.
• The crossed-out wheeled bin symbol invites you to use those systems.
• If you need more information on the collection, reuse and recycling systems, please contact
your local or regional waste administration.
41
Warranty Information
Buffalo Technology (Melco Inc.) products come with a two-year limited warranty from the
date of purchase. Buffalo Technology (Melco Inc.) warrants to the original purchaser the
product; good operating condition for the warranty period. This warranty does not include
non-Buffalo Technology (Melco Inc.) installed components. If the Buffalo product malfunctions
during the warranty period, Buffalo Technology/(Melco Inc.) will, replace the unit, provided
the unit has not been subjected to misuse, abuse, or non-Buffalo Technology/(Melco Inc.)
authorized alteration, modifications or repair.
All expressed and implied warranties for the Buffalo Technology (Melco Inc) product line
including, but not limited to, the warranties of merchantability and fitness of a particular
purpose are limited in duration to the above period.
Under no circumstances shall Buffalo Technology/(Melco Inc.) 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.
In no event shall Buffalo Technology/(Melco Inc.) 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 (Melco
Inc.) does not offer refunds for any product.
@ 2003-2007 Buffalo Technology (Melco, Inc.)
42
Contact Information (North America)
Buffalo Technology USA Inc.
11100 Metric Blvd, Suite 750
Austin, TX 78758
GENERAL INQUIRIES	 	
Monday through Friday
8:30am-5:30pm CST
Direct: 512-794-8533 | Toll-free: 800-456-9799 | Fax: 512-794-8520 | Email: sales@
buffalotech.com
TECHNICAL SUPPORT	 	
North American Technical Support by phone is available 24 hours a day, 7 days a week. (USA
and Canada).
Toll-free: (866) 752-6210 | Email: info@buffalotech.com
43
Contact Information (Europe)
Buffalo Technology UK Ltd.
2 Bracknell Beeches, Old Bracknell Lane
Bracknell, Berkshire, RG12 7BW
United Kingdom
GENERAL INQUIRIES	 	
Email: sales@buffalo-technology.com
TECHNICAL SUPPORT	 	
Buffalo Technology provides technical support in English, German, French, Italian, and
Spanish.  For opening hours and relevant telephone numbers, please go to
www.buffalo-technology.com/contact
44
GPL Information (North America)
Thank you for your interest in Buffalo products. Our GPL software delivery policy is outlined below.
For each individual product and revision, please send one individually packaged self addressed padded CD
shipping envelope, containing a blank CD-R to the following address:
Buffalo Technology USA Inc.
11100 Metric Blvd, Suite 750
Austin, TX 78758
Attn. GPL Department
Within the envelope containing the self addressed padded CD shipping envelope, please include a bank draft
or money order for $20 (USD) (Made out to:  Buffalo Technology) to cover our handling fee, postage and CD
preparation. The CD-R should have the name of the product and revision number clearly written on the
actual CD-R (not on the insert).
We do not send GPL source in bulk on a DVD. And order confirmation is not required by the GNU General
Public License.
We are more than happy to comply with your request; however, we must ask you to comply with our GPL
distribution policy, which complies with the GNU General Public License.
Sincerely,
Buffalo Technology GPL Department
45
GPL Information (Europe)
Thank you for your interest in Buffalo products. Our GPL software delivery policy is outlined below.
For each individual product and revision, please send one individually packaged self addressed padded CD
shipping envelope, containing a blank CD-R to the following address:
Buffalo Technology Ireland Ltd
Free Zone East, Shannon, Co. Clare
Ireland
Attn. GPL Department
Within the envelope containing the self addressed padded CD shipping envelope, please include a bank draft
or money order for €20 (Euro) (Made out to:  Buffalo Technology) to cover our handling fee, postage and CD
preparation. The CD-R should have the name of the product and revision number clearly written on the
actual CD-R (not on the insert).
We do not send GPL source in bulk on a DVD. And order confirmation is not required by the GNU General
Public License.
We are more than happy to comply with your request; however, we must ask you to comply with our GPL
distribution policy, which complies with the GNU General Public License.
Sincerely,
Buffalo Technology GPL Department
46
300* High Speed Mode
*300 Mbps is the link speed when using Draft-N mode.   It represents
actual wireless data speeds, including overhead.   Because the overhead
is not available for user data transfer, usable wireless throughput will be
substantially slower.
47

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