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Page 26 / 48 Scroll up to view Page 21 - 25
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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 Compatibilty
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)
Specifications
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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 when the AirStation is on.
• The Security LED lights when encryption or authorization is turned on.
• Wireless LED should be Green if the line is active. If is it blinking Green, wireless
communication is active.
• Router 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.
Troubleshooting
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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.
Troubleshooting
Page 29 / 48
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•
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.
Troubleshooting
Page 30 / 48
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10BaseT:
802.3 based Ethernet network
that uses UTP (Unshielded twisted pair)
cable and a star topology. 10 Mbps data
transmission speed.
100BaseT:
802.3 based Ethernet network
that uses UTP (Unshielded twisted pair)
cable and a star topology. 100 Mbps data
transmission speed.
1000BaseT:
802.3 based Ethernet
network that uses UTP (Unshielded twisted
pair) cable and a star topology. 1000 Mbps
data transmission speed.
802.1x:
The standard for wireless LAN
authentication used between an AP and a
client. 802.1x with EAP will initiate key
handling.
Access Point:
A hardware device that acts
as a communication hub for
Clients
(users
of wireless devices) to connect to a wired
LAN.
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).
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.
Default Gateway:
The IP Address of either
the nearest router or server for the LAN.
Glossary

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