Buffalo AirStation WLA-L11G User manual

Communications Between Ethernet LAN
and Wireless LAN 1
What is Next? 2
Troubleshooting 3
Self-Diagnostic Function 4
Setting Screen Tables 5
Glossary 6
Product specifications 7
This manual explains the procedure for commu-
nications between Ethernet LAN and wireless
LAN, examples of AirStation settings, and reme-
dies for troubleshooting problems. Refer to this
manual as necessary.

Using this Manual
This section explains the symbols used in this manual.
Symbols
Caution
Items to which you must pay attention when handling the product. Failure to follow this mark
may result in personal injury and/or damage to the equipment.
Note
Supplementary information that you should know when handling the product.
Reference
Refers to the page of related subject.
Next
Advises to which page you should continue next.
Column
Explanatory text with this mark explains convenient facts for you to know.
Glossary and Diacritical Marks Within the Text
• Text in bold indicates the names of menu options, buttons, text boxes, check boxes, software, and dialog
boxes, etc., that you can select to perform operations.
• The WLAR-L11 is referred as AirStation through this manual.
• The personal computer to be used with the wireless LAN card that as manufactured by MELCO INC. is
called the wireless LAN personal computer.
• The personal computer to be used with the AirStation settings is referred as the Settings Personal Com-
puter.
Precaution for the Usage
Be sure to read this manual before using the product because this product is refined highly. MELCO INC. is
not responsible for accidents or damages to the personal computer as well as AirStation due to misuse. Mis-
use of our product will void the guarantee automatically that came with the purchase.
All rights for this manual are owned by MELCO INC. No part of this manual may be transmitted,
reproduced, or revised without permission from MELCO INC.
Product name of other companies used in this manual are trademarks or registered trademarks of
the respective companies. Trademark symbols (
TM
, ®, ©, etc.) are not indicated in this manual.
Specifications, design, and other descriptions included in this manual are subject to change
without notice.
This manual is carefully prepared, however, feel free to contact your nearest sales representa-
tive if you have any questions or problems.
In addition, note that MELCO INC. shall not be liable for any expenses incurred due to damage
or loss arising from the use of the WLA-L11, although MELCO INC. has been advised of the
possibility of such damage.

WLA-L11 User’s Manual 1
Communication between a wireless LAN and a wired LAN
This chapter describes how to use an AirStation when communicating between a wireless LAN and a wired LAN.
Network Configuration Illustration
Current Network Environment : Wired LAN Network
Desired Network : Network comprising wireless and wired LAN PCs.
Setup Flow
The setup flow for communication between wired LAN PCs and wireless LAN PCs is given below..
1Installing the AirStation P4
2
Setting up the wired LAN PC for the AirStation P6
3Setting up the AirStation P16
4
Connecting to the AirStation P22
5Connecting to the Network P35
.

2 WLAR-L11 Reference Manual
Table of Contents
1Communications Between Ethernet LAN and
Wireless LAN .................................................... 4
Configuration .............................................................................................. 4
Work Flow Chart ......................................................................................... 5
Installation ................................................................................................... 6
Preparing AirStation Settings
(on the Settings Personal Computer) ......................................................... 7
AirStation Settings (Settings Personal Computer) .................................... 14
Connecting To AirStation .......................................................................... 20
Communications With Other Personal Computers ................................... 25
2What is Next? ................................................ 26
Displaying AirStation Setting Screen ......................................................... 26
Enabling and Disabling Roaming Function................................................ 27
Limiting Connections from Wireless LAN Personal Computers................. 29
Strengthening Security Using the WEP (Encoding) Function.................... 31
Multiple AirStation Groups ......................................................................... 32
Setting Send Mode .................................................................................... 33
Connecting to AirStation Using an AirPort-compatible Personal Computer34
Packet Filter Settings Example.................................................................. 35
IP Address Auto Allocation Functions (DHCP Server) Settings Example.. 36
Checking AirStation’s IP Address .............................................................. 38
Resetting AirStation Settings to the Factory Settings ................................ 38
Checking the Wireless Frequency Status.................................................. 39
3Troubleshooting ............................................. 41
4Self-Diagnostic Function................................. 57
5Setting Screen Tables .................................... 58
Bridge Mode
(Communications Between Ethernet LAN and Wireless LAN) .................. 58
Routing Mode(Connect to Internet Using CATV Network)......................... 62

WLAR-L11 Reference Manual 3
6Glossary.......................................................... 66
7Product Specifications .................................... 70
Specifications............................................................................................. 70
LAN Port Connector Specifications ........................................................... 71

WLA-L11 User’s Manual4
1
Communications Between Ethernet LAN and Wireless LAN
This section explains the procedure for enabling communication between personal com-
puters on an Ethernet LAN and personal computers on a wireless LAN using AirStation.
Connection to the AirStation, hub, ground wire, and Power supply is shown below.
Be sure to use the supplied AC adapter power supply.
Installation

WLA-L11 User’s Manual 5
The AirStation settings are preformed using a personal computer on the Ethernet LAN. For the proper
AirStation setting, make sure that the following software are installed in the personal computer (hereafter
called the settings personal computer) on the Ethernet LAN.
TCP/IP protocol . . . . . . Refer to the TCP/IP Protocol Setting.
AirStation manager. . . . Refer to Installing the AirStation Manager.
Web browser (Microsoft Internet Explorer version 4.0 or later, or Netscape Navigator 3.0 or later):
Refer to the relevant Web browser manual. Microsoft Internet Explorer is installed
as standard on Windows 98 and Windows 2000.
TCP/IP Protocol Setting
The procedure for setting the proper TCP/IP protocol is depending on the OS used in the PC. Please refer to
the following for the proper settings.
Before the setting, check the LAN port drivers are properly installed in the personal com-
puter and it is connected to the network.
Windows 98/95: Refer to Windows 98/95 below.
Windows 2000: Refer to Windows 2000 below.
Windows NT 4.0: Refer to Windows NT 4.0 below.
Windows 98/95
The TCP/IP protocol is set as follows.
Preparing the AirStation Settings
(on the Personal Computer)
1Start your personal computer.
2Click the Start button, and then select Settings, and then Control Panel.
3Double-click the Network icon.
4In the Network dialog box, check that TCP/IP is displayed in the following net-
work components are installed: field.
Only 1 LAN board installed The dial-up adapter and the LAN boards
are installed.
TCP/IP (LAN board driver name) is normally dis-
played in The following network components are
installed: field.
[TCP/IP-> "LAN board driver name"]
If no TCP/IP is displayed, refer to the Adding TCP/IP Protocols (Windows 98/95)
section (Page 7).

WLA-L11 User’s Manual6


Refer to "Installing AirStation Manager" (page 14).
5Select TCP/IP, and then click the Properties
button.
6Click the IP Address tab, and set the IP
address. When you enter the IP address, click
the OK button.
Consult your network manager
for the IP address settings of the personal
computer.


If there is a DHCP server on the
network, select "Obtain an IP address
automatically".
For IP address settings, refer
to "Allocating IP Addresses" (page 52) in
Chapter 3 Troubleshooting.
7Restart Windows 98/95.
The TCP/IP protocol settings for the settings personal computer is completed.

WLA-L11 User’s Manual 7
Adding TCP/IP Protocols (Windows 98/95)
If the TCP/IP Protocol is not in added to the settings personal computer, add the protocol using the following
procedure.
This completes the TCP/IP protocol installation.
Continue to the “TCP/IP Protocol Settings” (Windows 98/95) section procedure Step 5.
1Click the Start button, and select Settings, Control Panel, and then Network.
2Click the Add button.
3Select Protocol, and click the Add button.
4In the Manufacturers field, select Microsoft,
and in the Network Protocols field, select
TCP/IP and click the OK button.
5The TCP/IP protocol is added.

WLA-L11 User’s Manual8
Windows 2000
The TCP/IP protocol is set on the settings personal computer using the following procedure.
1Start Windows 2000, and log on using your logon name (e.g., Administrator with
administrator access).
2Click the Start button. Then select Settings and Network and Dial-up Connec-
tions.
3Double-click the Local Area Connection icon.
4Click the Properties button.
5Check it Internet Protocol (TCP/IP) is dis-
played.
If Internet Protocol (TCP/IP) is not
displayed, refer to the Adding TCP/IP Pro-
tocols (Windows 2000) section (page 10).
6Select Internet Protocol (TCP/IP), and click
the Properties button.

WLA-L11 User’s Manual 9
Refer to "Installing AirStation Manager" (page 14).
7Set the IP address, and click the OK button.
If there is a DHCP server on the
network, select "Obtain an IP address
automatically".
For IP address settings, refer
to "Allocating IP Addresses" (page 52) in
Chapter 3 Troubleshooting.
8Click the OK button.
9Click the Close button.

WLA-L11 User’s Manual10
Adding the TCP/IP Protocols (Windows 2000)
If the TCP/IP Protocol is not in added to the settings personal computer, add the protocol using the following
procedure.
1Click the Start button, and then select Settings and Network and Dial-up Con-
nections.
2Double-click the Local Area Connection icon.
3Click the Properties button.
4Click the Install button.
5Select Protocol, and click the Add button.
6Select Internet Protocol (TCP/IP), and click
the OK button.

WLA-L11 User’s Manual 11
This completes the TCP/IP protocol installation.
Continue to the “TCP/IP Protocol Settings” (Windows 2000) section procedure Step 6.
7Check if the Internet Protocol (TCP/IP) is
added.

WLA-L11 User’s Manual12
WindowsNT4.0
Make the TCP/IP protocol settings on the settings personal computer using the following procedure.
1Start the personal computer.
2Click the Start button, and then select Settings and Control Panel.
3Double-click the Network icon.
4Click the Protocols tab, and make sure that
TCP/IP Protocol is displayed in the Network
Protocols field.


If Internet Protocol (TCP/IP) is not displayed, refer to the Adding TCP/IP Proto-
cols (Windows NT 4.0) section (page13).
5Select TCP/IP Protocol, and click the Proper-
ties button.
Continue to next page

WLA-L11 User’s Manual 13


Refer to "Installing AirStation Manager" (page 14).
Adding the TCP/IP Protocol (Windows NT 4.0)
If the TCP/IP Protocol is not in the settings personal computer, add the protocol using the following proce-
dure.
6Set the IP address. When you have entered the
IP address, click the OK button.
Consult your network manager
for the IP address setting of the settings
personal computer.
If there is a DHCP server on the
network, select Obtain an IP address from
a DHCP server.
For IP address settings, refer
to "Allocating IP Addresses" (page 52) in
Chapter 3, Troubleshooting.
7Restart Windows NT 4.0.
The TCP/IP protocol is set the settings personal computer.
1Click the Start button, and then select Settings, and Control Panel.
2Double-click the Network icon.
3Click the Protocols tab, and then click the
Add button.
4
Select TCP/IP Protocol, and click the OK button.
Continue to next page

WLA-L11 User’s Manual14
This completes the TCP/IP protocol installation.
Continue to the “TCP/IP Protocol Settings” (Windows NT 4.0) section procedure Step 5.
Installing AirStation Manager
Install the AirStation Manager in the settings personal computer using the following procedure.
5The TCP/IP protocol is added.
1Insert the AirStation Series Driver CD in the CD-ROM drive.
2Click the Start button, and select Run...
3Enter D:\WLEASY.EXE (where D is the CD-
ROM drive), and click the OK button.
4Select Install the AirStation Manager, and
click the Next button.
5Make sure all other applications are closed,
then click the OK button.

WLA-L11 User’s Manual 15
Refer to "AirStation Settings (Settings Personal Computer)" (page 16).
To remove AirStation Manager, click the Start button, and select Programs, MELCO
AirStation, and Uninstall AirStation Manager, and then follow the instruction on screen.
6Click the Next button.
7Select the directory in which you want to
install AirStation Manager, and click the Next
button.
To change the default installation
directory, select a new directory, and then
click the Next button.
8Check the installation directory displayed, and
then click the Start button.
Windows will copy the file to the directory.
9Click the OK button.
Installation of the AirStation Manager is com-
pleted.

WLA-L11 User’s Manual16
Make sure a Web browser is installed before making the AirStation settings. For the
installation procedure, refer to the manual supplied with the Web browser. (Microsoft Internet
Explorer is installed as standard on Windows 98 and Windows 2000.)
Setting Procedure.
The AirStation is set in the settings personal computer using the following procedure.
When the AirStation is set for Windows 2000 and Windows NT 4.0 the procedure may be
different. Please refer to "Windows 2000/NT 4.0" (page 19).
AirStation Settings (Settings Personal Computer)
1Insert the AirStation Series Driver CD in the CD-ROM drive.
2Click the Start button, and select Run...
3Enter D:\WLEASY.EXE (where D is the CD-
ROM drive), and click the OK button.
4Select Easy Installation Wizard, and click the
Next button.
5Make sure all other applications are closed,
then click the Execute button.
6Click the Next button.
If the WEB browser field is empty,
the Web browser may not be installed.
Check it the Web browser is correctly
installed. If the Web browser is installed,
enter the path name for the Web browser
from the WEB browser field.

WLA-L11 User’s Manual 17
7In the Network adapter field, enter the name of
the LAN card to be used, and then click the
Next button.
• If "Network Adapter Is Not Installed is displayed", the drivers for the wireless LAN card
have not been installed. Refer to the LAN board manual, and install the drivers.
• If "Network Adapter Settings Error is displayed", the TCP/IP settings have not been set
correctly. Refer to the "TCP/IP Protocol Setting" section (page 5) in the Preparing AirSta-
tion Settings, and correct the TCP/IP setting.
8Windows will search for the AirStation.
9Select the AirStation, and click the Next but-
ton.
If the AirStation cannot be found,
refer to ""Cannot Find AirStation" Is Dis-
played When Starting the Easy Installation
Wizard" section (page 43) in Chapter 3
Troubleshooting.
10 Click the Don’t Set button.
11 Your Web browser will start and the settings
screen will be displayed.
Continue to next page

WLA-L11 User’s Manual18
This completes the AirStation settings.
Continue to "Connecting To the AirStation" (page 21).
When the settings screen comes
up, click the Exit button in the Easy Instal-
lation Wizard Screen to close the Easy
Installation Wizard.
12 Click the Standard Settings button.
13 Click the Ye s button.
If using Netscape Navigator, the
following message will be displayed: Send
data cannot be protected from here.
14 The "Enter Network Password screen" will be
displayed. Enter the user name and password
given below, and click the OK button.
User name :"root"
Password :Leave blank
15 Click the Settings button.
16 Settings Completed will be displayed. Close the Web browser.