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Canadian Department of Communications ........................................ 66
Operation Channel for Different Domains..................................... 66
ASUS 802.11g Access Point5
France Restricted Frequency Band.................................................... 67
Appendix - GNU General Public License ................................. 69
Licensing Information ......................................................................... 69
Availability of source code ............................................................ 69
The GNU General Public License ...................................................... 70
6ASUS 802.11g Access Point
1. Introduction
Overview
Chapter 1 - Introduction
Thank you for purchasing the ASUS 802.11g WLAN AP . The ASUS 802.11g
AP is an Access Point designed to be fully compliant with IEEE pre 802.1 1g
and 802.11b standards. 802.1 1g is a proposed (to be finalized) new extension
to 802.11b (used in majority of wireless LANs today) that broadens
802.11b's data rates to 54 Mbps within the 2.4 GHz band using OFDM
(orthogonal frequency division multiplexing) technology. 802.11g allows
backward compatibility with 802.11b devices but only at 1 1 Mbps or lower ,
depending on the range and presence of obstructions.
Wireless LANs are complementary extensions to existing wired LANs,
offering complete mobility while maintaining continuous network
connectivity to both corporate and home Intranets. They add a new level of
convenience for LAN users. PC users stay connected to the network
anywhere throughout a building without being bound by a LAN wires.
This is accomplished through the use of ASUS Access Points. ASUS Access
Points with built-in Internet gateway capability , allows your family to share
a broadband Modem and one ISP account simultaneously from different
rooms without wires! ASUS WLAN products can keep you connected
anywhere, any time.
1. Introduction
ASUS 802.11g Access Point7
Chapter 1 - Introduction
1. Introduction
WLAN Family
The ASUS Wireless Family
The ASUS W ireless family contains a several wireless network solutions for
802.11g & 802.11b wireless local area networks in the home or office.
Access Point or Client
Access Point & Router
The ASUS WLAN 802.11g
Access Point (WL-300g) creates
a wireless network using the
IEEE 802.11g and 802.11b
wireless standards.
The ASUS 3 in 1
Pocket Access Point
(WL-330g) creates a
wireless network
using the IEEE
802.11g/b wireless
standards.
The ASUS WLAN Gateway (WL-500g) creates a
wireless network using the IEEE 802.11g/b wireless
standards and allows sharing a single Internet
connection.
The ASUS WLAN 802.11g Pocket Router (WL-530g) creates a wireless network using the IEEE
802.11g and 802.11b wireless standards and allows
sharing a single Internet connection.
PCMCIA ClientCompact Flash (CF) Client
The ASUS WLAN PC Card
(WL-107g) is a wireless LAN
adapter that fits into a PCMCIA
T ype II slot in a Notebook PC and
creates a wireless network using
the IEEE 802.11g/b wireless
standards.
(The illustrations are not to scale.)
The ASUS 802.11b Wireless
CF Card (WL-1 10) is a IEEE
802.11b wireless LAN adapter
that fits into a Compact Flash
Type II slot in a Portable
Digital Assistant (PDA).
8ASUS 802.11g Access Point
Chapter 1 - Introduction
PCI Client
The ASUS WLAN
PCI Card (WL138g) is a wireless
LAN adapter that fits
into a standard PCI
slot in a desktop PC
and creates a wireless
network using the
IEEE 802.11g/b
wireless standards.
USB Access Point or ClientUSB Client
The ASUS USB Wireless
LAN Adapter (WL-160g)
creates a wireless network
using the IEEE 802.11g/b
wireless standards and
connects to any computer
using USB2.0 connectivity.
802.11g 54Mbps
WLAN Family
1. Introduction
The ASUS USB Wireless LAN Adapter (WL-167g)
is thumb-sized and creates a wireless network using
the IEEE 802.11g/b wireless standards and connects
to any computer using USB2.0 connectivity.
Access Point & File Server
The ASUS WLAN 802.11g Access Point (WLHDD) creates a wireless network using the IEEE
802.11g and 802.1 1b wireless standards. Also serves
as a file server (wireless network attached storage).
(The illustrations are not to scale.)
ASUS 802.11g Access Point9
1. Introduction
Requirements
System Requirements
T o begin using the ASUS 802.11g WLAN AP, you must have the following
minimum requirements:
•An Ethernet (10Base-T or 10/100Base-TX) adapter for wired client
•At least one 802.11g (54Mbps) or one 802.11b (11Mbps) wireless
•TCP/IP and an Internet browser installed
The Product Package
Each ASUS 802.11g AP comes with:
Chapter 1 - Introduction
adapter for wireless mobile clients
• One ASUS 802.11g WLAN Access Point
• One ASUS 802.11g WLAN Access Point Quick Start Guide
• One power adapter (5 Volts DC, 1 Amp)
• One support CD (utilities and user’s manual)
• One RJ-45 Ethernet cable (straight-through)
• One Bracket for ceiling mounting
• One Bracket for office partition mounting
• One Sticker for wall mounting alignment
10ASUS 802.11g Access Point
Chapter 1 - Introduction
Wireless Performance
This section provides the user with ideas for how to improve the performance
of a ASUS WLAN network.
Site Topography
For optimal performance, locate wireless mobile clients and the ASUS AP s
away from transformers, heavy-duty motors, fluorescent lights, microwave
ovens, refrigerators, and other industrial equipment. Signal loss can occur when
metal, concrete, walls or floors block transmission. Locate the ASUS AP s in
open areas or add the ASUS AP s as needed to improve coverage.
Microwave ovens operate in the same frequency band as the ASUS AP .
Therefore, if you use a microwave within range of the ASUS AP you may
notice network performance degradation. However, both your microwave and
your the ASUS AP will continue to function.
Performance
1. Introduction
Range
Every environment is unique with different obstacles, barriers, materials, etc.
and, therefore, it is difficult to determine the exact range that will be achieved
without testing. However, has developed some guidelines to estimate the range
that users will see when the product is installed in their facility , but there are no
hard and fast specifications.
Radio signals may reflect off of some obstacles or be absorbed by others
depending on their construction. For example, with two 802.11b radios, you
may achieve up to 1000' in open space outdoors where two devices have a line
of sight, meaning they see each other with no obstacles. However, the same
two units may only achieve up to 300' of range when used indoors.
By default, the ASUS AP will automatically adjust the data rate to maintain a
usable radio connection. Therefore, a client that is close to the ASUS AP may
operate at higher speeds while a client that is on the fringe of coverage may
operate at lower speeds. As mentioned earlier, you can configure the data rates
that the ASUS AP will use. If you limit the range of data rates available to the
ASUS AP , you may reduce the effective wireless range of the WLAN coverage.
Site Surveys
A site survey (utility provided with the ASUS WLAN Cards) analyzes the
installation environment and provides users with recommendations for
equipment and its placement. The optimum placement differ depending on the
ASUS AP design and specifications.
ASUS 802.11g Access Point11
Chapter 1 - Introduction
1. Introduction
Roaming
Roaming Between ASUS APs
If there are multiple ASUS APs on the network, then a wireless mobile
client may seamlessly roam from one ASUS AP to another.
Each ASUS AP creates its own wireless cell or coverage area. This is also
known as a Basic Service Set (BSS). Any wireless mobile client can
communicate with a particular ASUS AP if it is within the ASUS AP’s
coverage area.
If the cells of multiple ASUS APs overlap, then the wireless mobile client
may switch from one ASUS AP to another as it travels throughout the facility .
During the hand-off from one ASUS AP to another, the wireless mobile
client maintains an uninterrupted connection to the network. This is known
as “roaming.”
Multiple ASUS APs connected to a common Ethernet network form an
Extended Service Set (ESS). All members of an Extended Service Set are
configured with an ID, known as the SSID or ESSID. Wireless mobile
clients must be configured with the same SSID as the ASUS APs on the
network; a client can only roam between ASUS APs that share the same
SSID.
Roaming Guidelines
•An ASUS WLAN Card can only roam between APs of the same type.
•All ASUS APs must have the same SSID.
•All computers with ASUS WLAN Cards must have the same SSID as
the Access Points that they will roam between.
•If WEP encryption is enabled, then all ASUS APs and client adapters
must use the same encryption level and WEP Key(s) to communicate.
•The ASUS APs’ cells must overlap to ensure that there are no gaps in
coverage and to ensure that the roaming client will always have a
connection available.
•ASUS APs that use the same Channel should be installed as far away
from each other as possible to reduce potential interference.
•It is strongly recommended that you perform a site survey using the
utility provided with the ASUS WLAN Card to determine the best
location for each ASUS AP in the facility.
12ASUS 802.11g Access Point
Chapter 1 - Introduction
ASUS 802.11g AP Status Indicators
There are three LEDs on the front of the ASUS 802.11g WLAN AP, as
shown here.
Power (Amber)
Air (Green)
Link (Green)
1. Introduction
Status Indicators
Power LED
OFF:No power or performing boot sequence
ON:System ready
Blinking:Firmware upgrade failed
Air LED
OFF:No power
ON:Wireless function ready
Blinking:Transmitting or receiving data (wireless)
Link LED
OFF:No power
ON:Has physical connection to an Ethernet network
Blinking:Transmitting or receiving data (through Ethernet wire)
Power Requirements
The ASUS 802.1 1g AP requires power from an external power supply . The
ASUS 802.11g AP ships with a UL listed, Class 2 power supply (5V, 1A).
ASUS 802.11g Access Point13
2. Hardware
Procedure
Chapter 2 - Hardware Installation
2.Installation
This chapter describes the installation procedure for the ASUS 802.11g AP
and includes a description of the LEDs found on the unit.
Installation Procedure
Follow these steps to install the ASUS 802.11g WLAN AP.
1. Determine the best location for the ASUS 802.11g WLAN AP. Keep in
mind the following considerations:
•The length of the Ethernet cable that connects the Access Point to
the network must not exceed 100 meters.
•For standard placement, try to place the Access Point on a flat, sturdy
surface as far from the ground as possible, such as on top of a desk
or bookcase, keeping clear of metal obstructions and away from
direct sunlight.
•For external antenna mounting, install the external antennas so that
they are clear of obstructions; refer to the documentation that came
with the antennas for mounting and installation instructions.
•Try to centrally locate the Access Point or its antennas so that it will
provide coverage to all of the wireless mobile devices in the area.
•Use only the power supply that came with this unit. Other power
supplies may fit but the voltage and power may not be compatible.
Note: It is the responsibility of the installer and users of the ASUS
802.11g AP to guarantee that the antenna is operated at least 20
centimeters from any person. This is necessary to insure that the
product is operated in accordance with the RF Guidelines for Human Exposure which have been adopted by the Federal Communications Commission.
2. Place the Access Point in the desired location. Wall mounting is also
possible for the Access Point. Refer to the section entitled “Wall
Mounting Option” on the next page for details.
3. Attach one end of an RJ-45 Ethernet cable to the Access Point and
attach the other end to the RJ-45 10Base-T port of a network hub, switch,
router, or patch panel (possibly on a wall).
14ASUS 802.11g Access Point
Chapter 2 - Hardware Installation
4. Attach one end of the AC power adapter , included in the product package,
to the back of the ASUS 802.11g AP and the other end to a power outlet.
Mounting
2. Hardware
Note: Use the Access Point only with the power adapter supplied in
the product package. Using another power supply may damage the
Access Point.
The Power LED on the front of the Access Point will light up when the unit
is powered ON. In addition, the green Link LED will turn ON to indicate
that the Access Point has a physical Ethernet network connection.
Wall Mounting Option
Out of the box, the ASUS 802.11g AP is designed to sit on a raised flat
surface like a file cabinet or book shelf. The unit may also be converted for
mounting to a wall or ceiling.
Follow these steps to mount the Access Point to a wall:
1. Remove the base by pressing the tab and sliding the base.
2. Remove the side cover to expose the mounting hooks.
3. Locate the screws provided with the Access Point.
4. Mark two holes in a flat surface using the provided hole template.
5. Tighten the two provided screws until only 1/4” is showing.
6. Latch the Access Point onto the two screws.
Note: Readjust the screws if you cannot latch the Access Point onto
the screws or if it is too loose.
ASUS 802.11g Access Point15
2. Hardware
1
Mounting
Chapter 2 - Hardware Installation
Step 1
Before:After:
2
Step 2
Before:After:
Note: Mounting brackets are provided for you to hang the ASUS
802.11g AP on an office partition or office ceiling.
16ASUS 802.11g Access Point
Chapter 3 - Software Configuration
3. Software Configuration
Configuring the ASUS 802.11g AP
The ASUS 802.1 1g AP can be configured to meet various usage scenarios.
Some of the factory default settings may suit your usage; however, others
may need changing. Prior to using the ASUS 802.11g AP, you must check
the basic settings to guarantee it will work in your environment.
Configuring the ASUS 802.11g AP is done through a web browser. You
need a Notebook PC or desktop PC connected to the ASUS 802.11g AP
(either directly or through a hub) and running a web browser as a
configuration terminal. The connection can be wired or wireless. For the
wireless connection, you need an IEEE 802.11g/b compatible device, e.g.
ASUS WLAN Card, installed in your Notebook PC. Y ou should also disable
WEP and set the SSID to “default” for your wireless LAN device.
Configuring
If you want to configure the ASUS 802.11g AP or want to access the Internet
through the ASUS 802.1 1g AP, TCP/IP settings must be correct. Normally,
the TCP/IP setting should be on the IP subnet of the ASUS 802.11g AP.
Note: Changing TCP/IP settings may require rebooting your PC.
When rebooting, the ASUS 802.11g AP should be switched ON and
in the ready state.
3. Software
Configuring
ASUS 802.11g Access Point17
Advanced IP Settings
If you want to set your IP address manually, the following default settings
of the ASUS 802.11g AP should be known:
•IP address 192.168.1.1
•Subnet Mask 255.255.255.0.
If you set your computer’s IP manually, it needs to be on the same segment.
For example:
•IP address 192.168.1.xxx (xxx can be any number between 2 and 254 that is
•Subnet Mask 255.255.255.0 (same as the ASUS 802.1 1g AP)
•Gateway 192.168.1.1 (this is the ASUS 802.1 1g AP IP address)
•DNS 192.168.1.1 (ASUS 802.11g AP IP address or your own).
3. Software
IP Settings
Chapter 3 - Software Configuration
not used by another device)
18ASUS 802.11g Access Point
Chapter 3 - Software Configuration
Installing the ASUS WLAN Utilities
Follow these steps to install the ASUS WLAN Utilities in Microsoft
Windows. Insert the support CD. Double-click setup.exe (in the root of the
support CD) if your autorun has been disabled.
(1) Click Install...Utilities.
(3) Click Yes after reading the license
agreement.
(2) Click Next after reading the welcome
screen.
3. Software
Installing Utilities
(4) Click Next to accept the default
destination folder or click Browse to
specify another path.
(5) Click Next to accept the default
program folder or enter another name.
ASUS 802.11g Access Point19
(6) Click Finish when setup is complete.
Chapter 3 - Software Configuration
ASUS WLAN Utilities
After installation, you can launch the utilities through the Start menu.
WLAN Utilities
3. Software
Connecting to the ASUS WLAN Web Manager
Wired Ethernet Connection
Besides using a network hub, you can also connect a LAN cable from your
computer to the ASUS 802.11g AP using either a straight or crossover cable
because the ASUS 802.11g AP has auto-crossover capability.
Wireless Connection
If you are using a Notebook PC with a wireless adapter, you can connect to
the ASUS WLAN W eb Manager without a wired Ethernet connection. Just
make sure your TCP/IP settings are set correctly.
20ASUS 802.11g Access Point
Chapter 3 - Software Configuration
Device Discovery
Run the ASUS WLAN Device Discovery from the Start menu and click
Config on the device.
Manually Entering the Address
You can also open your PC’s web browser and enter the IP address of the
ASUS 802.11g AP : http://192.168.1.1
If your computer’s IP is not on the
same subnet as the ASUS 802.11g AP
(192.168.1.X), you will be asked to
change it. The IP address can be any
number from 2 to 254 that is not used
by another device. Gateway is not
required.
3. Software
WLAN Utilities
(This is the wrong setting.)
Note: You can also change your TCP/IP settings through Windows
network properties as shown earlier.
ASUS 802.11g Access Point21
(This is the correct setting.)
Chapter 3 - Software Configuration
Restart your Windows if you are
asked to.
Note: If you cannot find any the
ASUS 802.11g APs due to a
problem in the IP settings, push
and hold the “Restore” button
on the ASUS 802.11g AP over
five seconds to restore factory
default settings.
Restore
WLAN Utilities
3. Software
User Name and Password
Once connected, a window will ask for
the User name and Password in order
to log in. The factory default values are
“admin” and “admin”.
Home Page
After logging in, you will see the ASUS 802.11g AP home page. The default
pages will be for the Access Point mode. Router and Home Gateway modes
are described later in this manual.
22ASUS 802.11g Access Point
Chapter 3 - Software Configuration
Access Point Mode
In “Access Point” mode, the ASUS 802.11g AP will operate as a MAC
layer learning bridge and forward packets between wireless mobile clients
and the Ethernet network.
A wireless LAN that uses the ASUS 802.11g AP in “Access Point” mode
generally consists of one or more 802.11g/b Access Points and one or more
wireless mobile clients that have an 802.11g/b adapter installed.
The ASUS 802.11g AP maintains a table of MAC addresses, which it has
learned are located either on the Ethernet network or on the radio network
by monitoring the source address of packets it receives. For example, if the
ASUS 802.11g AP receives a packet over its radio, it creates an entry in its
table for the node that sent the packet and labels the entry as a member of
the radio network. The ASUS 802.11g AP removes an entry from the table
after five minutes of inactivity.
When the ASUS 802.11g AP receives a packet from the Ethernet network,
it compares the packet’ s destination address with the node addresses listed
in its table. If the packet’ s destination address is not in the table, the ASUS
802.11g AP will forward the packet to the wireless mobile clients. If the
packet’s destination address is listed in the table as a member of the radio
network, the ASUS 802.11g AP will forward the packet to the wireless
mobile clients. If the packet’s destination address is listed in the table as a
member of the Ethernet network, the ASUS 802.11g AP will not forward
the packet to the wireless mobile clients. The ASUS 802.11g AP applies
the same principles to determine if a packet received over its radio should
be forwarded to the Ethernet network.
The ASUS 802.11g AP forwards all broadcast packets to wireless mobile
clients. Given this, the ASUS 802.11g AP can only support a limited amount
of network traffic. It is recommended that you only use the ASUS 802.11g
AP on networks that contain less than 512 nodes.
The number of wireless mobile clients that can be supported by the ASUS
802.11g AP depends on the amount of information that each client exchanges
with the network. Therefore, the number of clients that can be supported
by one ASUS 802.11g AP will vary based on the applications in use and
how frequently network information is accessed.
3. Software
Access Point
ASUS 802.11g Access Point23
Quick Setup
Click Next to enter the Quick Setup page. Follow the
instructions to setup the ASUS 802.11g AP. Tips are given
when you move your cursor over each item.
Configure Wireless Interface
Access Point
3. Software
Chapter 3 - Software Configuration
First step to set your wireless
interface is to give it a name, called
SSID. In addition, if you would like
to protect transmitted data, please
select Security Level as Medium or
High. Selecting Medium allows only
those users who use the same WEP
key to connect to this access point
and to transmit data with 64-bit or
128-bit WEP encryption. Selecting
High allows only those users who use
the same WPA pre-shared key to
connect to this access point and to
transmit data with TKIP encryption.
(See next few pages for item
descriptions.)
If you would like to perform other
settings, click an item on the menu
to reveal a sub menu. Follow the
instructions to setup the ASUS
802.11g AP. Tips are given when you
move your cursor over each item.
24ASUS 802.11g Access Point
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