Global Sun Technology WLVP2454-25M Wireless 802.11g PCI Adapter User Manual 54Mbps wireless Network
Global Sun Technology Inc Wireless 802.11g PCI Adapter 54Mbps wireless Network
Users Manual
Product: IEEE 802.11g 54Mbps Wireless Network PCI Adapte
r
Model: WL VP 2454 25M0
54Mbps wireless Network
PCI Adapter
USER MANUAL
Marketing Dept.
Editorial:
George Chou
Approved By:
DOCUMENT
REV. 1.0
54Mbps Wireless Network PCI Adapter
USER MANUAL
REV. DATA 08/04/2004
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Product: IEEE 802.11g 54Mbps Wireless Network PCI Adapte
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Model: WL VP 2454 25M0
Version History
Version H/W Description Date Editor
V1.0 Raymond Create the file 4, Agu, 2004 George Chou
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Product: IEEE 802.11g 54Mbps Wireless Network PCI Adapte
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Model: WL VP 2454 25M0
Contents
1. Overview ....................................................................................................4
1.1 Product Feature................................................................................4
1.2 System Requirement ........................................................................4
2. Getting Start...............................................................................................5
2.1 LED Indicators ..................................................................................5
2.2 Install the 802.11g Wireless Network PCI Adapter............................5
2.2.1 Utility Installation ....................................................................5
2.2.2 Driver Installation ...................................................................8
3. Configuration..............................................................................................11
3.1 Link Information................................................................................... 11
3.2 Configuration .......................................................................................12
3.3 Advanced.............................................................................................13
3.4 Site Survey ..........................................................................................15
3.5 About US .............................................................................................17
4. Glossary ......................................................................................................18
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1. Overview
1.1 Product Feature
● Compliance with IEEE 802.11g and 802.11b standards
● Highly efficient design mechanism to provide unbeatable performance
● Achieving data rate up to 54Mbps for 802.11g and 11Mps for 802.11b with
wide range coverage; high performance to deliver up to 54Mbps raw data
rate for 802.11g
● Strong network security with WEP, WPA and WPA-PSK support
● Driver/Utility support most commonly used operating systems including
Windows 98SE/ME/200/XP.
1.2 System Requirement
● Windows 98SE, Millennium Edition (ME), 2000 and XP operating systems
● PC with Pentium III 600MHz system or above is recommended
● Equipped with at least one PCI slot.
● One CD-ROM drive
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2. Getting Start
2.1 LED Indicators
The Power LED will be ON when the unit is powered up.
The Link LED will be Blinking indicates a WLAN connection.
2.2 Install the 802.11g Wireless Network PCI Adapter
2.2.1 Utility Installation
1. Before insert PCI card into the PCI slot of your computer, please install the
Utility Program first. Make sure that the 802.11g wireless Network PCI
Card is NOT inserted into the PCI slot.
NOTE: all the snapped images of installation mentioned in this manual are
based on Windows XP. For other windows operating system, all the
procedures are the same but the screens are not the exactly same.
2. Turn on the computer. Insert the CD into the CD-ROM Drive. Please
select click the “Install”.
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3. InstallShield Wizard will automatically start. Please click “Next” to
continue.
If user wants to change the installation folder, press “Brower”
to change the directory or press “Next” to continue.
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4. Click “Finish” to finish the installation.
5. Restart computer to make the settings effective.
.
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2.2.2 Driver Installation
1. After restarting the computer, insert the PCI card into PCI slot. Few seconds
later, there will be a window popup as the following picture.
2. Click “Continue Anyway” to keep installation going.
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3. Click “Finish” to finish the driver installation.
4. To make sure if the installation is successful, you could check it through the
device management.
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5. Once the installation is successful, a utility program icon will show on your
desktop. To lunch the utility, just double click the icon.
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3. Configuration
3.1 Link Information
The default page is as below after you launch the Utility program.
Status: Shows the BSSID associated, which can be used to identify the wireless
network.
SSID: Shows current SSID, which must be the same for the wireless client and
AP in order for communication to be established.
TxRate: Shows the current data rate used for transmitting.
Channel: Shows the current channel for communication.
Link Quality: Shows the link quality of the 802.11g wireless LAN PCI adapter
with the Access Point when operating under Infrastructure mode.
Signal Strength: Shows the wireless signal strength of the connection between
the 802.11g wireless LAN PCI adapter with the Access Point.
Data Rate: Shows the statistics of data transfer, and the calculation is based on
the number of packets transmitted and received.
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3.2 Configuration
This is the page where you can change the basic settings of the Access Point
with the minimum amount of effort to implement a secure wireless network
environment.
SSID: Service Set Identifier, which is a unique name shared among all clients
and nodes in a wireless network. The SSID must be identical for each clients
and nodes in the wireless network.
BSS Type: There are two types available for selection
●Infrastructure – to establish wireless communication with LAN and other
wireless clients through the use the Access Points.
●Ad-Hoc – to establish point-to-point wireless communication directly with other
wireless client devices such as wireless network PCI Adapter.
Channel: The value of channel that AP will operate in.
Tx Rate: Select the data rate for data transmission.
Power Mode: There are 3 modes to choose.
●Continuous Access Mode (default) – the PCI adapter is constantly operating
with full power and it consumes the most power.
●Maximum Power Save – the PCI adapter consumes the least power and only
operates when there is wireless network activity.
●Power Save – the PCI adapter consumes the moderate level of power.
Preamble: Select Long or Short Preamble type. Preamble is a sequence of bits
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transmitted at 1Mbps that allows the PHY circuitry to reach steady-state
demodulation and synchronization of bit clock and frame start. Two different
preambles and headers are defined: the mandatory supported Long Preamble
and header, which interoperates with the 1 Mbit/s and 2 Mbit/s DSSS
specification (as described in IEEE Std 802.11), and an optional Short Preamble
and header (as described in IEEE Std 802.11b). At the receiver, the Preamble
and header are processed to aid in demodulation and delivery of the PSDU. The
Short Preamble and header may be used to minimize overhead and, thus,
maximize the network data throughput. However, the Short Preamble is
supported only from the IEEE 802.11b (High- Rate) standard and not from the
original IEEE 802.11. That means that stations using Short-Preamble cannot
communicate with stations implementing the original version of the protocol.
3.3 Advanced
This is the page where you configure Security settings of your 802.11g wireless
LAN PCI adapter.
Encryption: 4 options are available: Disable, Enable, WPA and WPA-PSK.
Select Enable or Disable for WEP data encryption feature. If one of the two
options is selected, it is required to select the Authentication mode from the
next dropping list. If WPA is selected, configuration is enabled. Please click
the configuration. The below window is pop up. Then, please select the
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certificate that you like to use and enter the server name and login name
If WPA-PSK is selected, click the configuration button. The popping window is
as the below. Please enter the key.
Auth. Mode: There are three modes available to choose.
Open Authentication – the sender and receiver do not share secret Key for
communication. Instead, each party generates its own key-pairs and asks the
other party to accept it. The key is regenerated when the connection is
established every time.
Shared Authentication – the sender and receiver shares the common key for
data communication, and the key is used for extended length of time.
Auto – depend on the communication to establish, and automatically use the
proper authentication mode.
The following will only be activated to allow for configuration when Encryption is
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enabled.
Default Key: select one of the 4 keys to use.
Network Key: enter values to these fields, either in HEX or ASCII formats. You
only have to enter the key that you will use
Key Length: select 64 or 128 bits as the length of the keys
Key Format: ASCII or HEX
3.4 Site Survey
This page allows you to enable the Site Survey function to scan for the available
wireless network (wireless clients and Access Points) and establish wireless
communications with one.
Available Network – displays the wireless networks (wireless clients and
Access Points) that are in your signal range.
Select any one of them to establish communications by simply mouse
double-click or click on the “Connect” button.
Click “Refresh” button to start scanning for available network again.
Profile – You can create and manage the created profiles for Home, offices or
public areas. By double-clicking on one of the created profile, the setting will
adapt to the configuration such as SSID, channel, and WEP settings saved by
that particular profile.
Remove: To remove the selected the profile
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Properties: To view and change its settings of the profile.
Add: To add a profile. Then, the following screen would appear.
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3.5 About US
This page displays some information about the 54Mpbs wireless LAN PCI
adapter utility, which includes the version numbers for Driver, Firmware and
Utility. When there is new version of software available for upgrade, you will be
able to identify by version numbers.
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4. Glossary
Access Point: An internetworking device that seamlessly connects wired and
wireless networks.
Ad-Hoc: An independent wireless LAN network formed by a group of computers,
each with a network adapter.
AP Client: One of the additional AP operating modes offered by 54Mbps Access
Point, which allows the Access Point to act as an Ethernet-to-Wireless Bridge,
thus a LAN or a single computer station can join a wireless ESS network through
it.
ASCII: American Standard Code for Information Interchange, ASCII, is one of
the two formats that you can use for entering the values for WEP key. It
represents English letters as numbers from 0 to 127.
Authentication Type: Indication of an authentication algorithm which can be
supported by the Access Point:
1. Open System: Open System authentication is the simplest of the available
authentication algorithms. Essentially it is a null authentication algorithm. Any
station that requests authentication with this algorithm may become
authenticated if 802.11 Authentication Type at the recipient station is set to
Open System authentication.
2. Shared Key: Shared Key authentication supports authentication of stations as
either a member of those who knows a shared secret key or a member of those
who does not.
Backbone: The core infrastructure of a network, which transports information
from one central location to another where the information is unloaded into a
local system.
Bandwidth: The transmission capacity of a device, which is calculated by how
much data the device can transmit in a fixed amount of time expressed in bits
per second (bps).
Beacon: A beacon is a packet broadcast by the Access Point to keep the
network synchronized. Included in a beacon are information such as wireless
LAN service area, the AP address, the Broadcast destination addresses, time
stamp, Delivery Traffic Indicator Maps, and the Traffic Indicator Message (TIM).
Bit: A binary digit, which is either -0 or -1 for value, is the smallest unit for data.
Bridge: An internetworking function that incorporates the lowest 2 layers of the
OSI network protocol model.
Browser: An application program that enables one to read the content and
interact in the World Wide Web or Intranet.
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BSS: BSS stands for “Basic Service Set”. It is an Access Point and all the LAN
PCIs that associated with it.
Channel: The bandwidth which wireless Radio operates is divided into several
segments, which we call them “Channels”. AP and the client stations that it
associated work in one of the channels.
CSMA/CA: In local area networking, this is the CSMA technique that combines
slotted time -division multiplexing with carrier sense multiple access/collision
detection (CSMA/CD) to avoid having collisions occur a second time. This works
best if the time allocated is short compared to packet length and if the number of
situations is small.
CSMA/CD: Carrier Sense Multiple Access/Collision Detection, which is a LAN
access method used in Ethernet. When a device wants to gain access to the
network, it checks to see if the network is quiet (senses the carrier). If it is not, it
waits a random amount of time before retrying. If the network is quiet and two
devices access the line at exactly the same time, their signals collide. When the
collision is detected, they both back off and wait a random amount of time before
retrying.
DHCP: Dynamic Host Configuration Protocol, which is a protocol that lets
network administrators manage and allocate Internet Protocol (IP) addresses in
a network. Every computer has to have an IP address in order to communicate
with each other in a TCP/IP based infrastructure network. Without DHCP, each
computer must be entered in manually the IP address. DHCP enables the
network administrators to assign the IP from a central location and each
computer receives an IP address upon plugged with the Ethernet cable
everywhere on the network.
DSSS: Direct Sequence Spread Spectrum. DSSS generates a redundant bit
pattern for each bit to be transmitted. This bit pattern is called a chip (or chipping
code). The longer the chip, the greater the probability that the original data can
be recovered. Even if one or more bits in the chip are damaged during
transmission, statistical techniques embedded in the radio can recover the
original data without the need for retransmission. To an unintended receiver,
DSSS appears as low power wideband noise and is rejected (ignored) by most
narrowband receivers.
Dynamic IP Address: An IP address that is assigned automatically to a client
station in a TCP/IP network by a DHCP server.
Encryption: A security method that uses a specific algorithm to alter the data
transmitted, thus prevent others from knowing the information transmitted.
ESS: ESS stands for “Extended Service Set”. More than one BSS is configured
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to become Extended Service Set. LAN mobile users can roam between different
BSSs in an ESS.
ESSID: The unique identifier that identifies the ESS. In infrastructure association,
the stations use the same ESSID as AP’s to get connected.
Ethernet: A popular local area data communications network, originally
developed by Xerox Corp., that accepts transmission from computers and
terminals. Ethernet operates on a 10/100 Mbps base transmission rate, using
a shielded coaxial cable or over shielded twisted pair telephone wire.
Fragmentation: When transmitting a packet over a network medium,
sometimes the packet is broken into several segments, if the size of packet
exceeds that allowed by the network medium.
Fragmentation Threshold: The Fragmentation Threshold defines the number
of bytes used for the fragmentation boundary for directed messages. The
purpose of "Fragmentation Threshold" is to increase the transfer reliability thru
cutting a MAC Service Data Unit (MSDU) into several MAC Protocol Data Units
(MPDU) in smaller size. The RF transmission can not allow to transmit too big
frame size due to the heavy interference caused by the big size of transmission
frame. But if the frame size is too small, it will create the overhead during the
transmission.
Gateway: a device that interconnects networks with different, incompatible
communication protocols.
HEX: Hexadecimal, HEX, consists of numbers from 0 – 9 and letters from A – F.
IEEE: The Institute of Electrical and Electronics Engineers, which is the largest
technical professional society that promotes the development and application of
electrotechnology and allied sciences for the benefit of humanity, the
advancement of the profession. The IEEE fosters the development of standards
that often become national and international standards.
Infrastructure: An infrastructure network is a wireless network or other small
network in which the wireless network devices are made a part of the network
through the Access Point which connects them to the rest of the network.
ISM Band: The FCC and their counterparts outside of the U.S. have set aside
bandwidth for unlicensed use in the ISM (Industrial, Scientific and Medical) band.
Spectrum in the vicinity of 2.4GHz, in particular, is being made available
worldwide.
MAC Address: Media Access Control Address is a unique hex number
assigned by the manufacturer to any Ethernet networking device, such as a
network adapter, that allows the network to identify it at the hardware level.
Multicasting: Sending data to a group of nodes instead of a single destination.
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Multiple Bridge – One of the additional AP operating modes offered by 54Mbps
Access Point, which allows a group of APs that consists of two or more APs to
connect two or more Ethernet networks or Ethernet enabled clients together.
The way that multiple bridge setups is based on the topology of Ad-Hoc mode.
Node: A network junction or connection point, typically a computer or
workstation.
Packet: A unit of data routed between an origin and a destination in a network.
PLCP: Physical layer convergence protocol
PPDU: PLCP protocol data unit
Preamble Type: During transmission, the PSDU shall be appended to a PLCP
preamble and header to create the PPDU. Two different preambles and headers
are defined as the mandatory supported long preamble and header which
interoperates with the current 1 and 2 Mbit/s DSSS specification as described in
IEEE Std 802.11-1999, and an optional short preamble and header. At the
receiver, the PLCP preamble and header are processed to aid in demodulation
and delivery of the PSDU. The optional short preamble and header is intended
for application where maximum throughput is desired and interoperability with
legacy and non-short-preamble capable equipment is not consideration. That is,
it is expected to be used only in networks of like equipment that can all handle
the optional mode. (IEEE 802.11b standard)
PSDU: PLCP service data unit
Roaming: A LAN mobile user moves around an ESS and enjoys a continuous
connection to an Infrastructure network.
RTS: Request To Send. An RS-232 signal sent from the transmitting station to
the receiving station requesting permission to transmit.
RTS Threshold: Transmitters contending for the medium may not be aware of
each other. RTS/CTS mechanism can solve this “Hidden Node Problem”. If the
packet size is smaller than the preset RTS Threshold size, the RTS/CTS
mechanism will NOT be enabled.
SSID: Service Set Identifier, which is a unique name shared among all clients
and nodes in a wireless network. The SSID must be identical for each clients
and nodes in the wireless network.
Subnet Mask: The method used for splitting IP networks into a series of
sub-groups, or subnets. The mask is a binary pattern that is matched up with the
IP address to turn part of the host ID address field into a field for subnets.
TCP/IP: Transmission Control Protocol/ Internet Protocol. The basic
communication language or protocol of the Internet. It can also be used as a
communications protocol in a private network, i.e. intranet or internet. When you
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are set up with direct access to the Internet, your computer is provided with a
copy of the TCP/IP program just as every other computer that you may send
messages to or get information from also has a copy of TCP/IP.
Throughput: The amount of data transferred successfully from one point to
another in a given period of time.
WEP: Wired Equivalent Privacy (WEP) is an encryption scheme used to protect
wireless data communication. To enable the icon will prevent other stations
without the same WEP key from linking with the AP.
Wireless Bridge – One of the additional AP operating modes offered by
54mpbs Access Point, which allows a pair of APs to act as the bridge that
connects two Ethernet networks or Ethernet enabled clients together.
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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.
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.
FCC Caution: Any changes or modifications not expressly approved by
the party responsible for compliance could void the user's authority to
operate this equipment.
IMPORTANT NOTE:
FCC 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. To maintain compliance with FCC RF exposure
compliance requirements, please avoid direct contact to the transmitting
antenna during transmitting. This product is limited in CH1~CH11 by specified
firmware controlled in the USA.