Global Sun Technology WLAP2454-NM 802.11g Wireless Access Point User Manual

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Document ID	407836
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Document Description	Users Manual
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Document Type	User Manual
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Date Submitted	2004-03-24 00:00:00
Date Available	2004-03-24 00:00:00
Creation Date	2004-03-22 16:17:50
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Document Title	Users Manual
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54Mbps Wireless Network
Access Point
USER MANUAL
Contents
1.
Overview................................................................................................................3
1.1
Product Feature ..........................................................................................3
1.2
System Requirements.................................................................................3
2. Getting Start ...........................................................................................................3
2.1
Know the 54Mbps Wireless Network Access Point ..................................3
2.2
Connect to the 54Mbps Wireless Network Access Point...........................4
2.3
Quick Setup with Wizard ...........................................................................4
2.3.1
Access the Setting Menu................................................................4
2.3.2
Setup with Wizard....................................................................................6
3. Configuration through WEB Browser .................................................................10
3.1
Status........................................................................................................10
3.2
Basic Setting ............................................................................................12
3.3
IP Setting..................................................................................................14
3.4
Advanced Setting .....................................................................................15
3.5 Security ..........................................................................................................17
3.6
Tools.........................................................................................................18
Configuration through AP Utility ................................................................................19
4.1
Link Information......................................................................................19
4.2
AP Settings...............................................................................................20
4.3
IP Setting..................................................................................................22
4.4
WEP Setting.............................................................................................23
4.5
MAC Filter Setting ..................................................................................24
Glossary .......................................................................................................................25
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
●
●
Strong network security with WEP encryption
Quick and easy setup with Web-based management utility.
1.2 System Requirements
●
●
●
●
Windows 98, 98SE, Millennium Edition (ME), 2000 and XP operating systems
Microsoft Internet Explorer 5.5 or higher
One CD-ROM drive
At least one RJ-45 Ethernet network adapter installed.
2. Getting Start
2.1 Know the 54Mbps Wireless Network Access Point
Ports:
●
●
●
Power Receptor
Reset Button
RJ-45 Ethernet Port
Straight through cable is required to connect with router or switch
Cross-over cable is required to connect to computer directly
LEDs:
●
●
●
Power LED: ON when the unit is powered up
LAN LED: ON indicates LAN connection; BLINK indicates LAN activity
WLAN LED: ON indicates WLAN is working; BLINK indicates wireless
activity.
2.2 Connect to the 54Mbps Wireless Network Access Point
Build the Infrastructure Mode
In order to setup an Infrastructure of a wireless network such as the example shown
above, you will need the following:
1. A broadband Internet connection.
2. ADSL or Cable modem provided by your ISP as part of the broadband connection
installation.
3. A Router that connects to the ADSL/Cable modem for Internet connection
sharing.
4. An Access Point to connect with the Router to form a wireless infrastructure
network.
5. Wireless clients equipped with wireless networking devices such as wireless PC
Card for wireless connection.
2.3 Quick Setup with Wizard
2.3.1
Access the Setting Menu
You could start to access the configuration menu anytime by opening a web browser
window by typing the IP address of this access point. The default IP is 192.168.1.1.
The below window will popup.
the default is “admin”.
Please enter the user name and password.
Now, the main menu screen is popup.
Both of
2.3.2
Setup with Wizard
Setup wizard is provided as the part of the web configuration utility. You can simply
follow the step-by-step process to get your Access Point configuration ready to run in
4 easy steps by clicking on the “Wizard” button on the function menu. The following
screen will appear. Please click “Next” to continue.
Step 1: Set Password
You can change the password as you like and then click “Next” to continue.
Step2: Set WLAN Connection
Please type the name of SSID you like and select the channel.
continue.
Then, click “Next” to
Step 3: Set WEP Encryption
If you like to enable WEP, please click “Enabled”. Then, select the key size of
WEP encryption and enter the key value in the key text box. Please click “Next” to
continue.
Step 4: Restart
The Setup wizard is now completed. The new settings will be effective after the
Access Point restarted. Please click “Restart” to reboot the Access Point. If you
do not want to make any changes, please click “exit” to quit without any changes.
You also can go back to modify the setting by clicking “Back”.
3. Configuration through WEB Browser
3.1 Status
This page as below shows you the following information.
Firmware Version: Shows the current firmware version.
LAN: Shows the Mac address, IP address (default: 192.168.1.1), Subnet Mask,
Gateway Address. The current LAN traffic calculated in terms of number of packets
sent and received by AP through wired connection is also displayed.
Wireless: Shows the Mac address, current ESSID, the status of Encryption Function
(Enable or Disable), the current using channel. The current wireless traffic calculated
in terms of number of packets sent and received by AP through wireless
communication is also displayed.
View Log: Upon clicked, the page will change to log page. The log page records
every event and the time that it happens.
You may clear the entries recorded in the log by clicking the “Clear Log” button, and
refresh the screen to show the latest log entries by clicking the “Refresh” button.
3.2 Basic Setting
This is the page allow you to change the access point.
AP Name: The name of the AP, which can be used to identify the Access Point
among the all the Access Points in the wireless network.
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.
Channel: The channel that AP will operate in. You can select the channel range of 1
to 11 for North America (FCC) domain, 1 to 13 for European (ETSI) domain and 1 to
14 for Japanese domain.
Authentication Type: The authentication type default is set to open system.
There are four options: open system; shared key; WPA; WPA-PKS. You may want
to set to Shared Key when the clients and AP in the same wireless network enable the
WEP encryption. All the nodes and hosts on the network must use the same
authentication type.
WEP Key: To disable WEP security, click on the “Disable” option. To enable WEP
security, there are 2 types to select – 64bits and 128 bits. When it is selected, the
key value must be entered in ASCII or HEX format.
Note: When WEP security is enabled, all the wireless clients that wish to connect to
the Access Point must also have WEP enabled with the identical WEP Key value
entered.
Apply: For the changes made to any of the items above to be effective, click “Apply”.
The new settings are now been saved to Access Point and will be effective once the
Access Point restarts.
If WPA-PSK is enabled, users need to set the key in the passphrase field as the below
screen. The key length should be 8 characters at least.
3.3 IP Setting
This page allows you to configure the IP and DHCP settings of the Access Point.
The default IP address of this access point is 192.168.1.1 with the subnet mask of
255.255.255.0. You can type in other values for IP Address, Subnet Mask and
Gateway and click “Apply” button for the changes to be effective.
You can also set the Access Point to obtain the IP from a DHCP server, but it is not
recommended. Select the option “Obtain IP Automatically” and click “Apply” button
for the changes to be effective.
DHCP Server: It is not recommended to enable the DHCP Server if you have a
DHCP server running in your LAN network because it probably will cause possible
the conflict of IP assignment. Enable the DHCP server function by selecting the
option “On”, and enter the IP range.
Click “Apply” for the changes to be effective.
3.4 Advanced Setting
This page contains configurations for advanced users, which the change reflects the
wireless performance and operating modes.
AP Mode: Select one of the AP operating modes for different application of Access
Point.
AP – The normal Access Point operating mode which forms a wireless ESS network
with its wireless clients.
Note: All APs have to use the same Channel and SSID in order to set a Multiple
Bridge network.
Beacon Interval: To set the period of time in milliseconds that AP sends out a
beacon. Default is 100 milliseconds.
RTS Threshold: To set the size of RTS/CTS packet size. Default is 2432 bytes.
Fragmentation Threshold: To set the number of bytes used for the fragmentation
boundary for directed messages. Default is 2436 bytes.
DTIM Interval: This value indicates the interval of the Delivery Traffic Indication
Message (DTIM). A DTIM field is a countdown field informing clients of the next
window for listening to broadcast and multicast messages. When the access point
has buffered broadcast or multicast messages for associated clients, it sends the next
DTIM with a DTIM interval value. Access point clients hear the beacons and awaken
to receive the broadcast and multicast messages.
SSID Broadcast: While SSID Broadcast is enabled, all wireless clients will be able to
communicate with the access point. For secure purpose, you may want to disable
SSID broadcast to allow only those wireless clients with the AP SSID to
communicate with the access point.
3.5 Security
This page is where you configure the security features supported by this Access Point.
Password: Allow you to change the new login password. Here are the necessary
steps:
1. Enter the new password in the “AP Password New:” field.
2. Enter the new password again in the “Confirm” field.
3. Click “Apply”
MAC Filter: MAC Filter function controls the MAC of the network devices that are
listed in this table for access authorization or denial. When MAC Filter is enabled,
by selecting the “Enabled” radio box, select one of two choices:
●Only deny PCs with MAC listed below to access device
●Only allow PCs with MAC listed below to access device
The maximum number of MAC addresses that can be stored is 50. You can browse
through the MAC address saved by selecting the drop-down box.
For any changes made in the security page, click “Apply” for the changes to be
effective.
3.6 Tools
Four functions are provided in this page, Backup, Restore Settings, Restore default
settings and Firmware Upgrade.
Backup Settings: Click on “Backup” button, which will open a FileSave Dialog box,
where you get to save all the current settings and configurations to a file.
Restore Settings: Click on the “Browse” button to open a FileOpen Dialog box,
where you get to select the file, which you save previous settings and configurations.
Upon selecting the saved file, click “Restore” and complete the restore process when
the access point re-operates after it restarts.
Restore to default settings: Click on “Default” button to restore the access point
back to its manufacture default settings.
Firmware Upgrade: Click on the “Browse” button to open a FileOpen Dialog box,
where you get to select the firmware file, which you download from the web for the
latest version. Upon selecting the firmware file, click “Upgrade” and complete the
firmware upgrade process when the Access Point re-operates after it restarts.
Configuration through AP Utility
4.1 Link Information
Link information is showing you the related current setting of the first AP.
4.2 AP Settings
Basic Setting:
ESSID: It is used by all wireless devices within the wireless network.
Channel: Select the appropriate channel from the dropping list. All wireless devices
with the same ESSID will automatically use this channel to communicate with this
access point.
AP Name: users can set the name for access point so as to easily manage the access
points while there are several access points in the network..
Mode Setting:
Access Point: This is the default for this access point.
to wired network.
It connects the wireless PCs
Advanced Setting:
Beacon Interval: To set the period of time in milliseconds that AP sends out a
beacon. Default is 100 milliseconds.
RTS Threshold: To set the size of RTS/CTS packet size. Default is 2432 bytes.
Fragmentation Threshold: To set the number of bytes used for the fragmentation
boundary for directed messages. Default is 2436 bytes.
DTIM Interval: This value indicates the interval of the Delivery Traffic Indication
Message (DTIM). A DTIM field is a countdown field informing clients of the next
window for listening to broadcast and multicast messages. When the access point
has buffered broadcast or multicast messages for associated clients, it sends the next
DTIM with a DTIM interval value. Access point clients hear the beacons and awaken
to receive the broadcast and multicast messages.
TX Rates (MBps): Select one of the wireless communications transfer rates,
measured in megabytes per second, based upon the speed of wireless adapters
connected to the WLAN.
SSID Broadcast: While SSID Broadcast is enabled, all wireless clients will be able to
communicate with the access point. For secure purpose, you may want to disable
SSID broadcast to allow only those wireless clients with the AP SSID to
communicate with the access point
4.3 IP Setting
Fixed IP Address: Users can assign a fixed IP address to this AP manually.
DHCP Client: Enable the DHCP server function by clicking the radio button if you
have the DHCP server running in your LAN network. It is not recommended
because it probably will cause possible the conflict of IP assignment.
4.4 WEP Setting
Data Encryption: please tick it if you like to have WEP key as the encryption
mechanism.
Authentication Type: There are four options: Open System; Shared Key; WPA;
WPA-PKS. You may want to set to Shared Key when the clients and AP in the
same wireless network enable the WEP encryption. All the nodes and hosts on the
network must use the same authentication type.
WEP Key: This will be enabled only while data encryption is selected.
The key value must be entered in ASCII or HEX format by clicking the radio button.
Besides, there are two options for the key length: 64bits or 128bits. There are four
key sets are available to assign.
4.5 MAC Filter Setting
MAC Filter: MAC Filter function controls the MAC of the network devices that are
listed in this table for access authorization or denial. When MAC Filter is enabled,
by selecting the “Enabled” radio box, select one of two choices:
●Deny (PCs with MAC listed below to access device)
●Allow (PCs with MAC listed below to access device)
The maximum number of MAC addresses that can be stored is 50. You can browse
through the MAC address saved by selecting the drop-down box.
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.
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.
BSS: BSS stands for “Basic Service Set”. It is an Access Point and all the LAN PCs
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 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.
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 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.
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.

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