Cameo Communications WLG2009 802.11g Wireless LAN Access Point User Manual M WLG 2009 V2 0 54M Marvell AP

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Document ID	601452
Application ID	68Yi6UfUtXdIV+Mdn6RsbA==
Document Description	Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	119.41kB (1492579 bits)
Date Submitted	2005-11-10 00:00:00
Date Available	2005-11-10 00:00:00
Creation Date	2005-11-09 15:00:53
Producing Software	Acrobat PDFWriter 5.0 for Windows NT
Document Lastmod	2005-11-09 15:13:12
Document Title	M-WLG-2009-V2.0 _54M Marvell AP_.doc
Document Creator	M-WLG-2009-V2.0 (54M Marvell AP) - Microsoft Word
Document Author:	Cathy

802.11g Wireless LAN
Access Point
USER MANUAL
Contents
1.
2.
3.
4.
5.
Overview.............................................................................................. 1
1.1
Product Feature..........................................................................................1
1.2
System Requirements ...............................................................................1
Getting Start with Access Point ........................................................... 2
2.1
Know the 54Mbps Wireless Network Access Point ..............................2
2.2
Connect to the 54Mbps Wireless Network Access Point .....................2
2.3
Quick Setup with Wizard ...........................................................................3
2.3.1
Access the Setting Menu...................................................................3
2.3.2 Setup with Wizard...............................................................................5
Configuration Access Point through WEB Browser ............................ 8
3.1
Status............................................................................................................8
3.2
Basic Setting .............................................................................................10
3.3
IP Setting ...................................................................................................12
3.5 Security.......................................................................................................15
3.6
Tools ...........................................................................................................16
Configuration through AP Utility........................................................ 18
4.1
Link Information ........................................................................................18
4.2
AP Setting ..................................................................................................19
4.3 IP Setting ....................................................................................................21
4.4 WEP Setting ..............................................................................................22
Glossary ............................................................................................ 24
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 and WPA-PSK.
Quick and easy setup with Web-based management utility.
1.2 System Requirements
Windows 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 with Access Point
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, user will need the following:
1. A broadband Internet connection.
2. ADSL or Cable modem provided by 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
User could start to access the configuration menu anytime by opening a web
browser window and typing the IP address of this access point. The default IP
is 192.168.1.1.
The below window will popup.
Both of the default is “admin”.
Please enter the user name and password.
Now, the main menu screen is popup.
2.3.2
Setup with Wizard
Setup wizard is provided as the part of the web configuration utility. User can
simply follow the step-by-step process to get 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
User can change the password and then click “Next” to continue.
Step2: Set WLAN Connection
Please type the name of SSID and select the channel. Then, click “Next” to
continue.
Step 3: Set WEP Encryption
If user wants 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
user does not want to make any changes, please click “exit” to quit without any
changes. User also can go back to modify the setting by clicking “back”.
3. Configuration Access Point through
WEB Browser
3.1 Status
This page as below shows 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: Once clicked, the page will change to login page. The login page
records every event and the time that it happens.
User 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 user to change the access point settings.
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. User can select the channel
range from 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 and WPA-PKS. User
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.
10
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, user needs to set the key in the passphrase field as the
below screen. The key length should be 8 characters at least.
11
3.3 IP Setting
This page allows user 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. User can type in other values for IP Address, Subnet Mask
and Gateway and click “Apply” button for the changes to be effective.
User 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 user has a
DHCP server running in 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.
12
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.
13
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, user may want
to disable SSID broadcast to allow only those wireless clients with the AP SSID
to communicate with the access point.
14
3.5
Security
This page is where user configures the security features supported by this
Access Point.
Password: Allow user 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”
15
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. User 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.
16
Backup Settings: Click on “Backup” button, which will open a FileSave Dialog
box, where user gets 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 user gets to select the file, which saves 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 gets to select the firmware file, which 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.
17
4. Configuration through AP Utility
4.1 Link Information
Link information is showing the related current setting of the first AP.
18
4.2 AP Setting
Basic Setting:
ESSID: All wireless devices within the wireless network use it.
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. It connects the wireless
PCs to wired network.
19
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.
20
SSID Broadcast: While SSID Broadcast is enabled, all wireless clients will be
able to communicate with the access point. For secure purpose, user may want
to disable SSID broadcast to allow only those wireless clients with the AP SSID
to communicate with the access point
Mode Setting: There are 2 modes, mixed mode and g mode, for user to decide
which environment is suitable. Mixed mode means 802.11b plus 802.11g. When
g mode is selected, user can run 54Mbps while all users are in the 802.11g
environments. Once one of the users in the same environment using 802.11b,
then all the other users can only run 11Mbps as 802.11b.
4.3
IP Setting
21
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
user has 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 user likes to have WEP key as the encryption
mechanism.
Authentication Type: There are four options: Open System; Shared Key;
WPA-PKS. User 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.
22
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. User can
browse through the MAC address saved by selecting the drop-down box.
23
5. 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.
24
Channel: The bandwidth which wireless Radio operates is divided into several
segments, which 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.
25
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
electro technology 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 that 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.
26
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.
27
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.
28
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. To
maintain compliance with FCC RF exposure compliance requirements, please
avoid direct contact to the transmitting antenna during transmitting.
This transmitter must not be co-located or operating in conjunction with
any other antenna or transmitter.
We declare that the product is limited in CH1~CH11 by specified
firmware controlled in the USA.

---

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