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PJ-WPD-200
ireless Presentation Gateway
W
User Guide
IMPOR
TANT: Please read this User Guide to obtain important information on installing
and using your product in a safe manner, as well as registering your product for future
service. Warranty information contained in this User Guide will describe your limited
coverage from ViewSonic Corporation, which is also found on our web site at http://
www.viewsonic.com in English, or in specic languages using the Regional selection
box in the upper right corner of our website. “Antes de operar su equipo lea cu
idadosamente las instrucciones en este manual”
Model No.: VS15989
Page 2
Compliance Information
Please read before proceeding
• Use only the batteries and power adapter provided by the manufacturer. The use of
unauthorized accessories may void your warranty
• Do not store your device in temperatures higher than 50°C (122°F).
• The operating temperature for this device is from 0°C (32°F) to 35°C (95°F).
FCC Notice
The following statement applies to all products that have received FCC approval. Applicable
products bear the FCC logo, and/or an FCC ID in the format FCC ID: GSS-VS158 on
the product label.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. This mobiledevice 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 frequencyenergy and, if
not installed and used in accordance with the instructions, may cause harmful interferenceto
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 or more 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.
Changes or modications not expressly approved by the party responsible for compliance
could void theuser’s authority to operate the equipment.The antenna(s) used for this
transmitter must not be colocated or operating in conjunction with any otherantenna or
transmitter.
.
FCC SAR Information
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment. End users must follow the specic operating instructions for satisfying RF
exposure compliance.
This transmitter must not be co-located or operating in conjunction with any other antenna or
transmitter. This equipment should be installed and operated with a minimum distance of 20
centimeters between the radiator and your body.
The users manual or instruction manual for an intentional or unintentional radiator shall
caution the user that changes or modications not expressly approved by the party
responsible for compliance could void the user's authority to operate the equipment.
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CE Conformity for European Countries
The device complies with the EMC Directive 2004/108/EC and Low Voltage
Directive 2006/95/EC, R&TTE Directive 1999/5/EC.
Following information is only for EU-member states:
The mark shown to the right is in compliance with the Waste Electrical and
Electronic Equipment Directive 2002/96/EC (WEEE).
The mark indicates the requirement NOT to dispose the equipment as unsorted
municipal waste, but use the return and collection systems according to local law.
If the batteries, accumulators and button cells included with this equipment, display
the chemical symbol Hg, Cd, or Pb, then it means that the battery has a heavy metal
content of more than 0.0005% Mercury, or more than 0.002% Cadmium, or more
than 0.004% Lead.
European Union Regulatory Conformance
The equipment complies with the RF Exposure Requirement 1999/519/EC, Council
Recommendation of 12 July 1999 on the limitation of exposure of the general public to
electromagnetic elds (0-300 GHz).
standards: EN301489-1, EN301489-17, EN60950-1, EN300328.
This equipment meets the following conformance
We, hereby, declare that this Wi-Fi radio is in compliance with the essential requirements
and other relevant provisions of Directive 1999/5/EC.
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Declaration of RoHS2 Compliance
This product has been designed and manufactured in compliance with Directive 2011/65/EU
of the European Parliament and the Council on restriction of the use of certain hazardous
substances in electrical and electronic equipment (RoHS2 Directive) and is deemed to
comply with the maximum concentration values issued by the European Technical
Adaptation Committee (TAC) as shown below:
Substance
Lead (Pb) 0.1% < 0.1%
Mercury (Hg) 0.1% < 0.1%
Cadmium (Cd) 0.01% < 0.01%
Hexavalent Chromium (Cr6+) 0.1% < 0.1%
Polybrominated biphenyls (PBB) 0.1% < 0.1%
Polybrominated diphenyl ethers (PBDE) 0.1% < 0.1%
Certain components of products as stated above are exempted under the
Proposed Maximum
Concentration
Actual Concentration
Annex of the
RoHS2 Directives as noted below:
Examples of exempted components are:
1. Mercury in compact uorescent lamps not exceeding 5 mg per lamp and in other lamps
not specically mentioned in the Annex of RoHS2 Directive
2. Lead in glass of cathode ray tubes, electronic components, uorescent tubes, and
electronic ceramic parts (e.g. piezoelectronic devices)
3. Lead in high temperature type solders (i.e. lead-based alloys containing 85% by weight or
more lead)
Lead as an allotting element in steel containing up to 0.35% lead by weight, aluminium containing up to 0.4% lead by weight and as a cooper alloy containing up to 4% lead by weight
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C
opyright Information
Copyright © V
ViewSonic
iewSonic
®
, the three birds logo, OnV
trademarks of V
Disclaimer: V
iewSonic
iewSonic
®
Corporation, 2013.
iew
®
Corporation.
®
Corporation shall not be liable for technical or editorial errors or
All rights reserved.
®
iewMatch
, V
™
, and V
iewMeter
®
are registered
omissions contained herein; nor for incidental or consequential damages resulting from
furnishing this material, or the performance or use of this product.
In the interest of continuing product improvement, V
iewSonic
®
Corporation reserves the right
to change product specications without notice. Information in this document may change
without notice.
No part of this document may be copied, reproduced, or transmitted by any means, for any
purpose without prior written permission from V
iewSonic® Corporation.
Product Registration
T
o meet your future needs, and to receive any additional product information as it becomes
available, please register your product on the Internet at: www.viewsonic.com.
F
or Your Records
Product Name:
PJ-WPD-200
Wireless Presentation Gateway
Model Number:
Document Number:
Serial Number:
Purchase Date:
VS15989
PJ-WPD-200_UG_ENG_Rev.1A 07-03-14
Product disposal at end of product life
ViewSonic respects the environment and is committed to working and living green. Thank
you for being part of Smarter, Greener Computing. Please visit ViewSonic website to learn
more.
USA & Canada: http://www.viewsonic.com/company/green/recycle-program/
Europe: http://www.viewsoniceurope.com/uk/support/recycling-information/
Taiwan: http://recycle.epa.gov.tw/recycle/index2.aspx
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Declaration of RoHS2 Compliance
This product has been designed and manufactured in compliance with Directive 2011/65/EU
of the European Parliament and the Council on restriction of the use of certain hazardous
substances in electrical and electronic equipment (RoHS2 Directive) and is deemed to
comply with the maximum concentration values issued by the European Technical
Adaptation Committee (TAC) as shown below:
Substance
Lead (Pb) 0.1% < 0.1%
Mercury (Hg) 0.1% < 0.1%
Cadmium (Cd) 0.01% < 0.01%
Hexavalent Chromium (Cr6+) 0.1% < 0.1%
Polybrominated biphenyls (PBB) 0.1% < 0.1%
Polybrominated diphenyl ethers (PBDE) 0.1% < 0.1%
Certain components of products as stated above are exempted under the
Proposed Maximum
Concentration
Actual Concentration
Annex of the
RoHS2 Directives as noted below:
Examples of exempted components are:
1. Mercury in compact uorescent lamps not exceeding 5 mg per lamp and in other lamps
not specically mentioned in the Annex of RoHS2 Directive
2. Lead in glass of cathode ray tubes, electronic components, uorescent tubes, and
electronic ceramic parts (e.g. piezoelectronic devices)
3. Lead in high temperature type solders (i.e. lead-based alloys containing 85% by weight or
more lead)
Lead as an allotting element in steel containing up to 0.35% lead by weight, aluminium containing up to 0.4% lead by weight and as a cooper alloy containing up to 4% lead by weight
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Information To User ..................................................…….. I
1. Introduction .........................................................…… 1
2. Wireless LAN Basics ................................................……. 3
3. IP ADDRESS ................................................... .......……. 4
4. Install Driver/Utility ........................................ .......……. 5
4.1 Windows XP/Vista/Win7.......................................... 5
5. Wireless Network Configuration ....................................... 7
5.1 Utility Icon ........................................................ 7
5.2 Client Mode (Default Setting)................................... 7
6. Technical Specifications ............................................... 15
7. Troubleshooting ......................................................... 16
8. Glossary ................................................................... 17
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INFORMATION TO USER
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.
FCC Caution: To assure continued compliance, any changes or modifications not
expressly approved by the party responsible for compliance could void the user's
authority to operate this equipment. (Example - use only shielded interface cables when
connecting to computer or peripheral devices).
FCC Radiation Exposure Statement
This equipment complies with FCC RF radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with a
minimum distance of 20 centimeters between the radiator and your body.
This transmitter must not be co-located or operating in conjunction with any other
antenna or transmitter.
The antennas used for this transmitter must be installed to provide a separation distance
of at least 20 cm from all persons and must not be co-located or operating in conjunction
with any other antenna or transmitter.
The use of the USB dongle with laptops/notebooks is prohibited.
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Europe- R&TTE Com
reby, the company who declares that this equipment complies with the essential requirements
He
and other relevant provisions of DIRECTIVE 1999/5/CE OF THE EUROPEAN PARLIAMENT AND
THE COUNCIL of March 9, 1999 on radio equipment and telecommunication terminal Equipment
and the mutual recognition of their conformity (R&TTE).
For the following equipment:
pliance Statement
CE Declaration of Conformity
(Product Name)
(Mod
el Designation)
rewith confirmed to comply with the requirements set out in the Council (European
is he
parliament) Directive on the Approximation of the Laws of the Member States relating to
Electromagnetic Compatibility of Radio and Telecom device (1999/5/EC). For the
evaluation regarding this Directive, the following standards were applied:
EN 300 328 V1.7.1
EN 301 489-1 V1.8.1 ; EN 301 489-17 V2.1.1
EN 60950-1:2006+A11:2009
This e
quipment is marked with the
European community.
Caution: Exposure to Radio Frequency Radiation.
To comply with RF exposure compliance requirements, for mobile configurations, a separation
distance of at least 20 cm must be maintained between the antenna of this device and all persons.
This device is intended for use as check in the following European Community countries:
Aus
tria
mark
Den
any
Germ
It
aly
Lithuani
Portugal Poland S
Slovakia Slovenia U
a
Wireless Presentation Dongle
symbol and can be used throughout the
Belgium Czech Re
Estonia Fran
ece
Gre
Icelan
d
a
Malt
public
ce
ungary
H
Luxemb
No
urg
rway
pain
nited Kingdom
Cyprus
Finlan
d
Irelan
Latvia
Nethe
en
Swed
d
rlands
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The channel identifiers, channel center frequencies, and regulatory domains of
each 22-MHz-wide channel are shown in following Table.
Channel
Identifier
1
2
3
4
5
6
7
8
9
10
11
12
13
Frequency
(MHZ)
2412
2417
● ● ●
2422
● ● ● ●
2427
● ● ● ●
2432
● ● ● ●
2437
● ● ● ●
2442
● ● ● ●
2447
● ● ● ●
2452
● ● ● ●
2457
● ● ●
2462
● ● ●
2467
● ●
2472
● ●
Regulatory Domains
Japan ETSI
●
● ●
North
America
Israel
Mexico
●
●
14
2484
●
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Thank you for your purchase of the WLAN Adapter. Featuring wireless
technology, this wireless networking solution has been designed for both
large and small businesses, and it is scalable so that you can easily add
more users and new network features depending on your business scale.
FEATURES
Support Microsoft XP(32bit/64bit) / Vista(32bit/64bit) / Win7(32bit/64bit).
Operating distance of up to 300 meters in free space.
150/120/90/60/54/48/36/30/24/22/18/12/11/6/5.5/2/1 Mbps selectable Data
Rate.
64/128-bit WEP , WPA (Wi-Fi Protected Access), WPA2
2.400GHz ~ 2.4835GHz unlicensed ISM Frequency Band.
Modulation Method :
IEEE 802.11b : DSSS (Direct Sequence Spread Spectrum).
IEEE 802.11g / 802.11n : OFDM (Orthogonal Frequency Division
Multiplexing). Easy operation and setting up.
SYSTEM REQUIREMENTS
Windows System : XP(32bit/64bit) / Vista(32bit/64bit) / Win7(32bit/64bit).
System must have a device driver installed. It allows you to
communicate with WLAN 11n USB Client Adapter.
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BEFORE YOU START
1. Confirm Box Contents
◆
WLAN 11n USB Client Adapter
◆ Quick Start Guide
◆
Driver CD
CONNECTING YOUR WLAN 11n USB Client Adapter
Quick Start Guide
Connect your WLAN 11n USB Client Adapter. Install driver.
GETTING TO KNOW WIRELESS LAN ADAPTER
LED
LED turns on when WLAN link to WLAN adaptor or AP.
LED is blinking when WLAN Adapter is active.
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Wireless LAN network defined by IEEE 802.11b/g standard committee
could be configured as :
Ad Hoc wireless LAN.
Infrastructure wireless LAN.
Ad Hoc network is a group of wireless LAN cards, this
group is called a BSS (Basic Service Set). This group can use their wireless
LAN cards to communicate with each other, but can not
connect to the Internet.
Ad Hoc Wireless Network Infrastructure Wireless Network
The most obvious dif ference between Infrastructure wireless network
and Ad Hoc wireless network in Infrastructure wireless network can
access the resource in the Internet through Access Point.
Depending on your requirement, you can easily set up your system
network to be a “Ad Hoc” or “Infrastructure” wireless network. Generally
speaking, if in your network, there is an Access Point in it, we recommend
you to set your network as an “Infrastructure”, so it can connect to
the Internet.
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To use the WLAN 11n USB Client Adapter with a computing device, the WLAN
Adapter must be equipped with a proper Interface. All drivers and supporting
software for the WLAN Adapter must be installed and configured first.
Ask your system administrator for the following information, which
you may need to provide during driver installation :
Your Wireless Client
Name. Your Wireless
SSID.
Your personal computer’s unique client name and
workgroup name. For your network account, your user
name and password.
Your IP address, gateway address, and subnet mask if you’re
not using a DHCP client.
Any personal computer on a network is identified by a unique
network address. There are two methods to assign a network
address to a personal computer on a TCP/IP network :
Static IP addressing.
Dynamic IP addressing (DHCP Client).
In network with static IP addressing, the network administrator
manually assigns an IP address to each personal computer. Once a
static IP address is assigned, a personal computer uses the same IP
address every time it reboots and logs on to the network. You may
manually change the IP address in the
Network Properties dialog box.
Network using static IP address is
easy to set up and do not require additional network management
software.
In network with dynamic IP addressing, a DHCP server in the
network dynamically assigns IP addresses to all clients every time
they log on to the network. Network using dynamic IP address
requires setting up and running a DHCP Server.
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The installation & driver CD will automatically activate the autorun installation
program after you insert the disk into your CD drive.
Step 1 :
Insert the installatio n CD into your
CD-ROM. Choose the Setup
Language and click Next button.
Step 2 :
Installation descriptions
shown. Click Next to
continue.
Click Install to begin the installation
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Installing & configuring WLAN utility
Installing Drivers.
Step 3 :
Click Finish to complete installation
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WLAN 11n USB Client Adapter uses its own management software. All
functions controlled by users are provided by this application. When you insert
the WLAN Adapter into your personal computer, a icon should appear in the
Windows System Tray automatically.
5.1 Utility Icon
▓
Client mode utility running but no WLAN Adapter plugged
▓
Client mode utility running and WLAN Adapter scan available network.
▓
Client mode utility running and WLAN Adapter can not scan any AP
▓
AP mode utility running.
5.2 Client Mode (Default Setting)
Wireless Device Control :
▓ Show Tray Icon – Show icon or not show icon in systray.
▓ Radio Off – Stop wireless signal.
▓ Disable Adapter – Stop wireless device.
▓ Windows Zero Config – Stop Use Utility.
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5.2.1 GENERAL SETTING
Once device is set, double
click on that icon and the
configuration window will pop
up as shown. It shows the
current connected network.
The signal strength and link
quality are displayed also.
The bar graph displays the
quality and strength of the link
between the node and its Access Point. Link Quality is a
measurement of receiving and transmitting performances over the
radio.
Network Address displays current MAC Address, IP Address,
Subnet. and Gateway.
Click Renew IP button to refresh IP address leased from wireless
AP.
5.2.2 PROFILE SETTING
In profile tab, you can
Add, Remove, Edit,
Duplicate and Set Default to
manipulate profile content
manually. Strongly
recommend to use profile
after you do Available
Network.
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5.2.3 AVAILABLE NETWOEK SETTING
Click Available Network
tab and it will show all
available networks that radio
can reaches. Select proper
SSID & BSSID you want to
connect.
Click Refresh button to
force and rescan available
5.2.4 Status
networks currently.
Select one of SSIDs, and click Add to Profile to create profile that
can be configured more
wireless parameters.
In this page, you can edit
your profile name,
configure wireless security
like WEP, WPA, WPA2,
802.1x …etc. After
finishing setup, click OK
button to save
configuration
Status page tab, shows all
wireless, networking and
device driver version in
details.
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5.2.5 Statistics
Statistics page tab will show
real-time TX/RX relative
counters to check or
evaluate the
wireless performance.
Click Reset button to set
counter to
zero.
5.2.6 Wi-Fi Protected Setup
An easy and secure setup
solution for Wi-Fi network.
you can choose PIN Code or
Push Button method to
connect to an AP.
▓ Pin method:
Step 1 :
Push the PIN button.
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Step 2 :
Select a specific AP
Step 3 :
Enter the PIN code into your AP.
Step 3 :
Select AP that you want to
configure.
Step 4 :
Wait for configuring your
wireless AP to be the security
setting.
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▓ PBC method:
Step 1 :
Push the PBC button.
Step 2 :
Push the physical button on
your AP or visual button on
the WPS config page.
▓ Soft AP:
Step 1 :
Click Access Point to change AP
mode
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Step 2 :
Click Config to set AP.
Step 3 :
Setting SSID and Securtiy
Step 4 :
Choosing the Ethernet controller
and click Apply to bridge your
Soft AP.
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Product Name 11n Wi-Fi USB Dongle(2T2R)
Standard 802.11b/g/n, 802.3, 802.3u
Data Transfer Rate 1,2,5.5,6,11,12,18,22 ,24,30,36,48,54,60,90,120 and maximum of
150M bps
Modulation Met hod BPSK/ QPSK/ 16-QAM/ 64-QAM
Frequency Band 2.4GHz ISM Band
Spread Spectrum IEEE 802.11b: DSSS (Direct Sequence Spread Spectrum)
IEEE 802.11g/n:OFDM (Orthogonal Frequency Division
Multiplexing)
RF Out p ut Pow e r
Operation Mode Ad hoc, Infrastructure
Receiver Sensitivity 11Mbps -80dBm@8%, 54Mbps -70dBm@10% , 130Mbps -64dBm@10%
Operation Range Up to 180m in open space
LED Power
OS Support
Security WEP, TKIP, AES, WPA and WPA2
Interface USB 2.0
Power Consumption Transmit: average 305 mA
Operating Temperature 0 – 50° C ambient temperatur e
S torage Temperature -10 ~ 70°C ambient temperature
Humidity 5 to 90 % maxi mum (non-condensing)
Dimension 23.5 x 14.4 x 5.8mm (LxWxH) Cuboid body
Dimension 23.5 x 15.2 x 8mm (LxWxH) Arc body
802.11b : 22.34 dBm
802.11g: 25.19 dBm
802.11n(20M): 22.24 dBm
802.11n(40M): 21.28 dBm
Windows XP /Vista /7, Mac, Linux
Receive: average 190 mA
，
，
，
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Symptom :
The LED is off.
Remedy :
Make sure the dongle is inserted properly. Otherwise contact your vendor.
Symptom :
The LED is always on not blinking.
Remedy :
Make sure that you have installed the driver from attached CD. Otherwise
contact your vendor.
Symptom :
The LED is blinking but the icon does not appear in your icon tray.
Remedy :
Make sure that you have installed the Utility from the attached CD.
Symptom :
The dongle is linking, but can’t share files with others.
Remedy :
Make sure the file and printer sharing function is enabled. You can
enable the function by checking the icon of My Computer -> Control
Panel -> Network -> file and printer sharing -> I want to be able to give
others to access to my files.
Symptom :
Slow or poor performance under AP mode
Remedy :
Try to select another channel for the communicating group or move your
device closer to the Access Point.
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IEEE 802.11 Standard
The IEEE 802.11 Wireless LAN standards subcommittee, which is formulating
a standard for the industry.
Access Point
An internetworking device that seamlessly connects wired and wireless
networks together.
Ad Hoc
An Ad Hoc wireless LAN is a group of personal computers, each with a WLAN
adapter, connected as an independent wireless LAN. Ad Hoc wireless LAN
is applicable at a departmental scale for a branch or SOHO operation.
BSSID
A specific Ad Hoc LAN is called a Basic Service Set (BSS). Personal
computers in a
BSS must be configured with the same BSSID.
DHCP
Dynamic Host Configuration Protocol - a method in which IP addresses are
assigned by server dynamically to clients on the network. DHCP is used for
Dynamic IP Addressing and requires a dedicated DHCP server on the
network.
Direct Sequence Spread Spectrum
This is the method the wireless cards use to transmit data over the frequency
spectrum. The other method is frequency hopping. Direct sequence
spreads the data over one frequency range (channel) while frequency
hopping jumps from one narrow frequency band to another many
times per second.
ESSID
An Infrastructure configuration could also support roaming capability for
mobile workers. More than one BSS can be configured as an Extended
Service Set (ESS). Users within an ESS could roam freely between BSSs
while served as a continuous connection to the network wireless stations
and Access Points within an ESS must be configured with the same ESSID
and the same radio channel.
Ethernet
Ethernet is a 10/100Mbps network that runs over dedicated home/office
wiring. Users must be wired to the network at all times to gain access.
Gateway
A gateway is a hardware and software device that connects two dissimilar
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systems, such as a LAN and a mainframe. In Internet terminology, a gateway
is another name for a router. Generally a gateway is used as a funnel
for all traffic to the Internet.
IEEE
Institute of Electrical and Electronics Engineers
Infrastructure
An integrated wireless and wired LAN is called an Infrastructure
configuration. Infrastructure is applicable to enterprise scale for wireless
access to central database, or wireless application for mobile workers.
ISM Band
The FCC and their counterparts outside of the U.S. have set aside bandwidth
for unlicensed use in the so-called ISM (Industrial, Scientific and
Medical) band. Spectrum in the vicinity of 2.4 GHz, in particular, is being
made available worldwide. This presents a truly revolutionary opportunity
to place convenient high-speed wireless capabilities in the hands of users
around the globe.
Local Area Network (LAN)
A LAN is a group of personal computers, each equipped with the appropriate
network adapter card connected by cable/air, that share applications, data,
and peripherals. All connections are made via cable or wireless media,
but a LAN does not use telephone serv ices. It typically spans a single
building or campus.
Network
A network is a system of personal computers that is connected. Data, files,
and messages can be transmitted over this network. Networks may be local
or wide area networks.
Protocol
A protocol is a standardized set of rules that specify how a conversation
is to take place, including the format, timing, sequencing and/ or error
checking.
SSID
A Network ID unique to a network. Only clients and Access Points that
share the same SSID are able to communicate with each other. This string
is case-sensitive.
Static IP Addressing
A method of assigning IP addresses to clients on the network. In networks
with Static IP address, the network administrator manually assigns an IP
address to each personal computer. Once a Static IP address is assigned, a
personal computer
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uses the same IP address every time it reboots and logs on to the
network, unless it is manually changed.
Temporal Key Integrity Protocol (TKIP)
The Temporal Key Integrity Protocol, pronounced tee-kip, is part of the
IEEE 802.11i encryption standard for wireless LANs. TKIP is the next
generation of WEP, the Wired Equivalency Protocol, which is used to
secure 802.11 wireless LANs. TKIP provides per-packet key mixing, a
message integrity check and a re-keying mechanism, thus fixing the
flaws of WEP.
Transmission Control Protocol / Internet Protocol (TCP/IP)
TCP/IP is the protocol suite developed by the Advanced Research
Projects Agency (ARPA). It is widely used in corporate Internet works,
because of its superior design for WANs. TCP governs how packet is
sequenced for transmission the network. The term “TCP/IP” is often
used generically to refer to the entire suite of related protocols.
Transmit / Receive
The wireless throughput in Bytes per second averaged over two seconds.
Wi-Fi Alliance
The Wi-Fi Alliance is a nonprofit international association formed in 1999
to certify interoperability of wireless Local Area Network products based
on IEEE 802.11 specification. The goal of the Wi-Fi Alliance’s members is
to enhance the user experience through product interoperability. The
organization is formerly known as WECA.
Wi-Fi Protected Access (WPA)
The Wi-Fi Alliance put together WPA as a data encryption method for
802.11 wireless LANs. WPA is an industry-supported, pre-standard version
of 802.11i utilizing the Temporal Key Integrity Protocol (TKIP),
which fixes the problems of WEP, including using dynamic keys.
Wide Area Network (WAN)
A WAN consists of multiple LANs that are tied together via telephone
services and / or fiber optic cabling. WANs may span a city, a state, a
country, or even the world.
Wired Equivalent Privacy (WEP)
Now widely recognized as flawed, WEP was a data encryption method
used to protect the transmission between 802.11 wireless clients and
APs. However, it used the same key among all communicating devices.
WEP’s problems are well-known, including an insufficient key length and
no automated method for distributing the keys. WEP can be easily
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cracked in a couple of hours with off-the-shelf tools.
Wireless LAN (WLAN)
A wireless LAN does not use cable to transmit signals, but rather uses
radio or infrared to transmit packets through the air. Radio Frequency
(RF) and infrared are the commonly used types of wireless transmission.
Most wireless LANs use spread spectrum technology. It offers limited
bandwidth, usually under 11Mbps, and users share the bandwidth with
other devices in the spectrum; however, users can operate a spread
spectrum device without licensing from the Federal Communications
Commission (FCC).
Fragment Threshold
The proposed protocol uses the frame fragmentation mechanism defined in
IEEE 802.11 to achieve parallel transmissions. A large data frame is
fragmented into several fragments each of size equal to fragment threshold.
By tuning the fragment threshold value, we can get varying fragment sizes.
The determination of an efficient fragment threshold is an important issue in
this scheme. If the fragment threshold is small, the overlap part of the master
and parallel transmissions is large. This means the spatial reuse ratio of
parallel transmissions is high. In contrast, with a large fragment threshold, the
overlap is small and the spatial reuse ratio is low. However high fragment
threshold leads to low fragment overhead. Hence there is a trade-off between
spatial re-use and fragment overhead.
Fragment threshold is the maximum packet size used for fragmentation.
Packets larger than the size programmed in this field will be fragmented If you
find that your corrupted packets or asymmetric packet reception (all send
packets, for example). You may want to try lowering your fragmentation
threshold. This will cause packets to be broken into smaller fragments. These
small fragments, if corrupted, can be resent faster than a larger fragment.
Fragmentation increases overhead, so you'll want to keep this value as close
to the maximum value as possible.
RTS (Request To Send) Threshold
The RTS threshold is the packet size at which packet transmission is governed
by the RTS/CTS transaction. The IEEE 802.11-1997 standard allows for short
packets to be transmitted without RTS/CTS transactions. Each station can
have a different RTS threshold. RTS/CTS is used when the data packet size
exceeds the defined RTS threshold. With the CSMA/CA transmission
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mechanism, the transmitting station sends out an RTS packet to the receiving
station, and waits for the receiving station to send back a CTS (Clear to Send)
packet before sending the actual packet data. This setting is useful for
networks with many clients. With many clients, and a high network load, there
will be many more collisions. By lowering the RTS threshold, there may be
fewer collisions, and performance should improve. Basically, with a faster RTS
threshold, the system can recover from problems faster. RTS packets
consume valuable bandwidth, however, so setting this value too low will limit
performance.
Beacon Interval
In addition to data frames that carry information from higher layers, 802.11
includes management and control frames that support data transfer. The
beacon frame, which is a type of management frame, provides the "heartbeat"
of a wireless LAN, enabling stations to establish and maintain communications
in an orderly fashion. Beacon Interval represents the amount of time between
beacon transmissions. Before a station ent ers power save mode, the station
needs the beacon interval to know when to wake up to receive the beacon
(and learn whether there are buffered frames at the access point).
Preamble Type
There are two preamble types defined in IEEE 802.11 specification. A long
preamble basically gives the decoder more time to process the preamble. All
802.11 devices support a long preamble. The short preamble is designed to
improve efficiency (for example, for VoIP systems). The difference between the
two is in the Synchronization field. The long preamble is 128 bits, and theshort
is 56 bits.
WPA2
It is the second generation of WPA. WPA2 is based on the final IEEE 802.11i
amendment to the 802.11 standard.
Temporal Key Integrity Protocol (TKIP)
The Temporal Key Integrity Protocol, pronounced tee-kip, is part of the IEEE
802.11i encryption standard for wireless LANs. TKIP is the next generation of
WEP, the Wired Equivalency Protocol, which is used to secure 802.11 wireless
LANs. TKIP provides per-packet key mixing, a message integrity check and a
re-keying mechanism, thus fixing the flaws of WEP.
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802.1x Authentication
802.1x is a framework for authenticated MAC-level access control, defines
Extensible Authentication Protocol (EAP) over LANs (WAPOL). The standard
encapsulates and leverages much of EAP, which was defined for dial-up
authentication with Point-to-Point Protocol in RFC 2284.
Beyond encapsulating EAP packets, the 802.1x standard also defines EAPOL
messages that convey the shared key information critical for wireless security.
Advanced Encryption Standard (AES)
Security issues are a major concern for wireless LANs, AES is the U.S.
government’s next-generation cryptography algorithm, which will replace DES
and 3DES.
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Customer Support
For technical support or product service, see the table below or contact your reseller.
Note : You will need the product serial number.
Country/Region Website
Australia/New Zealand www.viewsonic.com.au
Canada www.viewsonic.com
Europe www.viewsoniceurope.com www.viewsoniceurope.com/uk/support/call-desk/
Latin America
(Columbia)
Renta y Datos, 29 SUR 721, COL. LA PAZ, 72160 PUEBLA, PUE. Tel: 01.222.891.55.77 CON 10 LINEAS
Electroser, Av Reforma No. 403Gx39 y 41, 97000 Mérida, Yucatán. Tel: 01.999.925.19.16
Other places please refer to http://www.viewsonic.com/la/soporte/index.htm#Mexico
Puerto Rico & Virgin
Islands
Singapore/Malaysia/
Thailand
United States www.viewsonic.com
www.viewsonic.com
T = Telephone
F = FAX
AUS= 1800 880 818
NZ= 0800 008 822
T (Toll-Free)= 1-866-463-4775
T (Toll)= 1-424-233-2533
F= 1-909-468-3757
T= 1-800-688-6688 (English)
T= 1-866-379-1304 (Spanish)
F= 1-909-468-3757
T (Toll-Free)= 1-800-688-6688
T (Toll)= 1-424-233-2530
F= 1-909-468-3757
Email
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Limited Warranty
Please go to the Customer Support table in this guide for the ViewSonic website in your
region to get warranty information.
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