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TL-WN781N
150Mbps Wireless Lite N PCI-E Adapter
Rev: 1.0.0 1910010260
COPYRIGHT & TRADEMARKS
Specifications are subject to change without notice. 
is a registered trademark of TP-LINK TECHNOLOGIES CO., LTD. Other brands and product names are trademarks or registered trademarks of their respective holders.
No part of the specifications may be reproduced in any form or by any means or used to make any derivative such as translation, transformation, or adaptation without permission from TP-LINK TECHNOLOGIES CO., LTD. Copyright © 2009 TP-LINK TECHNOLOGIES CO., LTD. All rights reserved.
http://www.tp-link.com
FCC 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 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.
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.
2)This device must accept any interference received, including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Note: The manufacturer is not responsible for any radio or tv interference caused by unauthorized modifications to this equipment. Such modifications could void the user’s authority to operate the equipment.
FCC RF Radiation Exposure Statement:
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This device and its antenna must not be co-located or operating in conjunction with any other antenna or transmitter.
“To comply with FCC RF exposure compliance requirements, this grant is applicable to only Mobile Configurations. 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.”
CE Mark Warning
This is a class B product. In a domestic environment, this product may cause radio interference, in which case the user may be required to take adequate measures.
National restrictions
This device is intended for home and office use in all EU countries (and other countries following the EU directive 1999/5/EC) without any limitation except for the countries mentioned below:
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Restriction |
Reason/remark |
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Bulgaria |
None |
General authorization required for outdoor use and |
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public service |
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Outdoor use limited to 10 France mW e.i.r.p. within the band
2454-2483.5 MHz
Military Radiolocation use. Refarming of the 2.4 GHz band has been ongoing in recent years to allow current relaxed regulation. Full implementation planned 2012
Italy |
None |
If used outside of own premises, general authorization is |
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required |
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Luxembourg |
None |
General authorization required for network and service |
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supply(not for spectrum) |
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Norway |
Implemented |
This subsection does not apply for the geographical area |
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within a radius of 20 km from the centre of Ny-Ålesund |
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Russian Federation |
None |
Only for indoor applications |
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Note: Please don’t use the product outdoors in France.
TP-LINK TECHNOLOGIES CO., LTD
DECLARATION OF CONFORMITY
For the following equipment:
Product Description: 150Mbps Wireless Lite N PCI-E Adapter
Model No.: TL-WN781N
Trademark: TP-LINK
We declare under our own responsibility that the above products satisfy all the technical regulations applicable to the product within the scope of Council Directives:
Directives 1999/5/EC
The above product is in conformity with the following standards or other normative documents:
ETSI EN 300 328 V1.7.1: 2006
ETSI EN 301 489-1 V1.8.1:2008 & ETSI EN 301 489-17 V1.3.2:2008
EN60950-1:2006
EN62311:2008
Person is responsible for marking this declaration:
Yang Hongliang
Product Manager of International Business
TP-LINK TECHNOLOGIES CO., LTD.
South Building, No.5 Keyuan Road, Central Zone, Science & Technology Park, Nanshan,
Shenzhen, P. R. China
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CONTENTS |
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Package Contents .................................................................................................... |
1 |
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Chapter 1 |
Introduction......................................................................................... |
2 |
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1.1 |
Overview of the product ................................................................................................... |
2 |
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1.2 |
Features ........................................................................................................................... |
2 |
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1.3 |
LED Status ....................................................................................................................... |
3 |
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Chapter 2 |
Installation Guide................................................................................ |
4 |
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2.1 |
Hardware Installation........................................................................................................ |
4 |
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2.2 |
Software Installation ......................................................................................................... |
4 |
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2.2.1 |
Overview........................................................................................................................... |
4 |
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2.2.2 Software Installation for Windows XP............................................................................... |
4 |
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2.2.3 Software Installation for Windows Vista ........................................................................... |
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Chapter 3 Configuration for Windows XP........................................................ |
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3.1 |
Current Status ................................................................................................................ |
14 |
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3.2 |
Profile Management ....................................................................................................... |
16 |
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3.2.1 Add or Modify a Configuration Profile............................................................................. |
16 |
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3.2.2 |
Remove a profile............................................................................................................. |
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3.2.3 |
Switch another Profile..................................................................................................... |
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3.2.4 |
Export a Profile ............................................................................................................... |
21 |
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3.2.5 |
Import a Profile ............................................................................................................... |
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3.2.6 |
Scan Available Networks................................................................................................ |
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3.2.7 Auto Profile Selection Management ............................................................................... |
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3.3 |
Diagnostics..................................................................................................................... |
24 |
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3.3.1 |
Check Driver Information................................................................................................ |
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3.3.2 Check Receive and Transmit Statistical Information...................................................... |
25 |
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Chapter 4 |
QSS configuration ............................................................................ |
26 |
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4.1 |
PBC (Push Button Configuration) method |
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4.2 |
PIN method .................................................................................................................... |
29 |
4.2.1 Enter a PIN into your AP device ..................................................................................... |
29 |
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4.2.2 Enter the PIN from your AP device................................................................................. |
31 |
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Appendix A: Specifications ................................................................................... |
32 |
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Appendix B: Glossary ............................................................................................ |
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II
Package Contents
The following contents should be found in your box:
¾One TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter
¾Quick Installation Guide
¾One Resource CD for TL-WN781N, including:
•TP-LINK Wireless Client Utility (TWCU) and Drivers
•User Guide
•Other Helpful Information
) Note:
Make sure that the package contains the above items. If any of the listed items are damaged or missing, please contact with your distributor.
Conventions:
The ‘Adapter’ mentioned in this user guide stands for TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter without any explanations.
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TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter
Chapter 1 Introduction
Thank you for choosing TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter.
1.1Overview of the product
The adapter is designed to provide a high-speed and unrivaled wireless performance for your PC. With a faster wireless connection, you can get a better Internet experience, such as downloading, gaming, video streaming and so on.
The TL-WN781N’s auto-sensing capability allows high packet transfer rate of up to 150Mbps for maximum throughput. It has good capability on anti-jamming; it can also interoperate with other wireless (802.11n/g/b) products. The adapter supports WEP, WPA and WPA2 encryption to prevent outside intrusion and protect your personal information from being exposed.
The Quick Setup Wizard guides you step by step through the installation process; the TP-LINK Wireless Client Utility helps you create a wireless connection immediately.
With unmatched wireless performance, reception, and security protection, the TL-WN781N is the best choice for easily adding or upgrading wireless connectivity.
1.2Features
¾IEEE 802.11n, IEEE802.11g, IEEE802.11b standards
¾Supports WPA/WPA2 data security, IEEE802.1x authentication, TKIP/AES encryption, WEP encryption
¾Make use of IEEE 802.11n wireless technology to provide a wireless data rate of up to 150Mbps
¾supports automatically adjust to lower speeds due to distance or other operating limitations
¾Provides PCI-E interface
¾Supports Ad-Hoc and Infrastructure modes
¾Good capability on anti-jamming
¾Supports roaming between access points when configured in Infrastructure mode
¾Easy to configure and provides monitoring information
¾Supports Windows 2000, XP, Vista
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TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter
1.3LED Status
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Status |
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Working Status |
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Off |
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The driver has not been installed. |
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Flashing Slowly |
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The driver has been installed but there is no data being transmitted |
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or received. |
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Flashing Quickly |
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There is data being transmitted or received. |
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TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter
Chapter 2 Installation Guide
2.1Hardware Installation
To install the adapter, follow these steps listed below:
1.Turn off your desktop PC and disconnect the power.
2.Remove your PC case and locate an available PCI-E slot on the mianboard. Remove the metal slot cover on the back of the PC. Check with your computer manufacturer for instructions if needed.
3.Slide the PCI-E Adapter into the PCI-E slot. Make sure that all of its pins are touching the slot's contacts. Once the adapter is firmly in place, secure its fastening tab to your PC's chassis with a mounting screw. Then, close your PC case.
4.Reconnect your PC’s power and turn on your desktop PC.
2.2Software Installation
2.2.1 Overview
The Adapter’s Setup Wizard will guide you through the Installation procedure for Windows XP. The Setup Wizard will install the TP-LINK Wireless Client Utility (TWCU) and drivers.
When you install the hardware prior to before installing the software, the system will prompt “Found New Hardware Wizard”, click Cancel, and run the Setup Wizard program on the CD-ROM.
The Setup steps for Windows 2000 and XP are similar with each other. This user guide takes Windows XP for example.
2.2.2 Software Installation for Windows XP
1.Insert the Resource CD into your CD-ROM drive, and the Figure 2-1 will appear. To continue, select the TL-WN781N.There will be a menu including: Install Driver&Utility, Install QSS and User Guide.
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TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter
Figure 2-1
2.Click Install Driver & Utility to load the following screen.
Figure 2-2
3.Soon, Figure 2-3 will display after a moment. Click Next to continue.
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TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter
Figure 2-3
4.After that, you should choose a Setup type. It is recommended that you select Install Client Utilities and Driver. Select Install Driver Only to install driver only, select Make Driver Installation Diskette(s) to make the diskette(s) as the installation driver (shown in Figure 2-4). Click Next to continue.
Figure 2-4
5.Click Browse to change the destination location for the software, then click Next in the screen
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