Instruction/ maintenance manual of the product TL-WN781N TP-Link
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TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter Rev: 1.0.0 1910010260.
COPYRIGHT & TRADEMARKS Specifications are subjec t to change without notice. is a registered trademark of TP-LINK TECHNOLOGIES CO., LTD. Other br ands and product names are trad emarks or registered trademarks of t heir respective holders.
FCC STATEMENT This equipment has been tested and found to comply wi th 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.
conjunction with any other antenna or transmitter.” CE Mark Warning This is a class B product. In a domestic environmen t, this product may cause radio interference, in which case the user may be required to take adequate measure s.
TP-LINK TECHNOLOGIES CO., LTD TP-LINK TECHNOLOGIES CO., LTD. South Building, No.5 Keyuan Road, Central Zone, Science & Technology Park, Nanshan, Shenzhen, P. R. China DECLARA TION OF CONFORMITY For the following equipment: Product Description: 150Mbp s Wireless Lite N PCI-E Adapter Model No.
CONTENTS Package Cont ents .................................................................................................... 1 Chapter 1 Introducti on ......................................................................................... 2 1.1 Overview of t he product .
4.1 PBC (Push Button Confi guration) method ...................................................................... 27 4.2 PIN met hod .................................................................................................................... 2 9 4.
Package Contents The following contents should be found in your box: ¾ One TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter ¾ Quick Installation Guide ¾ One Resource CD for TL-WN781N, including: •.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 2 Chapter 1 Introduction Thank you for choosing TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter . 1.1 Overview of the product The adapter is designed to provide a high-speed and unrivale d wireless performance for your PC.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 3 1.3 LED St atus Status Working Status Off The driver has not been installed. Flashing Slowly The driver has been installed but there is no data being transmitted or received. Flashing Quickly There is data being transmitted or received.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 4 Chapter 2 Installation Guide 2.1 Hardware 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 avail able PCI-E slot on the mianboard.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 5 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.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 6 Figure 2-3 4. After that, you should choose a Set up type. It is recommended that you select Install Client Utilities and Driver .
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 7 below (shown in Figure 2-5 ). Figure 2-5 6. After that, select the program folder, you s hould create a new f older name or select one from the Existing Folders list. It is recommended th at you keep the default setting.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 8 continue. Figure 2-7 8. Click OK to continue the Installation. Wait a while for the setup as shown in Figure 2-8 .
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 9 t hese steps (shown in Figure 2-9 ). Our drivers have been tested thoroughly, and are able to work with the operating system. Click Continue Anyway to continue the Installation. Figure 2-9 9. After all the steps above, y ou will see the screen below, click Finish to reboot the system.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 10 Install QSS and User Guide . Figure 2-1 1 2. Click Install Driver&Utility to load the following screen.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 11 Figure 2-13 4. Click Yes to continue. Figure 2-14 5. The following page will display and please wait a moment.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 12 Figure 2-15 ) Note: For Windows Vista, the Setup Wiza rd will notify you of how to pr oceed with the installation during t hese steps (shown in Figure 2-16 ). Our drivers have been tested thoroughly, and are able to work with the operating system.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 13 Figure 2-17.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 14 Chapter 3 Configuration for Windows XP TP-LINK TL-WN781N can be configured by TP-LINK Wireless Client Utility (TWCU) in Windows XP & 2000.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 15 Figure 3-1 The following table describes the item s found on the Current S tatus screen. ¾ Profile Name - This shows the name of current selected configuration profile. The configuration of Profile name will be described on the General tab of Profile Management .
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 16 3.2 Profile Management Click the Profile Management tab of the TWCU and the next screen will appear (shown in Figure 3-2 ).
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 17 ¾ Network Names (SSIDs) - Please enter the IEEE 802.11 wire less network name. This field has a maximum limit of 32 characters. Figure 3-3 2. Edit the Security tab Select the Security tab in the screen above, and then you can edit the fields to configure the profile.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 18 ¾ WPA/WPA2: Wi-Fi Protected Access ¾ WPA/WPA2 Passphrase: Wi-Fi Protected Access Passphrase ¾ 802.1x: Enables 802.1x security. ¾ Pre-Shared Key (Static WEP): Enables the use of shared keys that are defined on both the access point and the station.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 19 Figure 3-6 ¾ Power Save Mode - Please select the power save mode in the drop-down list. • Maximum - Selects maximum mode to let the access point buffer incoming messages for the Adapter. The Adapter will detect the access point if any messages are waiting periodically.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 20 ¾ Wireless Mode : Specifies 2.4 GHz 150 M bps, 2.4 GHz 54 Mbps or 2.4 GHz 11 Mbps operation in an access point network. The Wire less adapter must match the wireless mode of the access point with wh ich it associates.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 21 3.2.2 Remove a profile 1. Go to the Profile Management tab (shown in Figure 3-2 ). 2. Select the profile name in the Profiles List. 3. Click Remove . ) Note: The profile being used can’t be removed.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 22 3. Highlight the profile name. 4. Click Open , the imported profile will then appear in the Profiles List. Figure 3-9 3.2.6 Scan Available Networks 1. Click Scan on the Profile Management screen (shown in Figure 3-2 ), the Available Infrastructure and Ad Hoc Networks window will appear below.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 23 3.2.7 Auto Profile Selection Management The auto selection feature allows the adapter to automatically sele ct a profile from the list of profiles and use it to connect to the network. To add a new profile into the Auto Selecte d Profiles list, please follow these steps.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 24 ) Note: When auto profile selection is enabled by checking Auto Select Profiles on the Profile Management tab, the client adapter will scan for an available ne twork. The profile with the highest priority and the same SSID as one of the found net works will be used to connect to the network.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 25 ¾ Card Name - The name of the wireless network adapter. ¾ MAC Address - The MAC address of the wireless network adapter. ¾ Driver - The driver name and path of the wireless network adapter driver. ¾ Driver Version - The version of the wireless network adapter driver.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 26 Chapter 4 QSS configuration QSS (Quick Secure Setup) function allows you to add a new wireless device to an existing network quickly.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 27 Figure 4-2 Then, please follow the clue of the Operation System to complete t he QSS installation. After that, QSS function can be enabled. Here we will in troduce how to configure the QSS (For the configuration of QSS, here takes the Wire less Router of our company for example).
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 28 Figure 4-4 3. Then select Push the button on my access point in the next screen shown in Figure 4-5 and click Next . Figure 4-5 4. Then wait a minute until Figure 4-6 appears. Click Finish to complete the QSS configuration.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 29 Figure 4-6 4.2 PIN method There are two ways to configure the QSS by PIN method : 1 Enter a PIN into your AP device. 2 Enter the PIN from your AP device. Following are the detailed configuration procedure of each way.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 30 Figure 4-7 2. Open the Router’s W eb-based Utility and click QSS link on the left of the main menu.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 31 4.2.2 Enter the PIN from your AP device 1. Open the QSS Utility and you will see Figure 4-4 . Click Next to continue. Then Figure 4-10 will appear. Select the third option and enter the PI N value which is labeled on the bottom of the Router.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 32 Appendix A: Specifications Normal Interface PCI-E Interface Standards IEEE 802.11n; IEEE802.11g; IEEE802.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 33 Appendix B: Glossary ¾ 802.11b - The 802.11b standard specifies a wirele ss product networking at 11 Mbps using direct-sequence spread-s pectrum (DSSS) technology and oper ating in the unlicensed radio spectrum at 2.
TL-WN781N 150Mbps Wireless Lite N PCI-E Adapter 34 not tuned to the right frequency, a spread-spectrum signal looks like background noise. There are two main alternatives, Direct Sequenc e Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS).
An important point after buying a device TP-Link TL-WN781N (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought TP-Link TL-WN781N yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data TP-Link TL-WN781N - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, TP-Link TL-WN781N you will learn all the available features of the product, as well as information on its operation. The information that you get TP-Link TL-WN781N will certainly help you make a decision on the purchase.
If you already are a holder of TP-Link TL-WN781N, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime TP-Link TL-WN781N.
However, one of the most important roles played by the user manual is to help in solving problems with TP-Link TL-WN781N. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device TP-Link TL-WN781N along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
