TP-link TL-WN551G Manual
TP-link TL-WN551G, size: 1.4 MB
TP-link TL-WN551g Installation Guide
Part Numbers: 6935364050122, TL-WN551G
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54M Wireless PCI Adapter TL-WN551G
Wireless Roaming, can move among different AP with no break
Adopts eXtended Range technology, 4-9 times the signal coverage of traditional 11b/g products
Up to 54Mbps wireless rate and fully compatible with 802.11b.
Complying with IEEE 802.11g, the TL-WN551G adopts TP-LINK eXtended Range WLAN transmission technology resulting in transmission distances of 4-9 times the signal coverage of traditional 11b/g products. The TL-WN551G supports WEP and WPA encryption for connecting to a secure wireless network. With the external antenna, the TL-WN551G can adapt to different operational environments and let the user connect to the Wireless network easily. The TL-WN551G also supports Roaming and is compatible with other 11b, 11g WLAN equipment.
Standards Interface Wireless Signal Rates With Automatic Fallback Frequency Range Wireless Transmit Power Modulation Type IEEE 802.11g, IEEE 802.11b Standard 32-bit PCI 2.2 or higher 11g:54/48/36/24/18/12/9/6 Mbps (Auto Rate Sensing) 11b:11/5.5/3/2/1 Mbps (Auto Rate Sensing) 2.4-2.4835GHz 17dBm(MAX) 1M DBPSK, 2M DQPSK, 5.5M/11M CCK, 6M/9M/12M/18M/24M/36M/48M/54M OFDM 54M-68dBm@10% PER 11M-85dBm@8% PER 6M-88dBm@10% PER 1M-90dBm@8% PER Omni Directional, detachable 2dBm 64/128/152 bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK (TKIP/AES) CSMA/CA with ACK Indoors up to 200m, Outdoors up to 830m. (Adopts 2x to 3x Extended Range WLAN transmission technology, limited in different environment) FCCCE Windows 2000/XP/Vista 0C~40C (32F~104F) -40C~70C (-40F~158F) 10% ~ 90%, non condensation 5%~95% non-condensing 22 (mm) 5.2 4.8 0.9 (in.)
32-bit PCI connector Supports Ad-Hoc/Infrastructure modes Supports 54/48/36/24/18/12/9/6Mbps or 11/5.5/2/1Mbps data transfer rates Adopts eXtended Range WLAN transmission technology, signal coverage is 4-9 times of the traditional 11b/g products Supports 64/128/152 strength WEP encryptions, as well as WPA/WPA2 and WPA-PSK/WPA2-PSK encryptions and mechanisms Supports Windows 2000, XP, Vista Provides simple configuration and supervisor program Detachable reverse SMA connector antenna LED indicator: status (green)
Antenna Type Antenna Power Security Media Access Control Range Certifications Support Operating System Operating Temperature Storage Temperature Relative Humidity Storage Humidity Dimensions
- 54M Wireless PCI Adapter TL-WN551G with detachable antenna - Quick Setup Guide - Resource CD, including: TL-WN551G Wireless Client Utility and Drivers User Guide Other Helpful Information
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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 specificationsmay 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 2008 TP-LINK Technologies Co., Ltd. All rights reserved.
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 2005 TP-LINK Technologies Co., Ltd. All rights reserved.
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. Changes or modifications to this unit not expressly approved by the party responsible for compliance 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, the antenna 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 Declaration of Conformity
For the following equipment: TL-WN510G/TL-WN550G/TL-WN551G
Is herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Laws of the Member States relating to Electromagnetic Compatibility (89/336/EEC), Low-voltage Directive (73/23/EEC) and the Amendment Directive (93/68/EEC), the procedures given in European Council Directive 99/5/EC and 89/3360EEC.
The equipment was passed. The test was performed according to the following European standards: EN V.1.4.1 (2003) EN 301 489-1 V.1.4.1 (2002) / EN 301 489-17 V.1.2.1 (2002) EN 60950-1: 2001 European standards dictate maximum radiated transmit power of 100mW EIRP and frequency range 2.400-2.4835GHz; In France, the equipment must be restricted to the 2.4465-2.4835GHz frequency range and must be restricted to indoor use.
Package Contents.... 1 Chapter 1: Introduction.... 2 1.1 Overview of the product.... 2 1.2 Features.... 2 1.3 LED Status.... 3 1.3.1 TL-WN510G LED Indications... 3 1.3.2 TL-WN550G/TL-WN551G LED Indications.. 3 Chapter 2: Installation Guide... 4 2.1 Hardware Installation... 4 2.1.1 TL-WN550G/TL-WN551G Hardware Installation.. 4 2.1.2 TL-WN510G Hardware Installation.. 4 2.2 Software Installation... 4 2.2.1 Overview.... 4 2.2.2 Software Installation for Windows 2000... 4 Chapter 3: Configuration.... 9 3.1 Current Status.... 9 3.2 Profile Management....11 3.2.1 Add or Modify a Configuration Profile...11 3.2.2 Remove a profile... 14 3.2.3 Switch another Profile... 14 3.2.4 Import a Profile... 14 3.2.5 Export a Profile... 15 3.2.6 Scan Available Networks... 15 3.2.7 Auto Profile Selection Management.. 15 3.3 Diagnostics.... 16 3.3.1 Check Driver Information... 17 3.3.2 Check Receive and Transmit Statistical Information.. 17 Appendix A: Specifications.... 18 Appendix B: Glossary.... 19 Appendix C: Contact Information... 21
54M Wireless Adapter User Guide
The following contents should be found in your box: One TL-WN510G/TL-WN550G/TL-WN551G Wireless Adapter Quick Installation Guide One Resource CD for TL-WN510G/TL-WN550G/TL-WN551G, including: TP-LINK Wireless Client Utility (TWCU) and Drivers User Guide Other Helpful Information
Note: If any of the listed contents are damaged or missing, please contact the retailer from whom you purchased the TL-WN510G/TL-WN550G/TL-WN551G Wireless Adapter for assistance.
Chapter 1: Introduction
1.1 Overview of the product
The TP-LINK 54M Wireless Adapter TL-WN510G/TL-WN550G/TL-WN551G gives you the flexibility to install your PC or notebook PC in the most convenient location available, without the cost of running network cables. The adapter's auto-sensing capability allows high packet transfer rate of up to 54Mbps for maximum throughput, or dynamic range shifting to lower speeds due to distance or operating limitations in an environment with a lot of electromagnetic interference. It can also interoperate with all 11Mbps wireless (802.11b) products. Your wireless communications are protected by up to 152-bit WEP and WPA encryption for high security. It adopts 2x to 3x eXtended RangeTM WLAN transmission technology so that transmission distance is 2-3 times of traditional 11g/b solutions, up to 855.36m tested in China. Transmission range is extended to 4-9 times.
Complies with IEEE802.11g, IEEE802.11b standards Adopts 2x to 3x eXtended RangeTM wireless LAN transmission technology Supports WPA/WPA2 data security, IEEE802.1x authentication, TKIP/AES encryption, 64/128/152-bit WEP encryption Supports 54/48/36/24/18/12/9/6Mbps or 11/5.5/3/2/1Mbps wireless LAN data transfer rates Provides 32-bit PCI interface (TL-WN550G/TL-WN551G) or 32-bit CardBus interface (TL-WN510G) Supports Ad-Hoc and Infrastructure modes Supports roaming between access points when configured in Infrastructure mode Ease to configure and provides monitoring information Supports Windows 98Se, Me, 2000, XP Internal Antenna (TL-WN510G) Detachable reverse SMA connector antenna (TL-WN551G)
1.3 LED Status
1.3.1 TL-WN510G LED Indications LED Indications Status Green Activity Green Status Green Activity Green Status Green Activity Green Status Green Activity Green Status Green Activity Green Status Intermittently Not lit Lit Not lit Flashing Alternately Flashing Alternately Intermittently Intermittently Flashing Flashing Working Status The adapter is in an electricity saving status. The adapter is on wake up status.
The adapter is trying to scan a networking connection. The adapter is already connected but is not transmitting or receiving data. The adapter is transmitting or receiving data.
1.3.2 TL-WN550G/TL-WN551G LED Indications LED Indications Status Green Status Green Status Green Status Intermittently Lit Flashing Working Status The adapter is in an electricity saving status or the adapter is already connected but is not transmitting or receiving data. The adapter is on wake up status. The adapter is transmitting and receiving data.
Chapter 2: Installation Guide
2.1 Hardware Installation
2.1.1 TL-WN550G/TL-WN551G Hardware Installation To install the adapter, follow these steps listed below: 1. Turn off your desktop PC and disconnect the power. 2. Open your PC case and locate an available PCI slot on the motherboard. Remove the metal slot cover on the back of the PC. Check with your computer manufacturer for instructions if needed. 3. Slide the PCI Adapter into the PCI 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 PCs power and turn on your desktop PC. 2.1.2 TL-WN510G Hardware Installation To install the adapter, follow these steps listed below: 1. Locate an available CardBus slot on your laptop. 2. With the connector pin end facing the CardBus slot and the label facing up, slide the Adapter into the CardBus slot until it locks in place. 3. The Status LED should Intermittent flashing when the Adapter is installed correctly.
2.2 Software Installation
2.2.1 Overview The Adapters Setup Wizard will guide you through the Installation procedure for Windows 98Se, Me, 2000, XP. The Setup Wizard will install the TP-LINK Wireless Client Utility (TWCU) and drivers. When you install the hardware 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 98Se, Me, 2000 and XP are very similar. The following setup steps are for Windows 2000. 2.2.2 Software Installation for Windows 2000 1. Insert the Resource CD into your CD-ROM drive, click Start and choose Run. In the field that appears, enter F:\XXX\Setup.exe (if F is the letter of your CD-ROM drive; XXX is the setup program path, which is labeled on the Resource CD), figure 2-1 should then appear. You can click Cancel to end the installation on the Preparing Setup screen, figure 2-1. Otherwise, the Setup Wizard will display a screen similar to that shown in figure 2-2 after a moment.
Figure 2-1 3.
TP-LINK Wireless Client Utility Install Shield Wizard
To continue, click Next on the screen, figure 2-2. Click Cancel to end the Installation.
Figure 2-2 4.
TP-LINK Wireless Client Utility Installation Program
The Setup Wizard will ask you to choose a Setup type in figure 2-3. 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. Select Install Client Utilities and Driver and click Next to continue the Installation. Click Back to return to the previous page, or click Cancel to end the Installation.
Figure 2-3 5.
Select the setup type.
Figure 2-4 should appear. Click Yes to continue the Installation, or click No to end the Installation.
Figure 2-4 6.
Click Browse to change the destination location for the software in figure 2-5. Click Next to continue the Installation. Click Back to return to the previous page, or click Cancel to end the Installation.
Choose Destination Location
The Setup Wizard will ask you to create a new folder name or select one from the Existing Folders list shown in figure 2-6. It is recommended that you keep the default value. Click Next to continue the Installation. Click Back to return to the previous page, or click Cancel to end the Installation.
Figure 2-6 8.
Select a Program Folder
The Setup Wizard will notify you of how to proceed with the installation, shown in figure 2-7. Click OK to continue the Installation.
Figure 2-7 9.
While files are copying, you will see a warning box, shown in figure 2-8. Please select YES to continue installation. Our drivers have been tested thoroughly, and are able to work with the operating system.
Widows 2000 Warning Box
Note: In Windows XP, the warning box is similar to that shown figure 2-8a, Please select Continue Anyway to continue installation.
Windows XP Warning Box
10. After the files have been successfully copied, the screen in figure 2-9 will appear. Click OK to reboot the system.
Chapter 3: Configuration
TP-LINK Wireless Adapter TL-WN510G/TL-WN550G/TL-WN551G can be configured by TP-LINK Wireless Client Utility (TWCU). This chapter describes how to configure your TP-LINK Wireless Adapter for wireless connectivity on your Wireless Local Area Network (WLAN) and use the data security encryption features.
After Installing the Adapter, the Adapters tray icon
will appear in your system tray. It
appears at the bottom of the screen, and shows the signal strength using color and the received signal strength indication (RSSI).
If the icon is gray, there is no connection.
If the icon is red, there is poor signal strength and the RSSI is less than 5dB. If the icon is yellow, there is poor signal strength and the RSSI is between 5dB and 10dB. If the icon is green, there is good signal strength and the RSSI is between 10dB and 20dB. If the icon is green, there is excellent signal strength and the RSSI is more than 20dB. Double-click the icon and the TWCU utility will run. You can also run the utility by clicking the Start>Program>TP-LINK>TP-LINK Wireless Client Utility. The TWCU utility provides a complete and easy to use set of tools to: Display current status information Edit and add configuration profiles Display current diagnostics information The section below introduces these above capabilities.
3.1 Current Status
The Current Status tab contains general information about the program and its operations. The Current Status tab does not require any configurations.
The following table describes the items found on the Current Status screen. Profile Name - The name of current selected configuration profile. Set up the configuration name on the General tab of Profile Management. Link Status - Shows whether the station is associated to the wireless network. Wireless Mode - Displays the wireless mode. Configure the wireless mode on the Advanced tab of Profile Management. Network Type - The type of network and the station currently connected. The options include: Infrastructure (access point) Ad Hoc Configure the network type on the Advanced tab of Profile Management. IP Address - Displays the computers IP address. Current Channel - Shows the currently connected channel. Data Encryption - Displays the encryption type the driver is using. Configure the encryption type on the Security tab of Profile Management. Server Based Authentication - Shows whether server based authentication is used. Signal Strength - Shows the strength of the signal. Note: In the TWCU utility, access the General tab, Security tab and Advanced tab by clicking New or Modify on the Profile Management tab. Click Advanced to see advanced information about the program and its operations. For more information, please refer to the help file of the utility.
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3.2 Profile Management
Click the Profile Management tab of the TWCU Utility and the Profile Management screen will appear, figure 3-3. The Profile Management screen provides tools to: Add a profile Edit a profile Remove a profile Switch to another Profile Import a Profile Export a Profile Scan Available Networks Order profiles
Profile Management tab
3.2.1 Add or Modify a Configuration Profile To add a new configuration profile, click New on the Profile Management tab. To modify a configuration profile, select the configuration from the Profile list and click Modify. The Profile Management dialog box will display a screen similar to that shown in Figure 3-4. 1. Edit the General tab Profile Name - Identifies the configuration profile. This name must be unique. Profile names are not case-sensitive. Client Name - Identifies the client machine. Network Names (SSIDs) - The IEEE 802.11 wireless network name. This field has a maximum limit of 32 characters.
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Figure 3-4 2. Edit the Security tab
General Tab of Profile Management
Edit the fields in the Security tab of Profile Management to configure the profile. To define the security mode, select the radio button of the desired security mode. WPA/WPA2: Wi-Fi Protected Access WPA/WPA2 Passphrase: Wi-Fi Protected Access Passphrase 802.1x: Enables 802.1x security. Shared Key (Static WEP): Enables the use of shared keys that are defined on both the access point and the station. To define shared encryption keys, choose the Shared Key radio button and click Configure to fill in the Define Shared Keys window. None: No security (not recommended). Note: If the access point that the wireless adapter is associating to has WEP set to Optional and the client has WEP enabled, make sure that Allow Association to Mixed Cells is checked on the Security Tab to allow association. To complete WEP encryption configuration, you must select the 802.11 Authentication Mode as appropriate on the Advanced tab of this Profile Management dialog.
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TL-WN510G/TL-WN550G/TL-WN551G Figure 3-5
Security tab of Profile Management
Figure 3-6 3. Edit the Advanced tab Power Save Mode
Define Shared Keys
Maximum - Selects maximum mode to let the access point buffer incoming messages for the wireless adapter. The adapter will detect the access point if any messages are waiting periodically. Normal - In Normal mode, the adapter will be switched to maximum mode automatically when no large packets are retrieved. Off - turns power saving off, thus powering up the wireless adapter continuously for a short message response time.
802.11b Preamble: Specifies the preamble setting in 802.11b. The default setting is Short & Long (access point mode), which allows both short and long headers in the 802.11b frames. The adapter can only use short radio headers if the access point supports and uses them. Set to Long Only to override allowing short frames. Wireless Mode: Specifies 2.4 GHz 54 Mbps or 2.4 GHz 11 Mbps operation in an access point network. The wireless adapter must match the wireless mode of the access point with which it associates. Wireless Mode when Starting an Ad Hoc Network: Specifies 2.4 GHz 54/11 Mbps to start an Ad Hoc network if no matching network name is found after scanning all available modes. This mode also allows the selection of the channel the wireless adapter uses. The channels available depend on the regulatory domain. If the adapter finds no other ad hoc adapters, the channel that the adapter starts the ad hoc network with will be selected automatically. The wireless adapter must match the wireless mode and channel of the clients it associates. 802.11 Authentication Mode: Select which mode the wireless adapter uses to authenticate to an access point:
Automatic causes the adapter to attempt authentication using shared, but switches it to open authentication if shared fails. Open System enables an adapter to attempt authentication regardless of its WEP settings. It will only associate with the access point if the W EP keys on both the adapter and the access point match.
Shared-key only allows the adapter to associate with access points that have the same WEP key. - 13 -
For infrastructure (access point) networks, click Preferred APs to specify up to four access points to the client adapter that attempts to be associated to the access points.
Figure 3-7 3.2.2 Remove a profile 1. 2. 3.
Advanced tab of Profile Management
Go to the Profile Management tab. Select the profile name to remove in the Profiles List. Click Remove.
3.2.3 Switch another Profile 1. 2. 3. Go to the Profile Management tab. Click on the profile name in the Profiles List. Click Activate.
3.2.4 Import a Profile 1. 2. 3. 4. From the Profile Management tab, click Import. The Import Profile will then appear. Browse to the directory where the profile is located. Highlight the profile name. Click Open, the imported profile will then appear in the Profiles List.
Import Profile Dialog
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TL-WN510G/TL-WN550G/TL-WN551G 3.2.5 Export a Profile 1. 2. 3. 4.
From the Profile Management tab, highlight the profile to export. Click Export, the Export Profile window will then appear. Browse the directory to export the profile to. Click Save. The profile should then be exported to the specified location.
Figure 3-9 3.2.6 Scan Available Networks 1. 2. 3.
Export Profile Dialog
Click Scan on the Profile Management, the Available Infrastructure and Ad Hoc Networks window will appear. Click Refresh to refresh the list at any time. Highlight a network name and click Activate to connect an available network. If no configuration profile exists for that network, the Profile Management window will open the General tab. Fill in the Profile name and click OK to create the configuration profile for that network.
Scan Available Networks Dialog
3.2.7 Auto Profile Selection Management The auto selection feature allows the wireless adapter to automatically select a profile from the list of profiles and use it to connect to the network. To add a new profile into the Auto Selected Profiles list, please follow these steps.
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TL-WN510G/TL-WN550G/TL-WN551G 1. 2. 3. 4. 5. 6. 7.
On the Profile Management tab, click Order Profiles. The Auto Profiles Selection management window will appear, with a list of all created profiles in the Available Profiles box. Highlight the profiles to add to auto profile selection, and click Add. The profile will appear in the Auto Selected Profiles box. Highlight a profile in the Auto Selected Profiles box. Click Move Up or Move Down as appropriate. Note: The first profile in the Auto Selected Profiles box has highest priority, and the last profile has lowest priority. Click OK. Check the Auto Select Profiles checkbox on the Profile Management tab.
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 network. The profile with the highest priority and the same SSID as one of the found networks will be used to connect to the network. If the connection fails, the client adapter will try the next highest priority profile that matches the SSID until an available network is found.
Auto Profile Selection Management Dialog
The Diagnostics tab of the TP-LINK Wireless Client Utility (TWCU) provides buttons used to retrieve receiving and transmitting statistics. The Diagnostics tab does not require any configuration. The Diagnostics tab lists the following receive and transmit diagnostics for frames received or transmitted by the wireless network adapter: Multicast frames transmitted and received Broadcast frames transmitted and received Unicast frames transmitted and received Total bytes transmitted and received
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Figure 3-12 3.3.1 Check Driver Information
The Adapter Information contains general information about the wireless network adapter and the Network Driver Interface Specification (NDIS) driver. Access the adapter information from the Diagnostics tab. Card Name - The name of the wireless network adapter. MAC Address - The MAC address of the wireless network adapter. Driver - The driver name and path of the wireless network adapter driver. Driver Version - The version of the wireless network adapter driver. Driver Date - The creation date of the wireless network adapter driver. Client Name - The name of the client computer. 3.3.2 Check Receive and Transmit Statistical Information The Advanced Statistics show receiving and transmitting statistical information for the following receive and transmit diagnostics for frames received by or transmitted to the wireless network adapter.
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Appendix A: Specifications
Normal Interface Standards Operating System Transmission Distance TL-WN510G: 32-bit CardBus TL-WN550G/TL-WN551G: 32-bit PCI IEEE802.11b; IEEE802.11g Windows 98Se, Me, 2000, XP Indoor up to 100m, outdoor up to 300m (Standard transmission distance, it is limited to the environment). Indoor up to 200m, outdoor up to 830m (Adopt 2x to 3x eXtended RangeTM WLAN transmission technology, it is limited to the environment) 54/48/36/24/18/12/9/6Mbps or 11/5.5/3/2/1Mbps (Auto Rate Sensing) 1M DBPSK; 2M DQPSK; 5.5M, 11M CCK; 6M, 9M, 12M, 18M, 24M, 36M, 48M, 54M OFDM; Access CSMA/CA with ACK 18dBm (Typical) WPA/WPA2; 64/128/152-bit WEP; TKIP/AES 2.4 ~ 2.4835GHz Direct Sequence Spread Spectrum (DSSS) Typically 685mA in full Transmit (TX), 515mA in full Receive (RX) FCC, CE
Radio Data Rate Modulation Media Protocol
Transmit Power Data Security Frequency Spread Spectrum Power Consumption Safety & Emissions
Environmental and Physical Operating Temp. Storage Temp. Humidity Dimensions (WDH) 0~40 (32~104) -(-40~158) 10% - 95% RH, Non-condensing 188.8.131.52 in. (115545 mm) (TL-WN510G) 184.108.40.206 in. (13312122 mm) (TL-WN550G/TL-WN551G)
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Appendix B: Glossary
2x to 3x eXtended RangeTM WLAN Transmission Technology - The WLAN device with 2x to 3x eXtended RangeTM WLAN transmission technology make its sensitivity up to 105 dB, which gives users the ability to have robust, longer-range wireless connections. With this range-enhancing technology, a 2x to 3x eXtended RangeTM based client and access point can maintain a connection at as much as three times the transmission distance of traditional 802.11b and 802.11g products, for a coverage area that is up to nine times greater. A traditional 802.11b and 802.11g product transmission distance is about 300m, A TP-LINK 2x to 3x eXtended RangeTM based client and access point can maintain a connection transmission distance may be up to 830m. 802.11b - The 802.11b standard specifies a wireless product networking at 11 Mbps using direct-sequence spread-spectrum (DSSS) technology and operating in the unlicensed radio spectrum at 2.4GHz, and WEP encryption for security. 802.11b networks are also referred to as Wi-Fi networks. 802.11g - specification for wireless networking at 54 Mbps using direct-sequence spread-spectrum (DSSS) technology, using OFDM modulation and operating in the unlicensed radio spectrum at 2.4GHz, and backward compatibility with IEEE 802.11b devices, and WEP encryption for security. Ad-hoc Network - An ad-hoc network is a group of computers, each with a wireless adapter, connected as an independent 802.11 wireless LAN. Ad-hoc wireless computers operate on a peer-to-peer basis, communicating directly with each other without the use of an access point. Ad-hoc mode is also referred to as an Independent Basic Service Set (IBSS) or as peer-to-peer mode, and is useful at a departmental scale or SOHO operation. DSSS (Direct-Sequence Spread Spectrum) - DSSS generates a redundant bit pattern for all data transmitted. This bit pattern is called a chip (or chipping code). Even if one or more bits in the chip are damaged during transmission, statistical techniques embedded in the receiver 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. However, to an intended receiver (i.e. another wireless LAN endpoint), the DSSS signal is recognized as the only valid signal, and interference is inherently rejected (ignored). FHSS (Frequency Hopping Spread Spectrum) - FHSS continuously changes (hops) the carrier frequency of a conventional carrier several times per second according to a pseudo-random set of channels. Because a fixed frequency is not used, and only the transmitter and receiver know the hop patterns, interception of FHSS is extremely difficult. Infrastructure Network - An infrastructure network is a group of computers or other devices, each with a wireless adapter, connected as an 802.11 wireless LAN. In
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infrastructure mode, the wireless devices communicate with each other and to a wired network by first going through an access point. An infrastructure wireless network connected to a wired network is referred to as a Basic Service Set (BSS). A set of two or more BSS in a single network is referred to as an Extended Service Set (ESS). Infrastructure mode is useful at a corporation scale, or when it is necessary to connect the wired and wireless networks. Spread Spectrum - Spread Spectrum technology is a wideband radio frequency technique developed by the military for use in reliable, secure, mission-critical communications systems. It is designed to trade off bandwidth efficiency for reliability, integrity, and security. In other words, more bandwidth is consumed than in the case of narrowband transmission, but the trade off produces a signal that is, in effect, louder and thus easier to detect, provided that the receiver knows the parameters of the spread-spectrum signal being broadcast. If a receiver is not tuned to the right frequency, a spread-spectrum signal looks like background noise. There are two main alternatives, Direct Sequence Spread Spectrum (DSSS) and Frequency Hopping Spread Spectrum (FHSS). SSID - A Service Set Identification is a thirty-two character (maximum) alphanumeric key identifying a wireless local area network. For the wireless devices in a network to communicate with each other, all devices must be configured with the same SSID. This is typically the configuration parameter for a wireless PC card. It corresponds to the ESSID in the wireless Access Point and to the wireless network name. See also Wireless Network Name and ESSID. WEP (Wired Equivalent Privacy) - A data privacy mechanism based on a 64-bit or 128-bit or 152-bit shared key algorithm, as described in the IEEE 802.11 standard. Wi-Fi - A trade name for the 802.11b wireless networking standard, given by the Wireless Ethernet Compatibility Alliance (WECA, see http://www.wi-fi.net), an industry standards group promoting interoperability among 802.11b devices. WLAN (Wireless Local Area Network) - A group of computers and associated devices communicate with each other wirelessly, which network serving users are limited in a local area. WPA (Wi-Fi Protected Access) - A wireless security protocol use TKIP (Temporal Key Integrity Protocol) encryption, which can be used in conjunction with a RADIUS server.
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Appendix C: Contact Information
For help with the Installation or operation of the TP-LINK TL-WN510G/TL-WN550G/ TL-WN551G 54M Wireless Adapter, please contact us. E-mail: email@example.com Website: http://www.tp-link.com
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DVP-S315 Rx-d206 MV-101 Zdts101 Alertegps G320 VR2940 Date VD57 ESG 103 SL-210TE EX-Z65 RA-840B BH-505 GT-E2100B W3400 K8V-X P2BVM CS186 SH-E75 Spotmatic A45-S120 NAD C370 GR-300 DSC-W170 Aficio 3045 Station FW-D5 Nikon Scan Argos Terminals-features 410R-serials-611000001-thru-803093823 Palmpilot NA7004 TL-WR642G XVS1100A-2006 GX-100HD Curve 8330 KV-28EW20U Mf4010 WD-J1255C GR-AX280 Perfecta Quattro Logicom G350 J10HD-A Inspiron 6400 LHT854 LA32B550 DCR34BLS AR112N SA3045 DSC-W55 B 450 Wlan DF-314 Routes W-162 VU204 CM200 37GQ-20S DSC-W55 EWF1005 AFE325 LS743 22 W CAP-4100 KX-TG5431 MF-JM53s8K ITD 58 Install4 MHC-RX100AV KD-G401 GC2520 VGN-AR31E Catalog CX-DH801N Nikon F Riva 852 S18AHP-n56 DCC-2200 T1 K8N-VM Unlimited II ACT23112W Cuisine HTC 1615 C40UX C-4000 Zoom Printer - 2003 VGF-AP1 KVM2KIT Control CC-CL100 Tyros 2 Avant AK33MA 81035 PXC 450 SP0842N-VST PS42B450b1W V-3900RTV
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