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Chapter 3 Configuration Guide
3.1 For Windows XP
TP-LINK TL-WN851ND can be configured by TP-LINK Wireless Client Utility (TWCU). This
chapter describes how to configure your Adapter for wireless connectivity on your Wireless
Local Area Network (WLAN) and use the data security encryption features.
After Installing the Adapter, the Adapter's tray icon
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 will run. You can also run the utility by clicking the
Start→All Programs→TP-LINK→TP-LINK Wireless Client Utility. The TWCU provides
some integrated and easy tools to:
Display current status information
Edit and add configuration profiles
Display current diagnostics information
The section below introduces these above capabilities.
3.1.1 Current Status
The Current Status tab contains general information about the program and its operations. The
Current Status tab needn't any configurations.
TL-WN851ND
300Mbps Wireless N PCI Adapter
will appear in your system tray. It
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