User manual TP-LINK TL-WN851N

[. . . ] TL-WN851N Draft N Wireless PCI Adapter TL-WN851N Draft N Wireless PCI Adapter TL-WN851N Draft N Wireless PCI Adapter COPYRIGHT & TRADEMARKS Specifications are subject to change without notice. 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. http://www. tp-link. com is a registered trademark of TP-LINK TECHNOLOGIES CO. , LTD. Other brands and product names are trademarks or TL-WN851N Draft N Wireless PCI Adapter 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. [. . . ] Network Type - The type of network and the station currently connected are shown here. The options include: · · Infrastructure (access point) Ad Hoc Note: You can configure the network type and wireless mode on the Advanced tab of Profile Management. Data Encryption - Here displays the encryption type the driver is using. Server Based Authentication - This shows whether the server based authentication is used. Click Advanced on the screen above, you can see advanced information about the program and its operations. 12 TL-WN851N Draft N Wireless PCI Adapter 3. 2 Profile Management Click the Profile Management tab of the 11NWCU and the next screen will appear (shown in Figure 3-2). The Profile Management screen provides tools to: Add a new profile Modify a profile Remove a profile Activate a Profile Import a Profile Export a Profile Scan Available Networks Order profiles Figure 3-2 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 profile from the Profile list and click Modify. Edit the General tab Profile Name - Please enter the Profile name which identifies the configuration profile. Client Name - Please enter the Profile name which identifies the client machine. Network Names (SSIDs) - Please enter the IEEE 802. 11 wireless network name. This field has a maximum limit of 32 characters. 13 TL-WN851N Draft N Wireless PCI Adapter Figure 3-3 2. Edit the Security tab Select the Security tab in the screen above, then you can edit the fields to configure the profile. To define the security mode, select the radio button of the desired security mode as follows. 14 TL-WN851N Draft N Wireless PCI Adapter Figure 3-4 WPA/WPA2: Wi-Fi Protected Access WPA/WPA2 Passphrase: Wi-Fi Protected Access Passphrase 802. 1x: Enables 802. 1x security. Pre-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 (shown in Figure 3-5). Note: If the access point which the Adapter is associated has WEP set 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. To configure the Encryption Keys under the Pre-Shared keys (Static WEP) Security mode: 15 TL-WN851N Draft N Wireless PCI Adapter Figure 3-5 Note: Select different Security Options, the configurations are different; you can select the appropriate security option and configure the exact key as your need. Edit the Advanced tab This screen below allows you to make advanced configuration for the profile. 16 TL-WN851N Draft N Wireless PCI Adapter Figure 3-6 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. Normal - Normal mode uses maximum when retrieving a large number of packets, then switches back to power save mode after retrieving the packets. [. . . ] DSSS - (Direct-Sequence Spread Spectrum) - DSSS generates a redundant bit pattern for all data transmitted. 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 of retransmission. To an unintended receiver, DSSS appears as low power wideband noise and is rejected (ignored) by most narrowband receivers. another wireless LAN endpoint), the DSSS signal is recognized as the only valid signal, and interference is inherently rejected (ignored). [. . . ]