Edimax EW-7722UnD Bedienungsanleitung PDF herunterladen (Seite 42)

Here are descriptions of every setup item:

Item Name

Description

Wireless mode

Select the wireless operation mode of the network card. When

„2.4GHz‟ is selected, the network card can be operated in

802.11b/g/n wireless networks. When „5GHz‟ is selected, the

network card can be operated in 802.11a/n wireless networks.

When „2.4GHz + 5GHz‟ is selected, the wireless network card can

be operated in 802.11a/b/g/n wireless networks.

Enable Tx Burst

Check this box to accelerate the data transmit rate. It may not

work with all wireless access point and wireless devices.

Enable TCP

Window Size

Check this box and the configuration utility will adjust TCP window

size automatically to get better performance. It should be safe for

most of wireless environments, but if you found some problem on

data transfer, uncheck this box.

Fast Roaming

Check this box and you can control the threshold that the wireless

network card should switch to another wireless access point with

better signal quality. Only adjust value when you understand what

it means and you need to roam between multiple access points.

Show

Authentication

Status Dialog

When your computer is being authenticated by wireless

authentication server, a dialog window with the process of

authentication will appear. This function is helpful to find out the

problem when you can not be authenticated, and you can provide

this information to authentication server‟s administrator for

debugging purpose.

Enable CCX

Enable Cisco Compatible eXtensions. CCX is a wireless feature

developed by Cisco used to improve the wireless performance

with CCX compatible wireless devices. Check this box if you need

to connect to CCX-compatible wireless devices. When you

enabled CCX, the following setup items will become available:

Turn on CCKM: Check this box to enable CCKM (Cisco

Centralized Key Management), which enables wireless clients to

roam between CCKM-enabled access points in very short time.

Enable Radio Measurements: When you‟re connecting to

CCX-compatible access point, check this box to enable radio

measurement function to improve wireless connectivity.

Non-Serving Channel Measurements Limit: When you‟re

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