Aironet PCI4810B Betriebsanweisung PDF herunterladen (Seite 36)

Section 2: Using the WinDGS Utilities

• Data Rate: This parameter determines the data rate

used to transfer all management frames by the client

device when associated within a given Basic Service

Set (BSS). When operating in Infrastructure Mode, this

parameter should be set to correspond to the Access

Point setting. When operating in Ad Hoc Mode, all sta-

tions should have the same setting.

• Authentication type: This parameter controls the vali-

dation of the WEP Key. Shared Key Authentication vali-

dates that the client is using the same WEP Key as the

Access Point. The Access Point sends a known, un-

encrypted “challenge packet” to the client. The client

then encrypts the challenge packet and sends it back to

the Access Point. The Access Point then attempts to

decrypt the encrypted challenge packet, and sends an

Authentication response packet indicating the success

or failure of the decryption back to the client. Open

Authentication does not check for a matching WEP

Key. The Shared Key selection is not available if the cli-

ent’s WEP Key is not set.

• Modulation: This parameter determines the type of

radio modulation that the Wireles LAN Adapter uses at

the 5.5 Mbps and 11 Mbps data rates. Older versions of

firmware use MOK modulation, while newer firmware

versions use the IEEE 802.11 Standard CCK modula-

tion. The modulation that the PCI/ISA4800B Series

card uses must match the modulation of the Access

Point (in an Infrastructure Mode configuration) or other

Wireless LAN Adapters (in an Ad Hoc Mode configura-

tion). Otherwise, the radio will not communicate with

the other devices.

• Use Short Radio Headers: Select this checkbox to use

short radio headers when transmitting. Short radio

Model Allowable Selections

4800B Series Auto Rate Selection, 1 Mbps Only, 2 Mbps

Only, 5.5 Mbps Only, or 11 Mbps Only

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Aironet PCI4810B Betriebsanweisung Seite 36