Siemens HiPath 2000 Manual page 27

For a WEP Mode of 64 bits the key must consist of 5 ASCII characters
or 10 hexadecimal characters.
For a WEP Mode of 128 bits the key must consist of 13 ASCII charac-
ters or 26 hexadecimal characters.
Please note that the WEP key needs to be changed at regular inter-
vals!
– Authentication Mode
Set the mode that is also set at the access point/WLAN router.
Click on the option Shared Key if the WEP key is also used for au-
thentication in the WLAN, i.e. the handset can only log in to the
WLAN if it passes the correct key.
Click on the option Open System if the WEP key is only used for data
encryption and not for authentication.
WPA
WPA can only be set via the Admin menu.
WPA (Wi-Fi Protected Access) offers security through encryption with
dynamic keys. The dynamic keys are exchanged using the authentication
protocol EAP (Extensible Authentication Protocol) when a connection/
session is established. WPA therefore also requires authentication with EAP.
You need to make the necessary settings in the Authentication section.
– Encryption Type
The TKIP method of encryption is set.
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