AirLive WP-203G - Manual (Page 66)

You can select “64 bit” or “128 bit” length and “Hexadecimal” or “ASCII”
format for the encryption key. Longer key length can provide stronger
security but worth communication performance.
Enter four key values by following the rules below and select one key as
the default key.
y PassPhrase – A passphrase simplifies the WEP encryption process by
automatically generating the WEP encryption keys for the print server.
This setting is only valid when the security mode is in “WEP(HEX)”.
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