Datasheet

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 Key Length – You can choose “64-bit” to use WEP with
64-bit key length encryption or choose “128-bit” to use
WEP with 128-bit key length encryption. The longer key
length can provide better security but worse transmission
throughput.
 Key Format – You may select to use ASCII Characters
(alphanumeric format) or Hexadecimal digits (in the "A-F",
"a-f" and "0-9" range) to be the WEP Key.
 PassPhrase – A passphrase simplifies the WEP
encryption process by automatically generating the WEP
encryption keys for the print server.

Default Key – Select one of the four keys to encrypt your
data. Only the key you select it in the “Default key” will
take effect.