ZyXEL Communications ZyAIR G-5100 Support Notes page 32

Most access points and clients have the ability to hold up to 4 WEP keys simultaneously. You need to specify one of the 4 keys as default Key for data encryption.
To set up the Access Point, you will need to set the one of the following parameters:
64-bit WEP key (secret key) with 5 characters
64-bit WEP key (secret key) with 10 hexadecimal digits
128-bit WEP key (secret key) with 13 characters
128-bit WEP key (secret key) with 26 hexadecimal digits
You can set up the Access Point by SMT or Web configurator
Setting up the Access Point from SMT Menu 3.5
G-5100 hold up to 4 WEP Keys. You have to specify one of the 4 keys as default Key which be used to encrypt wireless data transmission.
For example,
Operaing Mode= Access Point
ESSID= Wireless
Hide ESSID= No
Channel ID= CH06 2412MHz
RTS Threshold= 2432
Frag. Threshold= 2432
64-bit WEP
WEP Encryption=
Default Key= 3
Key1= lkasd
Key2= oueww
Key3= wopek
Key4= woppe
Authen. Method= N/A
Press ENTER to Confirm or ESC to Cancel:
Key settings
Hexadecimal digits have to preceded by '0x',
WEP Key type
64-bit WEP with 5 characters
64-bit WEP with 10 hexadecimal digits
('0-9', 'A-F')
Menu 3.5 - Wireless LAN Setup
Edit MAC Address Filter= No
Edit Roaming Configuration= No
Edit Multiple ESS Configuration= N/A
Edit Bridge Link Configuration= N/A
Block Intra-BSS Traffic= No
Number of Associated Stations= 32
Breathing LED= Yes
Output Power= 17dBm
Example
Key1= 2e3f4
Key2= 5y7js
Key3= 24fg7
Key4= 98jui
Key1= 0x123456789A
Key2= 0x23456789AB
Key3= 0x3456789ABC
Key4= 0x456789ABCD