Fujitsu Siemens Computers Stylistic ST5112 User Manual
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S t y l i s t i c S T 5 1 0 0 S e r i e s T a b l e t P C U s e r ’ s G u i d e – A p p e n d i x A
Open system authentication
An 802.11 wireless LAN authentication method. Open 
System does not exchange any key or other information, 
it is a simple request by the mobile station to be authen-
ticated without verifying identity.
PPPoE (Point to Point Protocol over Ethernet)
A method of allowing the authentication protocol 
adopted in telephone line connection (PPP) to be used 
over an Ethernet.
Protocol
A procedure or rule of delivering data among 
computers. Ordered data communication is allowed by 
making all conditions required for communication 
including the method of data transmission/reception 
and actions upon communication errors into proce-
dures.
Shared key authentication
An 802.11 wireless LAN authentication method. When a 
client attempts to associate to an access point, the access 
point will send a challenge to the client. The client 
encrypts the challenge with the network key and sends it 
back to the access point. If the access point can decrypt 
the challenge, then authentication has succeeded.
SSID (Service Set Identifier)
See “Network name”
Subnet mask
TCP-IP network is controlled by being divided into 
multiple smaller networks (subnets). IP address consists 
of the subnet address and the address of each computer. 
Subnet mask defines how many bits of IP address 
comprise the subnet address. The same value shall be set 
among computers communicating with each other.
TCP/IP (Transmission Control Protocol/Internet 
Protocol)
A standard protocol of the Internet.
Wi-Fi
Short for “Wireless Fidelity”. A term meant to be used 
generically when referring to any type of 802.11 
network, whether 802.11b, 802.11a, 802.11g, etc.
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