Before using the wireless lan – 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
Before Using the Wireless LAN
This manual describes the procedures required to prop-
erly setup and configure the optional integrated Wireless 
LAN Mini-PCI device (referred to as "WLAN device" in 
the rest of the manual). Before using the WLAN device, 
read this manual carefully to ensure it's correct opera-
tion. Keep this manual in a safe place for future refer-
ence.
Wireless LAN Devices Covered by this Document
This document is applicable to systems containing one 
of the following two devices. Most of the procedures are 
identical. Sections that differ between the two devices 
have been noted in the text:
■
Intel® PRO/Wireless 3945ABG (WM3945ABG) 
Network Connection (802.11a+b/g) 
■
Atheros® AR5006EXS (AR5BXB6) Mini-Card 
Wireless network card (802.11a+b/g) 
Characteristics of the WLAN Device
■
The WLAN device is a Mini-PCI card attached to the 
main board of the mobile computer. 
■
It operates in two license-free RF bands, therefore 
eliminating the need to procure an FCC license to 
operate. It operates in the 2.4GHz Industrial, Scien-
tific, and Medical (ISM) RF band and in the lower and 
middle bands of the 5GHz Unlicensed National Infor-
mation Infrastructure (UNII) bands. 
■
The WLANs are capable of three operating modes, 
IEEE802.11a, IEEE802.11b and IEEE802.11g, wireless 
LAN standards governed by the IEEE (Institute of 
Electronics and Electrical Engineers). 
■
Encoding of data is modulated using Direct Sequence 
Spread Spectrum (DSSS) and Complementary Code 
Keying (CCK) when the WLAN device is operating in 
IEEE 802.11b mode and Orthogonal Frequency Divi-
sion Multiplexing (OFDM) when operating in 
IEEE802.11a or IEEE802.11g mode. 
■
The WLAN device is Wi-Fi certified and operates at 
the maximum data transfer rate of 54 Mbps in 
IEEE802.11a or IEEE802.11g mode and 11 Mbps in 
IEEE802.11b mode.
■
The WLAN device supports the following encryption 
methods - WEP, TKIP, and AES encryption.
Wireless LAN Modes Using this Wireless Module
Ad Hoc Mode (See Figure A-1)
“Ad Hoc Mode” refers to a type of wireless network that 
involves connecting multiple computers without the use 
of an Access Point. Network connectivity between 
computers can be established using only wireless LAN 
cards in a peer-to-peer fashion.
Ad Hoc networks are an easy and inexpensive method 
for establishing network connectivity between multiple 
computers.
In Ad Hoc mode, you can use Microsoft Network func-
tions, such as File and Print Sharing to share folders, 
printers, or other peripheral devices, and exchange files 
with other computers.
To use Ad Hoc Mode, you must set the same SSID and 
the same encryption key for all the computers that are 
connected. Communication between computers in an 
Ad Hoc network will occur provided they are within 
each other’s RF coverage area. 
Figure A-1. Ad Hoc Mode Network
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