Fujitsu P1610 User Manual download pdf (Page 94)

LifeBook P1600 Series Notebook

Before Using the Wireless LAN

This manual describes the procedures required to prop-

erly setup and configure the 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 operation.

Keep this manual in a safe place for future reference.

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 three devices

have been noted in the text:

■

Intel PRO/Wireless 3945ABG Network Connections

(WM3945ABG) Network Connections

■

Atheros AR5006EXS Mini-Card wireless network card

(AR5BXB6)

Characteristics of the WLAN Device

■

The WLAN device is a Mini-PCI card attached to the

main board of the mobile computer.

■

The WLAN devices operate in license-free RF bands,

eliminating the need to procure an FCC license to

operate. Both WLAN devices operate in the 2.4GHz

Industrial, Scientific, and Medical (ISM) RF band and

the lower and middle bands of the 5GHz Unlicensed

National Information Infrastructure (UNII) bands.

■

The Intel PRO/Wireless 2915ABG and Atheros

AR5002X WLAN devices are capable of three operat-

ing modes: IEEE 802.11a, IEEE 802.11b and IEEE

802.11g.

■

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 IEEE

802.11a or IEEE 802.11g mode.

■

The WLAN device is Wi-Fi certified and operates at

the maximum data transfer rate of 54 Mbps in IEEE

802.11a or IEEE 802.11g mode and 11 Mbps in IEEE

802.11b mode.

■

The WLAN device supports the following encryption

methods - WEP, CKIP, TKIP, and AES encryption.

WIRELESS LAN MODES USING THIS DEVICE

Ad Hoc Mode

(See Figure A-1)

"Ad Hoc Mode" refers to a wireless network architecture

where wireless network connectivity between multiple

computers is established without a central wireless

network device, typically known as Access Point(s).

Connectivity is accomplished using only client devices in

a peer-to-peer fashion. That is why Ad Hoc networks are

also known as peer-to-peer networks. Ad Hoc networks

are an easy and inexpensive method for establishing

network connectivity between multiple computers.

Ad Hoc mode requires that the SSID, network authenti-

cation, and encryption key settings are identically

configured on all computers in the Ad Hoc network.

Figure A-1. Ad Hoc Mode Network

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