OPERATING BASICS
4-5
Wireless communications
Wireless communications
The computer’s wireless communication function support wireless LAN. This
section applies only to models with Wireless LAN functions.
Wireless LAN
The wireless LAN is compatible with other LAN systems based on Direct Sequence
Spread Spectrum radio technology that complies with IEEE 802.11 wireless LAN
standard (Revision B). It supports the following features:
◆ Automatic Transmit Rate Select mechanism in the transmit range of 11, 5.5, 2
and 1 Mbit/s.
◆ Frequency Channel Selection (2.4 GHz)
◆ Roaming over multiple channels
◆ Card Power Management
◆ Wired Equivalent Privacy (WEP) data encryption, based on the 128 bit RC4
encryption algorithm as defined in the IEEE 802.11 standard on wireless LANs.
Wake-up on LAN does not function on a wireless LAN.
Wireless communication switch
You can enable or disable wireless LAN function, with the on/off switch. No
transmissions are sent or received when the switch is off. Slide the switch to the
right to turn it on and to the left to turn it off.
CAUTION: Set the switch to off in airplanes and hospitals. Check the LED.
It will stop glowing when the wireless communication function is off.
Wireless communication LED
The LED indicates the status of the wireless communication functions.
LED status Indication
LED off Wireless communication switch is set to off.
Automatic power down because of overheating.
Power malfunction
LED glows Wireless communication switch is on.
Wireless LAN is turned on by an application.
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