Lancom Systems 3550 manual Lancom Public Spot Option, Installation of AirLancer Extender antennas

LANCOM 3550 Wireless

Chapter 8: Options and accessories

these signals can be re-combined into a single signal. The most common methods are space diversity and polarization diversity.

LANCOM Systems supplies a variety of polarization-diversity antennas as accessories for LANCOM Wireless Router. These models enable two orthogo- nally polarized signals to be received with a single antenna. Further informa- tion about this technique is available in our "Polarization Diversity" techpaper.

Polarization diversity antennas from LANCOM Systems:

AirLancer Extender O-D80g (2.4 GHz band ), item no. 61221

AirLancer Extender O-D60a (5 GHz band ), item no. 61222

8.1.2Installation of AirLancer Extender antennas

For installation of an optional AirLancer antenna turn off the LANCOM Wireless Router by pulling out the power supply cable of the device. Remove now carefully the two diversity antennas on the back by screwing them out. Connect the AirLancer antennas to the antenna connector with the inscription ’Antenna Main’.

’Antenna Main’ connector for AirLancer antenna

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Antenna Aux AC 12 V LAN 10/100 Mb Reset Antenna Main

8.2LANCOM Public Spot Option

Wireless public spots are publicly accessible points, at which users with their own mobile computers can dial wirelessly into a network, usually into the Internet.

The Wireless LAN technology is ideally suitable to offer wireless Internet serv- ices to the public at places such as airports, hotels, stations, restaurants or cafés, so-called Public Hot Spots. The LANCOM Public Spot Option is intended for operators of public wireless networks, and unveils additional functions for authentication and billing of public Internet services for the LANCOM Router base station, thus enabling a simple set-up and maintenance of public hot spots.

The LANCOM Public Spot Option is the optimal solution for public Wireless LANs. Wireless LANs are very suitable for company networks and for wireless networking at home. But for public access services, there is a lack of mecha-

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