Cabletron Systems 3Com Manual De Usuario

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12
 
C
 
HAPTER
 
 1: O
 
VERVIEW
 
 
 
OF
 
 D
 
IGITAL
 
 W
 
IRELESS
 
 N
 
ETWORKING
 
Multiple-AP Full
Coverage Network
 
This network topology will be used in most enterprise environments: multiple APs 
wired to an existing LAN to provide complete wireless network coverage. In this 
scenario, as shown in the following figure, wireless clients can roam seamlessly 
between different coverage areas and remain connected to the network.
AirConnect Access 
Point
The AirConnect access point (AP) provides either a wireless peer-to-peer network 
coverage area, or a bridge between Ethernet-wired LANs and AirConnect wireless 
networks. Essentially replacing the cabling of wired networks, the AP delivers 
transparent connectivity between wireless clients, or between Ethernet networks 
and wireless clients.
The AP provides an 11 Mbps data transfer rate, monitoring Ethernet traffic and 
forwarding appropriate Ethernet messages to wireless clients over the network. 
It also monitors wireless client radio traffic and forwards wireless client packets 
to the Ethernet LAN.
The AP uses high data rate, direct sequence spread spectrum technology to 
communicate with mobile and stationary units at distances of up to 300 feet, 
providing high-capacity networking capability and the flexibility of mobility to 
end users.