SMC Networks SMC2655W - Manual (Page 21)

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Infrastructure Wireless LAN
The SMC2655W can also provide access to a wired
LAN for wireless workstations. An integrated
wired and wireless LAN is called an Infrastructure
configuration. A Basic Service Set (BSS) consists of
a group of wireless PC users, and an access point
that is directly connected to the wired LAN. Each
wireless PC in this BSS can talk to any computer in
its wireless group via a radio link, or access other
computers or network resources in the wired LAN
infrastructure via the access point.
The infrastructure configuration not only extends
the accessibility of wireless PCs to the wired LAN,
but also doubles the effective wireless
transmission range for wireless PCs by passing
their signal through one or more access points.
A wireless infrastructure can be used for access to
a central database, or for connection between
mobile workers, as shown in the following figure.