
Appendix A: Aironet Wireless LAN Adapter Overview
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Saving: Max PSP, the most energy conserving mode; Fast
PSP, which sacrifices some power-saving in exchange for
data transfer speed; and CAM (Constant Awake Mode), in
which the client node never sleeps. Client nodes powered
from an AC line should use CAM.
Repeater: A repeater is an Access Point that extends the
radio range of the infrastructure. A repeater is not physically
attached to the wired LAN, but communicates via radio to
another Access Point, which is either a root unit or another
repeater.
Root Unit: The root unit is an Access Point that is located
at the top, or starting point, of a wireless infrastructure. A
root unit provides the physical connection to the wired LAN
(such as Ethernet or Token Ring) and contains configura-
tion information in its association table that covers all nodes
that access the wired network (backbone). All Access
Points directly attached to the wired LAN backbone are root
units.
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