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Chapter 1
Overview
Point-to-Multipoint Mesh Network
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The access point is typically deployed in a mesh network configuration. In a typical mesh deployment,
one or more RAPs have a wired network connection through a switch to a controller. Other remote MAPs
without wired network connections use the backhaul feature to optimally link to a RAP that is connected
to the wired network. In the mesh network, the links between the access points are referred to as the
backhaul links.
Intelligent wireless routing is provided by the Adaptive Wireless Path protocol (AWPP). This enables
each MAP to identify its neighbors and intelligently choose the optimal path to the RAP with the wired
network connection by calculating the cost of each path in terms of signal strength and the number of
hops required to get to a controller with signal strength given priority since signal strength determines
the data rate available for backhaul.
Figure 1-14
illustrates a typical mesh configuration using MAPs and RAPs.
Figure 1-14
Typical Mesh Configuration Using Cisco 1552SA/1552SD Access Points with Sensors
WLC
Network
NCS
WDM
Wi-Fi Network link
ISA100 Network link
The Cisco 1552SA/1552SD is a universal and multifunctional outdoor wireless mesh network that
supports not only WI-FI devices and applications, but also supports wireless field I/Os and actuators on
ISA100.11a protocol.
MAP 1
MAP 4
MAP 7
Cisco Aironet 1550 Series for Hazardous Locations Installation Guide
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Hardware Features
RAP
MAP 2
MAP 3
MAP 5
MAP 6
MAP 8
MAP 9
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