Wi-Fi Array
ii
Table of Contents
Key Features and Benefits ..................................................................................... 13
High Capacity and High Performance ........................................................ 13
Extended Coverage ......................................................................................... 14
Flexible Coverage Schemes .................................................................... 14
Non-Overlapping Channels .......................................................................... 15
Secure Wireless Access .................................................................................. 15
Applications Enablement .............................................................................. 15
SDMA Optimization ...................................................................................... 15
Fast Roaming ................................................................................................... 15
Easy Deployment ............................................................................................ 15
Product Specifications (XN16 and XN8) ............................................................. 16
Product Specifications (XN4) ............................................................................... 21
Installing the Wi-Fi Array ................................................................. 27
Installation Prerequisites ...................................................................................... 27
Optional Network Components ................................................................... 29
Client Requirements ....................................................................................... 29
Planning Your Installation .................................................................................... 30
General Deployment Considerations .......................................................... 30
Coverage and Capacity Planning ................................................................. 32
Placement .................................................................................................. 32
RF Patterns ................................................................................................ 33
Capacity and Cell Sizes ........................................................................... 34
Fine Tuning Cell Sizes ............................................................................. 35
Roaming Considerations ........................................................................ 36
Allocating Channels ................................................................................ 36
Deployment Examples ............................................................................ 38
Failover Planning ............................................................................................ 40
Port Failover Protection .......................................................................... 40
Switch Failover Protection ..................................................................... 41
Power Planning ............................................................................................... 42
AC Power .................................................................................................. 42
Power over Gigabit Ethernet ................................................................. 42
Security Planning ............................................................................................ 42
Wireless Encryption ................................................................................ 42
Authentication ......................................................................................... 43
Network Management Planning .................................................................. 45
Summary of Contents for Wi-Fi Array XN16
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