User Guide

Contents PMP 450 Planning Guide
Contents
PMP 450 module essential information .................................................................................................................. ii
Safety and regulatory information .................................................................................. iv
Important safety information ........................................................................................................................ iv
Important regulatory information .................................................................................................................. v
About This Planning Guide ........................................................................................... 1-4
General information ........................................................................................................................................... 1-5
Version information .................................................................................................................................... 1-5
Contacting Cambium Networks ................................................................................................................... 1-5
Problems and warranty ...................................................................................................................................... 1-7
Security advice................................................................................................................................................... 1-9
Warnings, cautions, and notes .......................................................................................................................... 1-10
Overview of PMP 450 ....................................................................................................................................... 1-11
Purpose ..................................................................................................................................................... 1-11
Key features .............................................................................................................................................. 1-11
Typical deployment................................................................................................................................... 1-12
System components ................................................................................................................................... 1-13
Access Point (AP) ............................................................................................................................................ 1-16
Network connection .................................................................................................................................. 1-20
AP power supply ....................................................................................................................................... 1-20
Radio tab of the AP .................................................................................................................................. 1-21
Further reading on the AP ......................................................................................................................... 1-26
Subscriber Module (SM) ................................................................................................................................... 1-27
Mounting brackets .................................................................................................................................... 1-27
Network connection .................................................................................................................................. 1-27
SM power supply ....................................................................................................................................... 1-27
Further reading on the SM ........................................................................................................................ 1-28
Radio tab of the SM .................................................................................................................................. 1-32
Cabling and lightning protection ...................................................................................................................... 1-38
PMP and lightning protection ................................................................................................................... 1-38
Outdoor connections .................................................................................................................................. 1-38
Wireless operation ............................................................................................................................................ 1-39
Time division duplexing ............................................................................................................................ 1-39
OFDM and channel bandwidth .................................................................................................................. 1-39
Link operation – Dynamic Rate Adapt ...................................................................................................... 1-40
Adaptive modulation................................................................................................................................. 1-48
MIMO ....................................................................................................................................................... 1-48
Cyclic Prefix ............................................................................................................................................. 1-48
vi
pmp-0047 (March 2014)