User's Manual

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) .......................................................................................................................................................... 1-15
Network connection ................................................................................................................................................ 1-19
AP power supply .................................................................................................................................................... 1-19
Radio tab of the AP ................................................................................................................................................ 1-20
Further reading on the AP ...................................................................................................................................... 1-25
Subscriber Module (SM) ................................................................................................................................................ 1-26
Mounting brackets .................................................................................................................................................. 1-26
Network connection ................................................................................................................................................ 1-26
SM power supply .................................................................................................................................................... 1-26
Further reading on the SM ...................................................................................................................................... 1-27
Radio tab of the SM ................................................................................................................................................ 1-31
Cabling and lightning protection .................................................................................................................................... 1-36
PMP and lightning protection ................................................................................................................................. 1-36
Outdoor connections ............................................................................................................................................... 1-36
Wireless operation.......................................................................................................................................................... 1-37
Time division duplexing ......................................................................................................................................... 1-37
OFDM and channel bandwidth ............................................................................................................................... 1-37
Link operation – Dynamic Rate Adapt ................................................................................................................... 1-38
Adaptive modulation .............................................................................................................................................. 1-46
MIMO ..................................................................................................................................................................... 1-46
Cyclic Prefix ........................................................................................................................................................... 1-46
Encryption .............................................................................................................................................................. 1-46
vi
pmp-0047 (March 2014)