User Guide

PMP 450 Planning Guide Contents
pmp-0047 (December 2012)
iii
Contents
PMP 450 module essential information ............................................................................................................................... 2
Safety and regulatory information .................................................................................... i
Important safety information ......................................................................................................................................... i
Important regulatory information ................................................................................................................................. ii
About This Planning Guide ................................................................................................ x
General information ............................................................................................................................................................ xi
Version information .................................................................................................................................................... xi
Contacting Cambium Networks .................................................................................................................................. xi
Chapter 1: Product description .................................................................................. 1-1
Overview of PMP 450 ......................................................................................................................................................1-2
Purpose ......................................................................................................................................................................1-2
Key features ...............................................................................................................................................................1-2
Typical deployment ...................................................................................................................................................1-3
System components ...................................................................................................................................................1-4
Access Point (AP) .............................................................................................................................................................1-5
Network connection ..................................................................................................................................................1-8
AP power supply .......................................................................................................................................................1-8
Further reading on the AP .........................................................................................................................................1-8
Subscriber Module (SM) ...................................................................................................................................................1-9
Mounting brackets ...................................................................................................................................................1-12
Network connection ................................................................................................................................................1-12
SM power supply.....................................................................................................................................................1-12
Further reading on the SM .......................................................................................................................................1-12
Cabling and lightning protection .....................................................................................................................................1-13
PMP and lightning protection ..................................................................................................................................1-13
Outdoor connections ................................................................................................................................................1-13
Wireless operation ..........................................................................................................................................................1-14
Time division duplexing ..........................................................................................................................................1-14
OFDM and channel bandwidth ...............................................................................................................................1-14
Link operation – Dynamic Rate Adapt ....................................................................................................................1-15
Adaptive modulation ...............................................................................................................................................1-16
MIMO......................................................................................................................................................................1-17
Cyclic Prefix ............................................................................................................................................................1-17
Encryption ...............................................................................................................................................................1-17
Further reading on wireless operation .....................................................................................................................1-17
System management .......................................................................................................................................................1-18
Management agent ..................................................................................................................................................1-18
Web server ...............................................................................................................................................................1-18