Page i
Contents
About This User Guide .................................................................................................................... 1
Contacting Cambium Networks .............................................................................................. 1
Purpose ..................................................................................................................................... 1
Cross references ....................................................................................................................... 2
Feedback ................................................................................................................................... 2
Important regulatory information.................................................................................................. 3
USA specific information......................................................................................................... 3
Canada specific information ................................................................................................... 3
Renseignements specifiques au Canada ............................................................................... 4
EU Declaration of Conformity ................................................................................................. 4
Application firmware ............................................................................................................... 4
Specific expertise and training for professional installers ................................................... 5
External antennas ..................................................................................................................... 5
Antennas externes ................................................................................................................... 5
Ethernet networking skills ....................................................................................................... 5
Lightning protection ................................................................................................................. 5
Training ..................................................................................................................................... 6
Problems and warranty .................................................................................................................. 7
Reporting problems ................................................................................................................. 7
Repair and service .................................................................................................................... 7
Hardware warranty .................................................................................................................. 7
Security advice ................................................................................................................................ 8
Warnings, cautions, and notes ...................................................................................................... 9
Warnings ................................................................................................................................... 9
Cautions .................................................................................................................................... 9
Notes ......................................................................................................................................... 9
Caring for the environment .......................................................................................................... 10
In EU countries ....................................................................................................................... 10
In non-EU countries ............................................................................................................... 10
Chapter 1: Product description ................................................................................................. 1-1
Overview of the PTP 550 Series .................................................................................................. 1-2
Purpose .................................................................................................................................. 1-2
Key features ........................................................................................................................... 1-2
Frequency bands ................................................................................................................... 1-3
Typical bridge deployment .................................................................................................. 1-4
Hardware overview ............................................................................................................... 1-5
Wireless operation ....................................................................................................................... 1-7
Channel Bonding ................................................................................................................... 1-7
Time division duplexing ....................................................................................................... 1-8
Link Scheduler ..................................................................................................................... 1-10
OFDM and channel bandwidth .......................................................................................... 1-10