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Contents 
1  About This User Guide .......................................................................................................19 
1.1  Interpreting Typeface and Other Conventions ...................................................................... 19 
1.2  Getting Additional Help ......................................................................................................... 21 
1.3  Sending Feedback ................................................................................................................ 21 
2  Avoiding Hazards................................................................................................................ 22 
2.1  Preventing Overexposure to RF Energy ............................................................................... 22 
2.1.1  Calculations for Separation Distances and Power Compliance Margins.............................. 22 
3  Getting Started ....................................................................................................................25 
3.1  For Your Safety ..................................................................................................................... 25 
3.2  Welcome ............................................................................................................................... 26 
3.2.1  Who Should Use This Guide................................................................................................. 26 
3.2.2  Contact Information ............................................................................................................... 26 
3.2.3  Repair and Service................................................................................................................ 26 
3.3  Product Description............................................................................................................... 27 
3.3.1  The Outdoor Unit (ODU) ....................................................................................................... 28 
3.3.2  PIDU Plus – PTP 300/500/600 Series Bridge....................................................................... 29 
3.3.3  Redundancy and Alternative Powering Configurations......................................................... 31 
3.3.4  Remote LEDs and Recovery Switch..................................................................................... 33 
3.3.5  Cables and connectors ......................................................................................................... 33 
3.3.6  PTP and Lightning Protection ............................................................................................... 34 
3.3.7  Mounting Brackets................................................................................................................. 34 
3.3.8  Configuration and Management............................................................................................ 35 
3.4  Warranty................................................................................................................................35 
4  Product Architecture ..........................................................................................................36 
5  General Considerations .....................................................................................................39 
5.1  Spectrum Planning................................................................................................................ 39 
5.2  Licenses and Region Codes ................................................................................................. 40 
5.3  Operational Restrictions........................................................................................................ 42 
5.3.1  Radar Avoidance................................................................................................................... 42 
5.3.2  5.8GHz Restrictions .............................................................................................................. 43 
5.4  Channel Bandwidth Operation .............................................................................................. 44 
5.5  PTP 54500 Specific Frequency Planning Considerations .................................................... 45 
5.5.1  PTP 54500 Raster Considerations:....................................................................................... 45 
5.5.2  Transmit Power Reduction at the Band Edges ..................................................................... 45