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Table Of Contents
PTP 250 User Guide
phn-2182_003v004 (Oct 2011)
UNDER DEVELOPMENT
iii
Power supply selection ........................................................................................................ 2-6
Maximum cable lengths ...................................................................................................... 2-7
Wind loading ....................................................................................................................... 2-7
Link planning .......................................................................................................................... 2-10
Range and obstacles ......................................................................................................... 2-10
PTP LINKPlanner .............................................................................................................. 2-10
Path loss considerations .................................................................................................... 2-11
Planning for connectorized units ............................................................................................ 2-12
When to install connectorized units .................................................................................. 2-12
Choosing external antennas .............................................................................................. 2-12
Calculating maximum power level for connectorized units .............................................. 2-13
Calculating RF cable length (5.8 GHz FCC only) .............................................................. 2-14
Grounding and lightning protection ........................................................................................ 2-15
The need for power surge protection ................................................................................ 2-15
Standards .......................................................................................................................... 2-15
Lightning protection zones ............................................................................................... 2-16
General protection requirements ...................................................................................... 2-17
Protection requirements for a mast or tower installation ................................................. 2-18
Protection requirements for a wall installation ................................................................ 2-20
Protection requirements on a high rise building .............................................................. 2-21
Data network planning ............................................................................................................ 2-23
IP interface ........................................................................................................................ 2-23
Back to back links ............................................................................................................. 2-23
‘Green Ethernet’ switches ................................................................................................. 2-23
Ordering components.............................................................................................................. 2-24
PTP 250 kits ...................................................................................................................... 2-24
Other standard components .............................................................................................. 2-27
Components required with connectorized ODUs .............................................................. 2-29
Alternative components .................................................................................................... 2-34
Chapter 3: Legal information ..................................................................................... 3-1
Motorola Solutions, Inc. end user license agreement ............................................................... 3-2
Definitions ........................................................................................................................... 3-2
Grant of license ................................................................................................................... 3-2
Conditions of use ................................................................................................................. 3-3
Title and restrictions ........................................................................................................... 3-4
Confidentiality ..................................................................................................................... 3-4
Right to use Motorola’s name ............................................................................................. 3-5