Contents
Page iii
Antenna accessories ................................................................................................................. 2-37

GPS synchronization ........................................................................................................................ 2-38
GPS synchronization description ............................................................................................. 2-38
Universal GPS (uGPS) .............................................................................................................. 2-38
CMM5 ......................................................................................................................................... 2-39
CMM5 Controller Module ......................................................................................................... 2-42
CMM5 Injector Module ............................................................................................................. 2-43
CMM5 Injector Compatibility Matrix ....................................................................................... 2-43
CMM5 Specifications ................................................................................................................ 2-44
CMM4 (Rack
Mount)
................................................................................................................ 2-45
CMM4
(Cabinet
with
switch)
.................................................................................................. 2-48
CMM4
(Cabinet
without
switch)
............................................................................................ 2-48
CMM3/CMMmicro ..................................................................................................................... 2-49
Installing a GPS receiver ................................................................................................................. 2-51
GPS receiver location ................................................................................................................ 2-51
Mounting the GPS receiver ...................................................................................................... 2-52
Cabling the GPS Antenna ......................................................................................................... 2-53
Installing and connecting the GPS LPU .................................................................................. 2-53
Ordering the components ............................................................................................................... 2-54
Chapter 3: System planning ............................................................................................................. 3-1
Typical deployment ........................................................................................................................... 3-2
ODU with PoE interface to PSU ................................................................................................. 3-2
Site planning....................................................................................................................................... 3-7
Site selection for PMP/PTP radios ............................................................................................. 3-7
Power supply site selection ........................................................................................................ 3-8
Maximum cable lengths ............................................................................................................. 3-8
Grounding and lightning protection .......................................................................................... 3-8
ODU and external antenna location ........................................................................................ 3-10
ODU ambient temperature limits ............................................................................................ 3-10
ODU wind loading ..................................................................................................................... 3-11
Drop cable grounding points ................................................................................................... 3-14
Lightning Protection Unit (LPU) location ................................................................................ 3-15
Radio Frequency planning .............................................................................................................. 3-16
Regulatory limits ....................................................................................................................... 3-16
Conforming to the limits........................................................................................................... 3-16
Available spectrum ................................................................................................................... 3-16
Analyzing the RF Environment ................................................................................................ 3-17
Channel bandwidth ................................................................................................................... 3-17
Anticipating Reflection of Radio Waves .................................................................................. 3-17
Obstructions in the Fresnel Zone ............................................................................................. 3-18
Planning for co-location ............................................................................................................ 3-18
Multiple OFDM Access Point Clusters ..................................................................................... 3-19
PMP 450m Series planning ...................................................................................................... 3-21
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