Contents
Page iii
GPS synchronization ......................................................................................................................... 2-45
GPS synchronization description ................................................................................................ 2-45
Universal GPS (UGPS) .............................................................................................................. 2-45
CMM5 .......................................................................................................................................... 2-46
CMM5 Controller Module ............................................................................................................ 2-48
CMM5 Injector Module ................................................................................................................ 2-49
CMM5 Injector Compatibility Matrix ............................................................................................ 2-49
CMM5 Specifications .................................................................................................................. 2-50
CMM4 (Rack Mount) .................................................................................................................. 2-51
CMM4 (Cabinet with switch) ..................................................................................................... 2-54
CMM4 (Cabinet without switch) ................................................................................................ 2-54
CMM3/CMMmicro ....................................................................................................................... 2-55
Installing a GPS receiver ................................................................................................................... 2-57
GPS receiver location ................................................................................................................. 2-57
Mounting the GPS receiver ......................................................................................................... 2-58
Cabling the GPS Antenna ........................................................................................................... 2-59
Installing and connecting the GPS LPU ...................................................................................... 2-59
Ordering the components .................................................................................................................. 2-60
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
Hazardous locations .................................................................................................................... 3-15
Drop cable grounding points ....................................................................................................... 3-15
Lightning Protection Unit (LPU) location ..................................................................................... 3-16
Radio Frequency planning ................................................................................................................. 3-17
Regulatory limits .......................................................................................................................... 3-17
Conforming to the limits .............................................................................................................. 3-17
Available spectrum ...................................................................................................................... 3-17
Analyzing the RF Environment ................................................................................................... 3-18
Channel bandwidth ..................................................................................................................... 3-18
Anticipating Reflection of Radio Waves ...................................................................................... 3-18
Obstructions in the Fresnel Zone ................................................................................................ 3-19
Planning for co-location............................................................................................................... 3-19
Multiple OFDM Access Point Clusters ........................................................................................ 3-20
Considerations on back-to-back frequency reuse ...................................................................... 3-22
PMP 450m Series planning ........................................................................................................ 3-26
Содержание PMP 450 AP
Страница 1: ...33F Cambium 450 Platform User Guide System Release 15 2 pass...
Страница 14: ...Contents Page xii 450m overload I Glossary III...
Страница 91: ...Chapter 2 System hardware System Components Page 2 27 Figure 16 Gigabit Enet Capable power supply...
Страница 104: ...Chapter 2 System hardware Cabling Page 2 40...
Страница 139: ...Chapter 3 System planning Typical deployment Page 3 6 Figure 44 GPS receiver tower or mast installation...
Страница 157: ...Chapter 3 System planning Radio Frequency planning Page 3 24 Figure 49 Sector Antenna...
Страница 158: ...Chapter 3 System planning Radio Frequency planning Page 3 25 Figure 50 cnMedusa Antenna...
Страница 189: ...Chapter 3 System planning Remote AP Deployment Page 3 56 Figure 59 Remote AP wired to SM that serves as a relay...