Motorola PTP 300 Series User Manual page 5

Point-to-point wireless bridge
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4.6.1
ODU Site Selection ...................................................................................................... 34
4.6.2
PIDU Plus Site Selection ............................................................................................. 34
4.7
Wind Loading ......................................................................................................................... 34
4.7.1
Calculation of Lateral Force ......................................................................................... 34
4.7.2
Capabilities of the PTP 300 Series Bridges................................................................. 35
4.7.3
Wind Speed Statistics .................................................................................................. 36
4.8
Path Loss Considerations ...................................................................................................... 37
4.8.1
Calculating Path Loss .................................................................................................. 37
4.8.2
Adaptive Modulation .................................................................................................... 37
4.9
System Threshold, Output Power and Link Loss................................................................... 38
5 Lightning Protection ..................................................................................................................... 39
5.1
Lightning Protection Zones .................................................................................................... 39
5.2
LPU Detailed Installation........................................................................................................ 42
5.3
LPU Kit ................................................................................................................................... 43
5.4
LPU Installation Wiring ........................................................................................................... 43
5.5
LPU Installation Diagram ....................................................................................................... 45
5.5.1
Typical Mast or Wall Installation .................................................................................. 46
6 Installation...................................................................................................................................... 47
6.1
Installation Support................................................................................................................. 48
6.2
Legal Disclaimer..................................................................................................................... 48
6.3
Preparation............................................................................................................................. 48
6.3.1
Checks ......................................................................................................................... 48
6.3.2
Tools Required............................................................................................................. 48
6.4
Mounting the ODUs................................................................................................................ 49
6.4.1
Mounting Bracket ......................................................................................................... 49
6.4.2
ODU Mounting Procedure............................................................................................ 50
6.4.3
Hoist and Safety Loop.................................................................................................. 52
6.5
Connecting Up........................................................................................................................ 53
6.5.1
Preparing the PIDU Plus To ODU Cable ..................................................................... 53
6.5.2
Making the Connections at the ODU ........................................................................... 56
6.5.3
Making the PIDU Plus Connection At The ODU.......................................................... 57
6.5.4
Routing the Cable ........................................................................................................ 58
6.5.5
Fitting a Lightning Protection Unit ................................................................................ 58
6.5.6
Grounding the Installation............................................................................................ 59
6.5.7
Making the ODU Connection at the PIDU Plus ........................................................... 59
6.5.8
Making the Network Connection at the PIDU Plus ...................................................... 61
4Gon www.4Gon.co.uk info@4gon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 808299
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