User Guide

Table Of Contents
PMP 450 Planning Guide List of Figures
pmp-0047 (December 2012)
vii
List of Figures
Figure 1 Line Of Sight Diagram .............................................................................................................................................1-3
Figure 2 AP, Radio unit ..........................................................................................................................................................1-5
Figure 3 AP, antenna ..............................................................................................................................................................1-5
Figure 4 AP interfaces ............................................................................................................................................................1-6
Figure 5 AP diagnostic LEDs, viewed from unit front ...........................................................................................................1-7
Figure 6 PMP 450 Series SM .................................................................................................................................................1-9
Figure 7 SM interfaces ..........................................................................................................................................................1-10
Figure 8 SM diagnostic LEDs, viewed from unit front ........................................................................................................1-11
Figure 9 TDD frame division................................................................................................................................................1-14
Figure 10 AP web-based management screenshot ................................................................................................................1-19
Figure 11 Determinants in Rx signal level ............................................................................................................................2-17
Figure 12 Example layout of 16 Access Point sectors (ABCD), 90 degree sectors ..............................................................2-21
Figure 13 Example layout of 16 Access Point sectors (ABC), 60 degree sectors.................................................................2-22
Figure 14 OFDM Frame Calculator tab ................................................................................................................................2-24
Figure 15 Variables for calculating angle of elevation (and depression) ..............................................................................2-28
Figure 16 Rolling sphere method to determine the lightning protection zones ....................................................................2-32
Figure 17 Grounding cable minimum bend radius and angle ...............................................................................................2-34
Figure 18 Grounding and lightning protection on mast or tower ..........................................................................................2-35
Figure 19 Grounding and lightning protection on wall .........................................................................................................2-36
Figure 20 Grounding and lightning protection on building ..................................................................................................2-37
Figure 21 Grounding and lightning protection inside high building .....................................................................................2-38
Figure 22 One unsynchronized AP in cluster resulting in self-interference .........................................................................2-40
Figure 23 GPS timing throughout the network .....................................................................................................................2-41
Figure 24 Cambium network management domain ..............................................................................................................2-43
Figure 25 Example of IP address in Class B subnet ..............................................................................................................2-45
Figure 26 Categorical protocol filtering ...............................................................................................................................2-56
Figure 27 AP DFS Status ......................................................................................................................................................4-14