Pole And Towers; Pecifications - DragonWave Horizon COMPACT Plus Product Manual

7.2 Pole and Tower Specifications
It is important that mounting posts or towers used meet the DragonWave specifications for rigidity to
minimize the effects of twist and sway on the alignment of the link. Note that the maximum twist and sway
angle allowable is equal to half of the antenna beam width.
Table 7-2
Twist and Sway Specifications – Selected Frequencies
Frequency
18 GHz
23 GHz
Table 7-3
Mounting pole specifications
Antenna
Diameter
30 cm/12"
30 cm/12"
60 cm/24"
60 cm/24"
75 cm/30"
90 cm/36"
120 cm/48"
180 cm/72"
Twist and sway caused by wind or human activity can cause a link to fail. Using poles with specifications
shown in Table 7-3 will result in a stable mounting system. Systems with antenna sizes of 90 cm/36" in
diameter and greater, are recommended to be mounted on towers.
Horizon Compact Plus Release 1.0.1
Antenna 3 dB Beamwidth
Diameter
30 cm/12"
60 cm/24"
90 cm/36"
120 cm/48"
30 cm/12"
60 cm/24"
90 cm/36"
120 cm/48"
Steel Pipe
Nominal Outside Diameter
7.5 cm/3 "
10 cm/4"
7.5 cm/3"
10 cm/4"
10 cm/4"
10 cm/4"
10 cm/4"
11.5 cm/4.5"
Antenna Mounting and Tower Specifications
Maximum Twist and Sway
(degrees)
3
2
1.3
1
2.7
1.7
1.1
0.8
Max. Distance Above Last Rigid
Attachment Point
90 cm/36"
120 cm/48"
75 cm/30"
90 cm/36"
75 cm/30"
(tower mount recommended)
(tower mount recommended)
(tower mount recommended)
Wireless Ethernet Product User Manual – Volume 1
(degrees)
+/- 1.5
+/-1
+/- 0.65
+/- 0.5
+/- 1.35
+/- 0.85
+/- 0.55
+/- 0.4
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