Chapter 5: Installation Mount the ODU, LPU and surge suppressor
Page 19
Protection requirements for a mast or tower installation
If the ODU is to be mounted on a metal tower or mast, then in addition to the general protection
requirements (above), the following requirements must be observed:
• The equipment must be lower than the top of the tower or its lightning air terminal.
• The metal tower or mast must be correctly grounded.
Schematic examples of mast or tower installations are shown in Figure 81.
Figure 81 Grounding and lightning protection on mast or tower
External
ground bar
Ground ring
Outdoor CAT5e cable
Power
supply
Equipment building
Network
switch
AP/BHM
Ground Cable
Tower/building ground system
Cat5e cable
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