Cisco CX-FEIP-1TX= Installation and con?guration Guide de l'utilisateur Page 125

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PTP 800 Series User Guide Grounding and lightning protection
phn-2513_004v000 (Oct 2012)
2-13
Figure 44 Grounding and lightning protection on mast or tower (protected end)
Protection requirements for the ODU on a high rise building
Applies to ODU deployments only.
If the antenna or ODU is mounted on a high rise building, with cable entry at roof level
(Figure 45) and the equipment inside (Figure 46), then ensure that the installation meets
the following requirements:
The antenna and ODU are below the lightning terminals and finials.
A grounding conductor is installed around the roof perimeter, to form the main roof
perimeter lightning protection ring.
Air terminals are installed along the length of the main roof perimeter lightning
protection ring typically every 6.1m (20ft).
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