Motorola PTP 400 Series Manual De Usuario

 

 

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13.9 Additional 

Lightning 

Protection 

The following guidelines should be applied in addition to those described in Section 11 

”Lightning Protection”. 

13.9.1  ODU Mounted Outdoors 

Where the ODU is mounted outdoors and is mounted some distance from the antenna it is 

advisable to add additional grounding by utilizing Andrew Assemblies (such as Andrew Type 

223158 

) as shown in Figure 91. 

 

Connectorized ODU

Antenna Cable 

Antenna Cable

Antenna Cable 

Grounded to 

tower 

Antenna Cables 

Grounded to tower

Antenna Cable 

Grounded to 

tower 

Antenna cables should be grounded 

within 0.3 metres (1 foot) of the ODU 

and Antennas using the Andrew 

Grounding Assembly