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Figure 10 RSU Showing Ground Point
2.1.5 Installing the Lightning Surge Arrestors
In the event of a lightning strike, the RSU can be protected through the use of a surge arrestor.
A lightning surge arrestor can be installed on the base of the antenna between the antenna and
the RF N-type connector of the RSU enclosure. The arrestor typically contains a fuse device
that triggers during a strike. It should be noted that the surge arrestors have a small amount of
signal loss but may be useful to have especially in areas prone to strikes. If an arrestor is used,
the arrestor must be suitably grounded. Savari defers to the experience and accepted practice
of the Operator with regards to the use of a lightning arrestor.
2.1.6 Installing the Antennas
The StreetWAVE™ accepts two (2) 5.9 GHz N-type DSRC antennas. These can be screwed in
(clockwise) into the antenna connector on the top of the RSU enclosure. If the antennas need
to be located at a height or an area that is different from the RSU, the antennas can be
separately mounted (left to the operator) and a suitable low loss cable can be used to connect
the antennas to the RSU. The antennas can be tightened by hand, a special wrench or tool is
not required, however, please use caution to ensure that the torque is not more than 5 lbs
pound when using the stock antennas.
Savari Inc., Confidential
Copyright © Savari, Inc. 2017
StreetWAVE™SW-1000™ Installation Guide
Grounding Point
12
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