MDS 05-2415A01, Rev. A INSTALLATION 2-17
Feedline Installation
It is absolutely essential that the feedline connectors be installed in accordance with the
manufacturers’ instructions for the particular type of connector used. Also, any special
tooling required for mounting the connectors must be used, to ensure maximum mechanical
and electrical reliability. Be careful to check that the finished center pin dimensions are
within specifications to prevent damage to mating connectors when the two are joined.
Connectors that are exposed to outdoor environments must be sealed to prevent moisture
buildup in the connector. In extreme cases, rainwater can get into a connector and fill the
entire feedline with water, creating a high loss cable that will have to be replaced. There are
several good methods for weatherproofing these outside connections; consult the cable or
connector manufacturer for their recommended materials and procedures.
The feedline itself must also be installed carefully to prevent short-term or long-term damage.
Short-term damage can consist of kinking, twisting or excessive elongation of the cable
during installation. Harmful long-term effects could be due to improper connector sealing, a
bend that is too tight, insufficient strain relief on the cable when mounted on the tower, or
excessive flexing and vibration due to wind.
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