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PES1900NR Operations Manual
Chapter 3. Mounting the Antennas — 33
Lightning Protection
Peninsula Engineering Solutions strongly recommends installing lightning arrestors on all feeder
cables to the repeater. A direct lightning strike can damage any electronic equipment. Damage
resulting from a lightning strike is not covered under the equipment warranty, whether or not lightning
arrestors are used. However, using lightning arrestors can minimize the risk of damaging a repeater,
and of losing equipment operation during thunderstorms.
Use lightning arrestors that attach directly to the large-diameter feeder cables, and not to the repeater
itself. Do not use screw-on lightning arrestors, because they attach to the repeater’s antenna
terminals. Shunt the lightning to ground, as far away from the repeater as possible.
Peninsula Engineering Solutions further recommends installing PCX (1900 MHz) PolyPhaser (or
equivalent), micro lightning protection, which attaches directly to the type-N connectors of the
repeater (see Figure 9). After the PolyPhaser is attached, waterproof both the arrestor and connector
with Vapor Wrap and electrical tape.
Figure 3 PSX PolyPhaser, for Lightning Protection
Figure 4 shows a typical repeater installation, using coaxial lightning arrestors on the feeder lines. For
safety and operational dependability, Peninsula Engineering Solutions also recommends attaching all
antennas to the repeater site’s single point ground.