Campbell Scientific RF400/RF410/RF415 Spread Spectrum Radio/Modem - Manual (Page 28)

RF400 Series Spread Spectrum Data Radio/Modems
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• When use of COAX RPSMA would result in too much signal loss (see
page H-3)
• When the RF400 series radio will be used in an environment susceptible to
lightning or electro-static buildup
4.5.3 Antenna Surge Protector Kit
The Surge Protector Kit for the RF400 series radios includes the following:
• Polyphaser protector
• 18 inches of COAX RPSMA to connect ‘tail end’ of surge protector to
RF400
• Ground wire lead
• Screw and grommet to secure ground wire and polyphaser to backplate of
enclosure
The surge protector has female type N connectors on both ends; one for
connection to the COAX NTN-L cable and the other for connection to the 18
inch length of COAX RPSMA cable included in the kit. The COAX RPSMA
cable is an LMR195 type that terminates in a type N Male connector on the
‘antenna end’ and a Reverse Polarity SMA (RPSMA) connector on the RF400
end.
FIGURE 7. Enclosure with Antenna Surge Protector for RF400