Neptune 13458-000, Installation And Maintenance Manual

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Items Description/Recommendation
Securing Coax Cable
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Cable clips/coax hangers - for 1/2 inch or 7/8 inch
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UV-Stable cable ties 8 inch - 12 inch (20.32 cm-
30.48 cm)
Weatherzing Kit
Pick one of the following:
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PolyPhasor P/N: WK-1
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Times Microwave P/N: WK-S-2
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Andrews P/N: 245171
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Scotch P/N: WK-101
Additional Weatherizing
Materials
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Scotch
®
Heavy Duty Vinyl 22
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Scotch
®
Super 88 Electrical Tape
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Scotch
®
Super 33+ Electrical Tape
Coax Ground Kits Manufacturer specified for specific cable
Coax Hoisting Grips Manufacturer specified for specific cable
Table 33 – Installation Materials Needed
System Certification
The antenna supplied is specified as having a VSWR of 1.5:1 for
operating frequency. When measuring VSWR, you need to take
into account losses in the feed line. The 1.5:1 VSWR translates
into a Return Loss of 14.0dB. It is recommended that the feed line
be certified as a separate step. This is best performed by
completing the following steps.
1. Put a known amount of power into one end of the cable.
2. Correct the cable losses.
3. Verify the correct amount of power is coming out the other
end with the proper test equipment, such as Frequency
Domain Reflectometry (FDR) or Time Domain Reflectometry
(TDR) cable and antenna testers.
106 R900 Gateway Installation and Maintenance Guide
Appendix C RF Antenna and Coax Installation