MANUAL P/N 900000165 REV H
2 Site Preparation
2.1 Overview
The NTP80 GPS version is supplied with
The NTP80 unit
GPS/GNSS Antenna
30m RG58 cable
Serial breakout cable (15pin D only)
2.2 Antenna
To prepare the site for the NTP80 installation a suitable antenna location has to be found.
The antenna is a sealed unit. It should be located outside where there is good sky-coverage (e.g.
on a roof) and away from high frequency electrical interference sources. It is highly
recommended to use the fixings supplied and not to make any additional holes for fixing since
this compromises the IP65 rating of the antenna.
The antenna is supplied with 30m of RG58 cable. If longer cable runs are required, it is possible
to use a higher quality cable such as RG213 or RG218.
Type of Cable Maximum Length of Cable
RG58 34m
RG213 72m
RG217 95m
RG218 141m
2.3 Power and Network
The NTP80 requires 90-240V AC @ 50-60Hz for power and has three RJ45 network connections.
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