NI 9467 Operating Instructions and Specifications
8
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Note
Altho
u
gh the mod
u
le may not detect the presence
of very low-power GPS antennas, it can still f
u
nction
correctly. Note that the LED and software may report
antenna error
u
nder these conditions, and if the c
u
rrent
cons
u
med is close to the detection threshold the LED
may flicker. Refer to the
Specifications
section for more
details.
Connecting the NI 9467
The NI 9467 has one SMA female connector on its front panel for
a GPS active antenna. The connector provides a DC voltage to
power the antenna and also serves as inp
u
t for the GPS RF signal.
Antenna Installation
Caution
National Instr
u
ments recommends
u
sing a
lightning arrester in line with the GPS antenna
installation to protect the NI 9467 and the C Series
system from possible damage and operators from inj
u
ry
in the event of lightning.
The embedded GPS receiver in the NI 9467 req
u
ires signals from
several satellites to comp
u
te acc
u
rate timing and location. The
