SPX SPIDAR NIC-500s Operation Manual page 22

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connect the Ethernet cable from the Ethernet port of one NIC-500 to the Ethernet port of
the other NIC-500; it doesn't matter which Ethernet port is used.
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connect the NIC Sync cable from the Link Out of the Master NIC-500 to the Link In of the
subordinate NIC-500. If more NIC-500s are added, continue connecting Sync cables
from Link Out of the previous NIC-500 to the Link In port of the newly added NIC-500
These connections are shown in Figure 3-8.
Connect appropriate antenna cables to the antenna ports, as described in the previous sections.
Once all connections, move on to
3.3 GPS (optional)
A GPS can be connected to any NIC-500 to provide georeferenced data. Most GPS receivers
with a standard thread can be screwed onto the top of the GPS mount (5/8-11 UNC-1A thread).
Sensors & Software sells different mounts depending on the type of platform used.
If the GPS was purchased from Sensors & Software, a single cable was provided that connects
the GPS to the NIC-500; this cable supplies power to the GPS and sends data from the GPS to
the NIC-500. Connect one end of the GPS cable to the GPS receiver, and the other end to the
Figure 3-8: Daisy-chaining two NIC-500s
Powering up in Section 3.4.
14
Getting Started