SPX SPIDAR NIC-500s Operation Manual page 19

The sections below explain the antenna cable connections for each type of NIC-500.
3.1.1 NIC-500N
Up to two Noggin systems can be plugged into the Noggin ports on a single NIC-500. The ports
are numbered '1' and '2'. If you are running one Noggin, plug it into Port '1' on the NIC-500.
Plug the 37-pin Noggin cable into the Noggin port, and the other end into the Noggin device
(Figure 3-5). See Section
NOTE: Do not connect the Noggin cable power connection to a power supply in Figure
3-5
Figure 3-3: Plugging in cables to a NIC-500
Figure 3-4: Connecting a GPS receiver to the serial port
8.1 on compatibility.
11
Getting Started