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SECTION TWO: Installing and wiring the radar
Radar power control
Important: Blue and Green wires from the radar control box are for power control and
must be wired according to one of the options shown below.
Electrical power for the radar is controlled by the blue and green wires in the power control cable.
When these wires are connected to each other, the radar powers up and enters standby mode. When
they are not connected, the radar is turned off (although it still draws a tiny amount of power).
Connect the blue and green wires in any one of the following ways:
• Option 1: Connect the blue and green wires to an S.P.S.T switch as shown in Figure 15 to
control the radar's power An appropriate switch is included with the radar.
• Option 2: Permanently connect the blue and green wires to each other, and control the
radar's power from a switched circuit breaker at the mains circuit panel.
Note: The option of controlling the radar power using the "honk" output of the 972 processor is
not available at present.
Connecting the radar control box to the navigator
The radar control box is connected to the 972 Processor by means of a standard Ethernet cable.
If no other devices are connected to this network, use a "crossover cable. "
If other devices are connected, such as additional control heads, use an Ethernet switch and "straight
cables. "
Wiring the heading sensor
See Table 10 for general heading sensor wiring.
Page 14
Figure 15: Using a switch to control radar power
Ethernet Radar Installation Manual, Rev. A
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