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Section 1

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Connecting radar sensor

Image Added Connections to radar sensor

Each radar sensor requires a power and a data connection. Both are made using military specification connectors to ensure link integrity. The power and data connections run from the sensor to a conveniently placed junction box (e.g.at the base of the post) where the power supply is situated. See Figure 12. 
 
 
 
IMPORTANT: Failure to correctly fit the shroud can invalidate the warranty on sensors that have been caused to fail through water ingress.Supplied with each radar sensor are a power cable with a mil-spec connector for the sensor connection and a bare end at the junction box connection. A mil spec shroud is also supplied for use with a suitable environmentally protected Ethernet network connection. It is essential that the supplied shroud is correctly used to ensure that the data connection is water tight.

  1. Attach 24vDC connection to the radar.

Image Added
h7. Figure 13Connecting radar sensor

  1. Ensure the Power and Ethernet cables are securely connected into junction box.

 

  1. Ensure the junction box has the Navtech supplied 24vDC power supply installed. (The power supply unit has a peak current capacity of 4 Amps, though typically the radar draws a continuous 1 Amp). See.[8].
  2. Ensure that the Power supply cabling is correctly terminated at the radar end with a secure Amphenol MIL spec connector. Pin D (Red or Brown) is 24vDC, Pin J (Blue or Black) is 0V.

IMPORTANT: To prevent floating voltage levels on the low output of the radar sensor power supply unit, link the 0v output to earth.

  1. IMPORTANT: When connecting data and power cables to radars in harsh or corrosive environments Navtech recommends the use of Chesterton 740 as a product to protect the military specification connectors from corrosion. This is a recommended best practice. Failure to apply the product could mean extra field time for engineers and the costs that this will incur. SEE: Error! Reference source not found.Ensure the junction box has an Ethernet cable running to the infrastructure network switch.