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Above Ground Detectors
Above-ground detectors provide detection for pedestrians and vehicles. The power and detector
connections, for the detector, are normally taken from the PL2 interface on the RAG node,
allocated as per the Plus
+
design layout.
Figure 50 – Above-Ground Detector Connections
RAG Node Connection (PL2)
Detection (yellow or blue)
1,2,or 3 IN1, IN2 or IN3 (XXX)
18
If appropriate, the Detector may also be connected to adjacent (nearby) Nearside Units. These
detector connections can use the terminal block on the back of the PTB bracket. Armoured street
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