Proper polarity must be observed when wiring the End of Line (EOL) resistor to an onboard point on a compatible control panel. The EOL resistor must be wired in series on the TRBL PT + terminal.
The compatible control panels are listed as follows: Easy Series, D2212, D2212B, D2212BE, D2812, D4412, D6412, DS7220, DS7240.
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