Model 4821/4820 Control/Communicator Installation Manual
3-8 150963
3.2.4 Wiring the 4330, 4340 and 4350 ProximityReaders
Wire the Proximity Reader to the 4421 Door Access Module as shown in Figure 3-6. The card
reader LED is on when the door relay is activated. The LED is off when the relay is deacti-
vated or there is no power. (The 4421 LED has the same meaning.)
Figure 3-6 Model 4330, 4340 and 4350 Connection
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