Bosch ARD-AYH12 Installation Manual

16 en | Installation Manual ARD-AYH12| V 1.4 | 2010.04 Installation manual Bosch Access Systems GmbH4. If the tamper output is being utilized, connect the purplewire to the correct input on the controller.5. Trim and cover all conductors that are not used.The table below shows how you should wire the reader to thecontroller.Cable Notes:1. The individual wires coming out of the reader are colorcoded according to the recommended Wiegand standard.2. When using a separate power supply for the reader, thissupply and the controller's power supply must have acommon ground.3. The cable shield wire on the reader should be attached toan earth ground (best) or signal ground connection at thepanel or power supply end of the cable. This configurationis best for shielding the reader cable from externalinterference.1.3 OPERATION INSTRUCTIONSThe reader should be tested after wiring it to a power supplyand the controller.Do this by performing the following steps:1. Power up the reader. The LED and beeper will activatethree times. This indicates that the reader is workingproperly.Color Wiegand OutputRed DC + InputBlack GroundWhite Data 1Green Data 0Brown LED ControlPurple Tamper