Wiring Instructions
AY-R12 Installation Manual
11
4.
Trim and cover all unused conductors.
•
The individual wires from the reader are color-coded according the
Wiegand standard.
•
When using a separate power supply for the reader, this supply and
that of the controller, must have a common ground.
•
The reader’s cable shield wire should preferably be attached to an
earth ground, or a signal ground connection at the panel, or power
supply end of he cable. This configuration is best fro shielding the
Reader cable from external interference
