User's Manual

Wiring Instructions
AY-R6255 Installation and Operation 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