The RDAO-3 is 3 port, Weigand reader distribution amplifier with optically isolated inputs and outputs for access control systems. All three ports are optically isolated from one another which prevents ground loop caused data corruption issues. The RDAO-3 Monitors the LED outputs of the access control panels and outputs an LED indication of “access granted or denied”.

Includes:

• RDAO-1 Optically isolated Wiegand reader distribution amplifier board
• Installation instructions

Features:

• Buffered reader data outputs with separate line drivers.
• Optically isolated inputs and outputs prevent ground loops.
• Selectable reader power sources: local 12v, Panel 1, 2 or 3.
• Selectable reader voltage 5 or 12v
• Selectable board earth grounding.
• 2 LED input and output channels.
• Power: 12VDC @ 20mA.
• Selectable 12v or 5v for reader power
• Reverse polarity protected
• Dimensions: W 3.00 x 4.10