# Stacklight

The Stacklight provides long distance visual communication from the controller to the operator. In addition to the lights, the accessory can be equipped with a button, key switch, buzzer and I/O connections.

The Stacklight is connected to the controller using the I/O bus. Multiple accessories can be connected on the I/O bus. Read the Stacklight documentation for address configuration and specifications of the connections.

How to assign an accessory configuration to a Virtual Station is described under the Virtual Station icon .