I/O add-on module for the intercom station: adds three inputs as floating contacts and two relay outputs, as well as connection ports for a loudspeaker, microphone, headset and handset; optimised for installation with surface-mount kit WSSH 50V or flush-mount kit WSFB 50V; connects to intercom station via USB cable.

The EB3E2A-AUD expansion module provides an easy way to expand the I/O and audio capabilities of a station. The

expansion module is suitable for any applications where inputs and outputs and additional audio interfaces are required. It has

three inputs, two output relays and ports for direct connection of an external loudspeaker, external microphones and handset.

Line-in and line-out connectors provide additional flexibility. The board can be connected to the station PCB through a USB

cable and is immediately available in the system.