The I/O interface module provides an easily accessible interface to Sirit readers’ digital inputs and outputs. 4 digital input + 4 digital output and 8 digital input + 8 digital output versions available. Additionally, customizable to give relay outputs. There is a LED activity indicator for each outputs. Ideal for applications such as alarm and siren, parking barrier, warning lights, visual display, etc. triggering directly from the RFID reader.