Descripción
https://www.serior.com/modulo-adaptador-para-interfaces-smart485-in

Adapter module for standard interfaces. Smart485-IN
Smart485-IN. Direct connection module to the BUS RS485 of the INIM plants.
The system processes the data in the same way that it processes the data of a repeater.
This interface incorporates an input/output connector that receives and transmits signals to/from standard fire control boxes.