Notification Line Control Module NCU for Reliable Alarm Monitoring

The NCU is a component of the central equipment of wired loudspeaker communication and is designed to control ground fault and short circuit, as well as to monitor the resistance and breakage of the loudspeaker line. To fulfil all the functions of the product, it is recommended to connect at least one NCU-REL relay module to the NCU. Depending on the number of connected NCU-REL relay modules RMLT.465232.001, up to 32 loudspeaker lines can be monitored. The maximum number of NCU-REL relay modules connected to NCU is 8 pcs.