- Convenient control and annunciation: A purpose-built master controller that puts you in charge of up to 12,000 network points.
- Emergency voice communication: Add voice communication easily to enhance safety and emergency response.
- Future-proof design: Simplex control units can be easily upgraded to the latest technology.
- Easy-to-use operator interface: The NDU features a 2 x 40-character LCD. An optional color touch screen display makes accessing system reports and responding to emergencies simple and intuitive. An easy-to-use, color touch screen interface is also available.
- Network data, audio, and firefighter telephones: Connect 4100ES, NDUs, and other Simplex control units together – and to the TrueSite Workstation graphical management console -using ES Net.