RCF Monitored Logic Input Board
SI 7120
MONITORED GPI BOARD
• Line open or sherted fault detection
• Red LED signal
• Up to 2 devices connected to each MU 7100EN
FEATURES
• Line open or sherted fault detection
• Red LED signal
• Up to 2 devices connected to each MU 7100EN
SI 7120 is an additional board for the DXT 7000 Voice Alarm system. It can monitor the integrity of 2 speakers lines coming from master unit. In case of line open or shorted, it activates the related command.