... HBUS bus communication technology, with automatic protection function, nonpolarity design, can effectively avoid damage to BUS caused by construction ... the interconnection with our company 's XG100 Graphical monitoring system. 6. With remote control function, can control ... ,XE3112H,XE3122,XE3123, XE3124,XE3125, XE3126Our system diagarm addressable electrical fire alarm system for mostly 512 points