※ high-grade aluminum 2U black drawing panel, nice; ※ 16 network alarm input, a signal input, the corresponding channel indicator light; ※ 4-channel network alarm output, low-level closed signal, easy to control other equipment; ※ use a fixed static IP address, when the network changes when the address will not be lost, stable; ※ alarm signal priority, automatic insertion; ※ with RH-AUDIO digital network audio system used, the number of fire random expansion; ※ According to the different locations of different police sources set the corresponding alarm ring tones, so that the disaster clear and clear; ※ support 15KVESD protection, built-in network isolation lightning protection circuit; ※ 1 PC download IP address serial port, used to modify the network decoding module IP address; ※ using embedded computer technology and DSP audio processing technology design; ※ use high-speed industrial-grade chip, start time is less than 1 second; ※ Equipment power supply using switching power supply design, AC100 ~ 240V voltage can work properly;