1) Installation: support desktop or rack mounting, convenient for maintenance and management;
(2) Wiring: separated structural design, a single host can access no less than 5 HD visual intercom panels;
3) audio output: with at least 1 channel 15W power output, can be connected to passive speakers or ceiling speakers;
(4) Local Emergency Broadcast: 4) Local Emergency Broadcast: with emergency broadcast setting function, it can receive local emergency broadcast initiated by visual intercom panel;
5）Panel Priority: 5) Panel Priority: support for setting panel priority, staff in emergency situations, panel priority can interrupt other panel tasks;
6) Alarm input and output: there should be 2-way alarm input and 2-way alarm output, which can receive control signals from external devices and control external devices for linkage control;
7) 7) Remote management: the system should have remote management function, which can remotely configure relevant parameters for maintenance and support remote online upgrade;
8) Expansion interface: with a local USB interface, which can be used for local mandatory upgrade operations;
9) network communication protocol: tcp, udp, arp, icmp, igmp, http, ftp;
10) Audio coding: mp2/mp3/pcm/adpcm;
11) audio sampling, bit rate: 8kHz-44.1kHz, 16bit, 8kbps-320kbps
12) Interface: 1 RJ45 interface, support 10/100Mbps transmission rate, not less than 5 panel interfaces;
13) Operating temperature and humidity: 0℃～50℃, ≤90%RH (no condensation).
1) Installation: support desktop or rack mounting, convenient for maintenance and management;
(2) Wiring: separated structural design, a single host can access no less than 5 HD visual intercom panels;
3) audio output: with at least 1 channel 15W power output, can be connected to passive speakers or ceiling speakers;
(4) Local Emergency Broadcast: 4) Local Emergency Broadcast: with emergency broadcast setting function, it can receive local emergency broadcast initiated by visual intercom panel;
5）Panel Priority: 5) Panel Priority: support for setting panel priority, staff in emergency situations, panel priority can interrupt other panel tasks;
6) Alarm input and output: there should be 2-way alarm input and 2-way alarm output, which can receive control signals from external devices and control external devices for linkage control;
7) 7) Remote management: the system should have remote management function, which can remotely configure relevant parameters for maintenance and support remote online upgrade;
8) Expansion interface: with a local USB interface, which can be used for local mandatory upgrade operations;
9) network communication protocol: tcp, udp, arp, icmp, igmp, http, ftp;
10) Audio coding: mp2/mp3/pcm/adpcm;
11) audio sampling, bit rate: 8kHz-44.1kHz, 16bit, 8kbps-320kbps
12) Interface: 1 RJ45 interface, support 10/100Mbps transmission rate, not less than 5 panel interfaces;
13) Operating temperature and humidity: 0℃～50℃, ≤90%RH (no condensation).
