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PURPOSE：
For the classrooms and multimedia classrooms communication.
FEATURES：
1. With a high-end brushed aluminum cover and a anti-dust shield on the top of the interfaces; with a all-mounted installation and the starting time is≤1s;
2. 3-inch LCD screen (128x64), 16 metal digit keys on the panel and an infrared remote controller to play the audio file and English material (saved in server);
3. Built-in digital amplifier of Class D and a voice output same as the CD effect; available to receive a bell, broadcast the leader’s speech, English listening;
4. With a microphone on the terminal to enable the main control room to monitor the classroom;
5. To broadcast to the other IP terminals (authorized) and make an full duplex intercom to the main control room;
6. With a standard RJ45 interface supportive of crossing network segment and router, accessible to the system if the Ethernet is available.
7. Options for Constant voltage backup module (model suffix: -CP)
SPECIFICATIONS
NAS-8506B | |
POWER SUPPLY AND CONSUMPTION |
DC12V,≤22W |
NETWORK PROTOCOL |
TCP、UDP、ARP、ICMP、IGMP |
NETWORK CHIP RATE |
10/100Mbps |
AUDIO SAMPLING & BIT RATE |
8kHz～44.1kHz, 16bit 8kbps-320kbps |
S/N |
≥90dB, 20Hz-16KHz |
NETWORK DELAY |
Broadcast delay≤30ms, Intercom delay≤30ms |
POWER OUTPUT |
2x10W(8Ω) |
INTERFACE |
1RJ-45 port, 1 microphone input ,1 Line input& output & Alarm output,1 Power output, 1 USB port, 1 Constant voltage backup input(optional) |
WORKING TEMP& HUMIDITY |
-10℃～50℃,≤90%RH（Not condensing） |
DIMENSIONS & WEIGHT |
256x186x49mm；1.8kg |
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