The Digital Conference System Central Unit offers advanced features, including ring network digital transmission and daisy-chain cascading, accommodating up to 2 independent ring networks for diverse networking needs. With 48K Hz audio sampling and < 10ms transmission delay, it ensures high-quality audio regardless of cable length. Individual adjustments for each speaking unit's audio parameters, name, role, and PTZ camera presets enhance customization. Wireless access via devices like PCs and smartphones allows real-time adjustments through web interfaces. Supporting various camera communication protocols, RS232 control interface, and USB recording, it delivers versatile functionality for seamless conferences.
| Parameter | Value |
|---|---|
| Power Supply | AC110V-220V/50Hz |
| Power Consumption | ≤10W (microphone not connected) |
| Network Communication Protocols | TCP/IP, UDP, ARP, ICMP, IGMP, HTTP |
| Network Chip Rate | 100Mbps |
| Audio Encoding Formats | MP3/PCM/ADPCM |
| Audio Sampling, Bit Rate | 8KHz-44.1KHz, 16-bit, 8Kbps-320Kbps |
| Signal-to-Noise Ratio, Frequency Response | >83dB, 40Hz-18KHz |
| Display | 4.3-inch touchscreen color LCD |
| Resolution | 480*272 |
| Interfaces | RJ45 network port1, USB port1, balanced Phoenix output1, XLR balanced output1, RCA stereo line output1, ring network output2, RS232 serial port output1, RS85 communication interface1 |
| Operating Temperature | 0-45°C |
| Humidity | ≤90% (non-condensing) |
| Product Dimensions (W x D x H) | 483 x 204 x 589mm |
Please check if the communication protocol of other SPON® IP audio devices has been set to NAS protocol, since the built-in web server can only identify other devices via NAS protocol.
The audio formats of IP Public Address are: MP2, MP3, AAC, etc. (MP2 and AAC are the standard designated audio formats of national DAB )
Compare of used Bandwidth: MP2: 256K-512K MP3: 64K-128K
Background Music and Announcements: The system can play music, Emergency Broadcasting.
Situation Reports: It can announce daily activity schedules, provide key points about significant events, and give updates about essential convoys passing through.
Emergency Interjections: The system can be used to urgently intercept vehicles violating rules, grant access to special vehicles, and command on-site order during chaotic situations.
Emergency Paging: If a toll booth encounters an unexpected situation, operators can use a one-touch emergency call to the control center or neighboring toll stations for immediate assistance.
Schools, especially those equipped with campus networks.
Highway Toll Stations
Chain Supermarkets
Large Enterprise.
Office Buildings and Skyscrapers.
Rural Connectivity Projects.
Any location with network connectivity can benefit from the IP public address system.
High Audio Quality: The system offers pristine fidelity through its full digitalization, utilizing CD-like quality data file formats, which are perfectly consistent with computer output.
Personalization: Built on an Internet protocol, each audio endpoint can freely choose any channel for playback, with adjustable progress, allowing for point-to-point personalized programming.
Network Integration: From teachers' courseware production and arrangement to speeches and scheduled program broadcasts, everything can be operated remotely over the network.
Remote Functionality: The system supports remote broadcasting across different cities and even countries. As long as there's an internet connection, broadcasting can be initiated.
