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IP Split-Type Audio Intercom Controller

IP Split-Type Audio Intercom Controller

Ensuring Efficient Communication and Security.
 Split-type Design
 Recording Output
 SD Card Playback
 Amplification Option
 Multiple Endpoint Connection
Product Key Feature
1. Split-Type Design:
The NAS-8521A showcases a unique terminal + panel split design. This design ensures that the ethernet cable is not exposed in user areas, enhancing the internal network information security of banks.
2. Multiple Endpoint Connection:  
A single Controller can drive up to 16 IP endpoints. Panels can be connected using a daisy chain, extending up to 300 meters in total length. This feature is particularly useful for banks with multiple ATMs, as it facilitates calls from nearby machines.
3. Advanced Terminal Functions:
A) Recording Output: The terminal comes equipped with a recording output port which can be used to connect to a hard disk recorder for audio recording. Additionally, it supports two alarm inputs and two alarm outputs for enhanced security.

B) SD Card Playback: The terminal supports playback from an SD card. This allows it to play audio files (for example, reminders for users about secure cash withdrawals) when triggered either locally or remotely. The content of the SD card can also be updated remotely.

C) Amplification Option: There's an option to pair the terminal with a 2x10W digital amplifier module. This can be connected to external speakers to amplify background music or announcements.
4. Applications: 
NAS-8521A is designed for banking environments, especially in areas with multiple ATMs or where secure and efficient communication is paramount. Whether it's ensuring that customers are reminded of safety precautions during transactions or seamlessly integrating with security systems, NAS-8521A stands out as a versatile and reliable choice.
Product Specifications
Power Supply & Consumption DC12V/2A, ≤23W
Network Communication Protocol TCP/IP, UDP, ARP, ICMP, IGMP, HTTP
Network Chip Rate 10/100Mbps
Audio Sampling & Bitrate 8kHz~44.1kHz, 16bit, 8kbps-320kbps
Interface 1x RJ45, 1x Panel Port, 1x Audio Output, 1x Recording Output, 2x Alarm Input, 2x Alarm Output, 2x Line Output, SD Card Slot, Intercom Panel Interface, Reset Interface
Operating Temperature & Humidity 0℃~50℃, ≤90%RH (non-frosting)
Dimensions & Weight NAS-8521A: 210x155x45mm, 0.5kg
Does it support POE power supply system according to IEEE802.3af standard?
Yes, it supports POE power supply.
Is there VDO decode capability of 720p@30fps with H.264 compression?
It only supports to be selected the video resolution to VGA/720p/1080p on its webpage.
Is there a function to reduce Noise Elimination?
 The IP paging mic is built with the Noise reduction algorithm.
Can it work in cases where the server has network problems?
The IP paging mic supports offline calling without server software.
Support recording all incoming and outgoing call information. Including calls that have missed calls?
Yes, it supports
What should I do if other SPON® IP audio devices cannot be identified by the built-in web server of SPON® IP paging console?
  • 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.

Which Audio Formats are supported by SPON IP public address system? How much bandwidth is used?
  • 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

Practical features of the IP PA system when applied to highways?
  • 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.

Where can digital IP public address systems be applied?
  • 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.

How does SPON's IP public address system set itself apart from traditional PA systems?
  • 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.