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Cellular Backup Network for Security Systems

業種 ビル・オートメーションおよびセキュリティ
関連製品 OnCell G3110/G3150
概要 Security and communications systems combine voice, data and video within a structured system that often includes access control. Learn about how Moxa's cellular IP modems can provide network redundancy for such mission-critical applications.
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プロジェクト紹介


Background
Security and communications systems combine voice, data and video within a structured system that often includes access control. Access control identifies users and limits their access according to defined authorization rules. Technologies employed in these applications include facial recognition, card readers, keypads and computer-activated locks, door panels, and more. Telephone entry control, plastic identification (ID) cards, video ID equipment, radio frequency identification (RFID) tags, and fingerprint recognition technologies are also available for use with building security and communications systems. Due to the mission-critical nature of these applications, network redundancy is essential in case the primary network fails or is disabled by an intruder.

 

Application Requirements
‧Integration with the building's existing Ethernet network for secured access and central monitoring
‧Network redundancy to backup the security system in case the Ethernet network goes down

 

Solution Description
Moxa's solution used the building's existing Ethernet network as the primary backbone and a cellular network for the backup solution. The OnCell 3100 series IP modem was used to develop the cellular network. A reliable backup system is extremely crucial because if the Ethernet network goes down and the security monitoring company is not instantly notified of the disruption, a robbery can occur during the interval. Therefore, power redundancy is also an important requirement for this project. Moreover, the OnCell 3100 series IP modem provides a relay function that includes 2 digital inputs and an alarm contact.

 

System Diagram

 

Benefits
‧The serial detection devices can send data over a primary Ethernet network and a backup cellular network
‧Cellular connectivity for simple sensor devices
‧One relay can turn on the alarm and send the warning message via the cellular network


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