2119581-1

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Introduction
2119581-1 is a type of electrical product, containing a special hub and two lenses. It is mainly used for bridge applications and related applications, such as PCS/Ethernet/Tower/Antenna. In addition, its industrial automation can be used in factory automation, IT, and other domains. This application has a wide range of applications, and the specific application field and working principle of 2119581-1 will be described in this article.

Application Field
The 2119581-1 application can be used in many different fields, from industrial, commercial, and residential applications to automatic control applications. The 2119581-1 hub is designed to support PoE (Power over Ethernet) applications, which enables the combination of two separate components into one using the same Ethernet plug. This allows for easy and low-cost power supply for devices such as security cameras, telephones, point of sale devices, and many other devices. The PoE ports of the hub are designed to provide consistent and reliable power delivery, ensuring all the connected devices have sufficient power supply.

In addition, 2119581-1 can also be used for building network hubs. With two SFP modules and two RJ45 ports, the 2119581-1 hub allows for connection to devices on separate branch lines, making it easier to link different networks without the need for multiple connections. This saves cost and time when building an interconnected system. Another advantage of using the 2119581-1 is the Wireless Local Area Network (WLAN) capability, which enables wireless communication between the devices across different networks. Furthermore, the hub also features a USB connection for easy file transfer between different networks.

Working Principle
The 2119581-1 hub works by utilizing the power-over-Ethernet (PoE) standard. The PoE standard was developed to allow for the transfer of data and power on the same Ethernet cable. The hub works by receiving PoE data from a power source and converting it to a standard DC voltage that is suitable for the connected devices. The PoE data is first received via an Ethernet connector on the hub, which is then processed by a built-in microcontroller. The microcontroller is responsible for decoding the data and accurately routing the power to the desired devices. The PoE data can also be adjusted to increase or decrease the power going to different devices, as needed.

The Microcontroller also monitors the temperature of the hub, ensuring that it does not exceed its predetermined threshold. This helps ensure the safety of the devices connected to the hub, preventing it from becoming too hot and damaging the connected equipment. In addition, the hub also contains protective circuitry to ensure that any power surges do not damage the connected devices.

Conclusion
The 2119581-1 application field and working principle has a wide range of applications, from industrial to commercial and residential. With the SFP modules and two RJ45 ports, the 2119581-1 allows for easy connection to devices across different branches, saving time and money when setting up a network. With the power-over-Ethernet (PoE) capability and the built-in microcontroller, the hub also provides a reliable and consistent power supply to the connected devices, ensuring that all the connected equipment receives adequate power.

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