POE21-120H

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Power over Ethernet (PoE) is an emerging technology that enables data transmission and power transmission over a single cable. The POE21-120H PoE switch is one technology that takes advantage of this technology. This article will discuss the application field and working principle of the POE21-120H.

The POE21-120H is a 4 port PoE switch with a total power budget of 120 watts. This switch is designed for use with networks that have both PoE and non-PoE devices. It is ideal for applications such as IP Surveillance, VoIP, and industrial automation. It supports both IEEE 802.3af and IEEE 802.3at standards, allowing it to provide up to 30 watts of power for each port. The switch also has two SFP ports for fiber connectivity and two additional non-PoE ports for network extension.

The POE21-120H also features a wide temperature range of -25 to 55℃, making it suitable for use in extreme environments. Additionally, it is constructed with a metal casing for optimal heat dissipation. This makes it a durable and reliable option for a variety of applications.

The working principle of the POE21-120H is quite simple. The switch is connected to a power source, such as a wall outlet, and then connected to the network. Once the switch is connected, the power and data are transmitted over the same cable. The switch will receive the power and, in turn, pass it on to the connected devices. The power is then used to power the connected devices.

The POE21-120H has two advantages over other PoE switches. First, it is cost-effective. Since it uses only one cable for both power and data transmission, it eliminates the need for additional cabling and reduces the overall cost of installation. Additionally, it has higher power output than other PoE switches, making it ideal for use in applications that require higher power.

The POE21-120H is an innovative PoE switch that offers an efficient and cost-effective solution for use in both power and data transmission applications. It is easy to install and use, making it suitable for a wide range of environments, from enterprise networks to industrial automation. Furthermore, its wide temperature range and durable construction make it a reliable and long-lasting solution.

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