Powers on and LED works but power supply makes high pitched noise. The Ubiquiti Networks Switch 48 PoE Ethernet Switch is a high-performance network switch designed for enterprise networking setups. With 48 Gigabit Ethernet ports, this switch provides fast and reliable network connectivity for a large number of devices. Its rack-mountable form factor makes it easy to install in a server room or data center. The switch supports layer 4 networking and also features SFP interfaces for additional connectivity options. With a compact design measuring 1.72 inches in height, 17.42 inches in length, and 11.22 inches in width, this switch is a versatile and efficient networking solution for businesses of any size.
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