This unit is tested to be working. It may need the be reset on arrival. This router comes with the power adapter. The Ubiquiti ER-X-SFP EdgeRouter X SFP Advanced Gigabit Router is a fully managed router designed for enterprise networking. With wired-Ethernet (RJ-45) network connectivity and a 1-year manufacturer warranty, this unit offers reliable and high-performance networking capabilities. The ER-X-SFP model includes Ethernet (RJ-45) and SFP interfaces, making it a versatile choice for businesses looking to enhance their network infrastructure with advanced routing features.