This device is used but seems to function correctly. Texas Values provides a free 2-year warranty. The photos depict what you are buying and what you will receive. No manual or paperwork is included. The power supply is brand new.The Calix GigaPoint GP 1101X Fiber Optic Cable is a high-speed, reliable network device designed for enterprise networking. With a maximum data rate of 10 Gbps, this switch module offers fast and efficient data transmission. Manufactured by Calix and backed by a 2-year warranty, this unit is a single Ethernet (RJ-45) connection that ensures seamless integration into your network setup. Made in Vietnam, the Calix GigaPoint GP 1101X is a top-quality product that meets the needs of modern networking demands.