The Adtran Netvanta 1531P Managed Gigabit Ethernet Switch 1700571F1 is a fully managed switch designed for high-speed network connectivity. With Gigabit Ethernet technology and a maximum data transfer rate of 1 Gbps, this switch ensures fast and reliable network access. It features 8 LAN ports and a variety of interfaces including serial console, Ethernet (RJ-45), and SFP optical. This unit can be rack mounted or used standalone, making it versatile for various networking setups. The ADTRAN brand and NetVanta product line guarantee quality and performance in enterprise networking scenarios. Tested and found to be in good working condition. Unit has superficial scratches but only cosmetics. Works good!