The CIENA 3903x 170-3903-910 Service Delivery Demarcation Switch with Power Supply is a fully managed Ethernet switch designed for enterprise networking. With a maximum data transfer rate of 1 Gbps and support for Gigabit Ethernet technology, this switch is equipped with three LAN ports and also features SFP interface capabilities. Designed by Ciena, this switch is ideal for networking professionals looking for a reliable and high-performing solution for their network management needs.