The Microsemi PD-3501G/AC Gigabit PoE Injector is a fully managed Power over Ethernet switch designed for enterprise networking. It features a single Gigabit Ethernet port with a maximum data transfer rate of 1 Gbps, making it ideal for high-speed network connectivity. This blade unit from PowerDsine brand offers two WAN ports and two LAN ports, all with Ethernet interfaces. With its Layer 1 capability and RAID levels of 1+0, this Ethernet switch is a reliable choice for businesses looking for efficient network management and data transfer.