The JG661A is an HPE OfficeConnect 1920S 24G 2SFP PPoE+ 370W Switch, a 24-port Gigabit Ethernet switch designed for small businesses. It features 2 SFP ports for fiber uplinks and Power over Ethernet Plus (PoE+) capabilities, providing 370W of PoE power for devices like IP phones and wireless access points. This switch offers a reliable and easy-to-manage network solution with robust PoE capabilities.