HP J8693A Procurve 3500yl-48G-PWR Switch 48 Gigabit port 1U PoE + 4x SFP Ports
Part Number J8693A. The 5400zl series includes 6-slot and 12-slot chassis and associated zl modules and bundles and the 3500yl series includes 24-port and 48-port stackables. Generation 3500yl-48G-PoE.