16-Port Gig Smart Stack Switch

D-Link DGS-1530-20 16 x 1G RJ45 + 4x10G SFP + stackable smart switch, 6kV surge protection. Physical stacking up to 9 switches. Support Redundant Power Supply (RPS). ZTP (Zero-Touch Provisioning). Ethernet Ring Protection Switching (ERPS). Manage through the Nuclias Network Controller