28-Port Gigabit Stackable Managed Ethernet Fiber Switch with 10GbE Uplinks (DGS-1530-28S) | 24 x 1GbE SFP Ports+ 4x 10GbE SFP+ Ports, L3 Lite, Rackmount, Follows NDAA/TAA

This device supports 24 Gigabit SFP ports for downlink, 4 10G SFP+ ports for uplink, and includes 6kV surge protection. It allows physical stacking of up to 9 switches, supports redundant power supply, ZTP, ERPS, and IEEE 802.1ag and ITU-T Y.1731 standards.

• The description claims support for 6kV surge protection.
• The description claims support for physical stacking of up to 9 switches.
• The description claims support for redundant power supply.
• The description claims support for ZTP, ERPS, and IEEE 802.1ag and ITU-T Y.1731 standards.