28 PORT L3 MANAGED POE SWITCH

28-Port 10G Multi-Gigabit Layer 3 Stackable PoE++ Managed Switch with 25G Uplinks - 24 x 100M/1G/2.5G/5G/10GBASE-T 60W PoE++ ports - 4 x 10/25G SFP28 ports - Physical Stacking of up to 9 units with 200Gbps stacking bandwidth Ring or Chain topology - Virtual Stacking with SIM up to 32 units per stack - Switching Capacity 680 Gbps - PoE power budget of 790W (1440 W with dual power supplies) - Supprots two hot-swappable power modules for 1+1 power redundancy and load sharing - 5-speed smart fan design automatically adjusts according to device operating temperature - Redundant power supply (RPS) support - Ethernet Ring Protection Switching (ERPS) - Embedded 6 kV surge protection on all Ethernet ports - IEEE 802.1D/802.1w/802.1s Spanning Tree - Loopback Detection (LBD) - L3 Features including Static Route, RIP/RIPng, OSPFv2/v3 - IEEE 802.3ah Ethernet Link OAM - IEEE 802.1ag/ITU-T Y.1731 Service OAM