48 10/100/1000BASE-T auto-sensing Gigabit Ethernet switching ports w/ 4 SFP combo uplink ports. USED SWITCH. Supports Spanning Tree (IEEE 802.1D) and Rapid Spanning Tree (IEEE 802.1w) with Fast Link Support; Multiple spanning trees (IEEE 802.1s); and Virtual Redundant Routing Protocol (VRRP).
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