Network Management Type: Managed Jumbo Frames: 9216 bytes Ports: 48 x 10/100/1000BASE-T PoE with auto-speed and auto-polarity 4 x SFP (shared PHY with 4 10/100/1000BASE-T ports) 1 x Serial (control port) 1 x 10/100BASE-T out-of-band management port MAC Address Table: 8K PoE: Yes Stackable: Yes SNMP: Yes QoS: Yes