Additional technical information: Housing type: Mountable onto rack 1UPerformance: Non-blocking bandwidth: 88 Gbps; switching capacity: 176 Gbps; forwarding rate: 130.944 MppsAuthentication Method: RADIUSFeatures: Link aggregation, inter-VLAN routing, DHCP server, 16KV ESD Protector (air gap discharge), 12KV ESD Protector (contact discharge), without fans, DPI, Jumbo frame support, storm control, 802.1x authentication, Auto Uplink (Auto MDI/MDI-X), GVRP, Port Mirroring, Aggregation mode, Flow ControlCertified IEEE 802.1xDisplay: 1.3" touch-screen displayStatus indicator: Link/activity/speed, link/activity; Ambient temperature (max.): -5 °C; Current consumption: AC 120/230 V/DC 11.5 V (50/60 HZ); Factory colour: Metal; Interfaces (PC/multimedia): RJ45, SFP+; LAN transfer rate: 10 MBit/s, 100 MBit/s, 1000 MBit/s, 10000 MBit/s; Min. ambient temperature: +45 °C; No. of 10/100/1000 Mbps ports: 48 x; No. of SFP+ ports: 4 x; Port (titles only): 48 + 4 ports; Port type: 48 x 1000Base-T RJ-45