Rack-Mount 23 in. (58.4 cm) EIA: Included Jumbo Frame Support: 10 KB Routing Protocol: Static IPv4 routing Minimum Storage Temperature: -4 F Depth: 10.1 inches MTBF: 179,141 hour(s) Cables Included: 1x Serial Cable Capacity: 4K Active VLANs Height: 1.7 inches Maximum Operating Temperature: 104 F MAC Address Table Size: 16k entries Localization: North America Width: 17.3 inches Enclosure Type: Desktop, rack-mountable - 1U Maxiumum Storage Temperature: 158 F Ports: 26 x 10/100/1000 + 2 x combo Gigabit SFP Device Type: Switch - 28 ports - L3 - managed Humidity Operating Range: 10-90% (non-condensing) Weight: n/a Minimum Operating Temperature: 32 F Interfaces: 28 x 10Base-T/100Base-TX/1000Base-T - RJ-45; 1 x console - 9 pin D-Sub (DB-9) - management; 2 x SFP (mini-GBIC) Humidity Storage Range: 10-90% (non-condensing) Flash Memory: 16 MB Voltage Required: AC 120/230 V ( 50/60 Hz ) Performance: Switching capacity: 56 Gbps; Forwarding performance (64-byte packet size): 41.67 Mpps Power Device: Power supply - internal Power Over Ethernet (PoE): n/a Status Indicators: Link activity, port transmission speed, system Ram: 128 MB Authentication Method: Secure Shell (SSH), RADIUS, TACACS+