D-LINK 24-Port Fast Ethernet managed switch ( DES-3200-28 )

Interface 24 10/100BASE-TX 2 100/1000 SFP 2 Combo 10/100/1000 BASE-T or 100/1000 SFP PoE Support No PoE Budget N/A PoE Ports N/A PoE+ Ports N/A Console Port RJ-45 Performance Switching Capacity 12.8 Gbps 63-Byte Packet Forwarding Rate 9.5 Mpps MAC Address Table-Size 16K Entries SDRAM for CPU 128 MB Packet Buffer 1.5 MB Flash Memory 32 MB Jumbo Frame 12kb Physical Environmental LEDs Power (Per Device) Console (Per Device) Link/Activity/Speed (Per Port) Acoustic 0 dB at low speed Heat Dissipation 48.4 BTU per hour Power Input 100 to 240 VAC, 50 to 60 Hz Internal Universal Power Supply Max Power Consumption 14.2 watts Dimensions 17.36 x 12.13 x 1.732 (441 x 308 x 44 mm) 19-inch Standard Rack-Mount Width, 1U Height Ventilation Fanless Power Surge Protection All Ethernet ports support IEC61000-4-5 10/700us 6 KV surge protection Operating Temperature 23F to 112F (-5 to 50C) Storage Temperature -40F to 158F(-40 to 70C) MTBF 668,867 hours Software Features Stackability Virtual Stacking: D-Link Single IP Management, Up to 32 units per Virtual Stack L2 Features MAC Address Table: 8k Flow Control: 802.3x Flow Control HoL Blocking Prevention Loopback Detection Port Mirroring: Supports 1 Mirroring group Supports One-to-One, Many-to-One, Flow-based (ACL) Mirroring Ethernet Ring Protection Switching (ERPS) L2 Protocol Tunneling Spanning Tree Protocols 802.1D STP BPDU Filtering 802.1w RSTP Root Restriction 802.1s MSTP 802.1Q-2005 MSTP VLAN 802.1Q Tagged VLAN VLAN Group: Max. 4K VLAN