Detail overview
   Cisco - Industrial Ethernet 3000 Series - Switch - 4 Ports - Managed - Din Rail Mountable (ie-3000-4tc-e). 
 Key Features : 
  Device Type : Switch - 4 Ports - Managed 
   Enclosure Type : Din Rail Mountable 
   Interfaces : Fast Ethernet 
   Ports : 4 X 10/100 + 2 X Combo Gigabit Sfp 
   Mac Address Table Size : 8k Entries 
   Remote Management Protocol : Snmp 1, Rmon 1, Rmon 2, Snmp 3, Snmp 2c 
   Features : Vlan Support, Igmp Snooping, Mac Address Filtering, Dhcp Snooping, Quality Of Service (qos) 
   Compliant Standards : Ieee 802.1d, Ieee 802.1x 
   Ram : 128 Mb 
   Flash Memory : 64 Mb Flash 
   Status Indicators : Port Status, System 
 Expansion / Connectivity : 
   Interfaces : 4 X 100base-tx - Rj-45, 2 X 1000base-t - Rj-45, 2 X Sfp (mini-gbic)