Best choice
Cisco Catalyst 2955 Series Switches :
• Cisco Catalyst 2955T-12-Twelve 10/100 ports and two fixed 10/100/1000BASE-T uplink ports
• Cisco Catalyst 2955C-12-Twelve 10/100 ports and two fixed 100BASE-FX multimode uplink ports
• Cisco Catalyst 2955S-12-Twelve 10/100 ports and two fixed 100BASE-LX single-mode uplink ports
Power requirements | • External 24V (dual-redundant DC input, screw-down connectors) • Power consumption: 23W maximum, 78.53 BTU/hour • 18V minimum; 32V maximum |