WS-C3550-12T
10-10/100/1000 ports + 2 GBIC ports: EMI
Cisco 3550 Series
WS-C3550-12G
10 GBIC ports + 2-10/100/1000 ports: EMI
WS-C3550-24-DC-SMI
24-10/100 + 2 GBIC ports(DC-Pwrd): SMI
WS-C3550-24-EMI
24-10/100 + 2 GBIC ports: EMI
WS-C3550-24-FX-SMI
24-100FX MMF + 2 GBIC ports: SMI
WS-C3550-24PWR-EMI
24-10/100 inline power + 2 GBIC ports: EMI
WS-C3550-24PWR-SMI
24-10/100 inline power + 2 GBIC ports: SMI
WS-C3550-24-SMI
24-10/100 + 2 GBIC ports: SMI
WS-C3550-48-EMI
48-10/100 + 2 GBIC ports: EMI
WS-C3550-48-SMI
48-10/100 + 2 GBIC ports: SMI