Cisco C3550 Series Chassis
| Model | Description | |
| WS-C2970G-24T-E |
Catalyst 2970 24 10/100/1000T Enhanced Image |  |
| WS-C2970G-24TS-E |
Catalyst 2970 24 10/100/1000T + 4 SFP, Enhanced Image | |
| WS-C3550-12G |
10 GBIC ports + 2-10/100/1000 ports: EMI | |
| WS-C3550-12T |
10-10/100/1000 ports + 2 GBIC 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 | |
Cisco C3550 Series GBIC
| Model | Description | |
| WS-G5482 |
1000BASE-T GBIC | |
| WS-X3500-XL | GigaStack Stacking GBIC and 50cm cable | |
