| ① | Mode button |
| ② | Status LEDs |
| ③ | USB mini-Type B (console) port |
| ④ | USB Type A storage port |
| ⑤ | 24 x 10/100/1000 Ports |
| ⑥ | Uplink ports |

| ① | Ground connector |
| ② | CONSOLE (RJ-45 console port) |
| ③ | MGMT (RJ-45 10/100/1000 management port) |
| ④ | Fan module |
| ⑤ | Power supply modules |

| Models | Description |
| C3650-STACK-KIT | Cisco Catalyst 3650 Stack Module Spare |
| L-C3650-24-L-E= | C3650-24 LAN Base to IP Services Electronic RTU License |
| L-C3650-24-L-S= | C3650-24 LAN Base to IP Base Electronic RTU License |
| PWR-C2-1025WAC= | 1025W AC Config 2 Secondary Power Supply |
| PWR-C2-640WDC= | 640W DC Config 2 Secondary Power Supply |
| CAB-CONSOLE-RJ45 | Console Cable 6ft with RJ45 and DB9F |
| CAB-CONSOLE-USB | Console Cable 6 ft with USB Type A and mini-B |