The following figure depicts the C35 back panel. C35 Management and Data Port LEDs describes the management and data port LED functions.

| 1 | Not Used | 3 | Power Switch |
| 2 | CPU-Fan | 4 | AC Power Socket |
C35 Management and Data Port LEDs
| Port | LED | Function |
|---|---|---|
| Management | Network speed | Off = 10Mbs |
| Green = 100Mbs | ||
| Amber = 1000Mbs | ||
| Management | Activity/Link | Off = No Link |
| Green = Active Link | ||
| Blinking Amber = Network Activity |