
1 Introduction
System Status LEDs
Figure 1-3.  System Status LED
Table 1-2  System Status LEDs
| LED | Condition | Status | |
| Pwr | On Green | Internal power is operating normally. | |
| (Power) | 
 | 
 | |
| On Amber | Internal power supply has failed. | ||
| 
 | |||
| 
 | 
 | 
 | |
| 
 | Off | Power off or failure. | |
| 
 | 
 | 
 | |
| BPS | On Green | The backup power supply is operating normally. | |
| 
 | 
 | 
 | |
| 
 | On Yellow | The backup power supply is plugged in but faulty, such as a | |
| 
 | 
 | thermal or fan failure. | |
| 
 | Off | No backup power supply is connected. | |
| 
 | 
 | 
 | |
| OK (Diagnostic) | On Green | System  | |
| 
 | 
 | 
 | |
| 
 | Blinking Green | System  | |
| 
 | 
 | 
 | |
| 
 | On Amber | System  | |
| 
 | 
 | 
 |