Always disconnect power servicing the input power connection.
Note
If the input voltage polarity is reversed, or if the LED circuit fails, the LED will not light. In this case,
service personnel should check for hazardous voltages before working on the system.
Caution
Figure 34: AC and DC Power Module Power Module Status Indicators
Fault LED
3
Input OK LED
1
Output OK LED
2
Cisco Network Convergence System 6000 Fabric Card Chassis Hardware Installation Guide
51
Installing the Power Components
About the Power Module Status Indicators