Power Status LEDs
Table 10: Power Status LEDs
Status
Color
LED Label
Sytem is powered off
Off
PWR
All the power supplies are on and
operating normally.
Green
Standby FPGA upgrade is in
progress (this is expected to take
about three to five minutes).
Amber
Power redundancy is lost due to a
power feed failure or an internal
power supply failure.
Red
Power Supply LEDs (PM0/PM1)
Table 11: Power Supply LED (PM0/PM1) Descriptions
Power Supply Condition
FAIL LED
POWER LED
Power Supply ON; valid input/output.
Off
Green
PSU Warning due to:
• Over current
• Over temperature
• Under voltage
• Over voltage
• Over power
• Fan failure
Red 1Hz flashing
Amber 1Hz
flashing
PSU failure due to:
• Over current
• Over temperature
• Under voltage
• Over voltage
• Over power
• Fan failure
On
Off
Cisco Network Convergence System 540 Large Density Routers Hardware Installation Guide
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Appendix
Power Status LEDs