Cisco cBR Series Hardware Installation Manual page 180

Monitoring the Power System in the Cisco cBR Chassis Using LEDs
LED
DC PRESENT
LED
Table 35: Verifying the LEDs on the AC Power Module
LED
Input power LED
Output power LED
Fault LED
Table 36: Verifying the LEDs on the DC Power Module
LED
Input power LED
Output power LED
Fault LED
Cisco Converged Broadband Routers Hardware Installation Guide
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Status Description
The DC power input is present.
Green
This LED does not indicate that the power input is within
Note
the correct range.
Yellow The DC power input is reversed.
Off The DC power input is not present.
Status Description
Green AC input voltage is present and within the correct range.
Blinking AC input voltage is present and out of the acceptable range.
Off AC input voltage is not present.
Green The Power Module output voltage is on.
Blinking The AC Power Module is in a power limit or overcurrent condition.
Off The AC Power Module output voltage is off.
Internal fault in the AC Power Module.
Red
Off The AC Power Module is operating normally.
Status Description
Green Dual DC input voltages are present and within the correct range (-40
V to -72 V).
Blinking The DC Power Module is in single input operation mode and at least
one DC input voltage is out of the acceptable range.
Off Dual DC input voltages are less than -26 V (or is less than -26 V for
a single input operation mode).
The DC Power Module output voltage is on.
Green
Blinking The DC Power Module is in a power limit or overcurrent condition.
Off The DC Power Module output voltage is off.
Internal fault in the DC Power Module.
Red
Off The DC Power Module is operating normally.
Monitoring the Power System in the Cisco cBR Chassis