Cisco XR 12404 Installation Manual page 105

Chapter 4 Troubleshooting the Installation
Table 4-1
Table 4-1
LED Label
OUTPUT OK
INPUT OK
OUTPUT FAIL
The following conditions must exist for an AC PEM to operate normally:
•
•
•
•
To help isolate a problem with an AC-input power supply, follow these steps:
Step 1 If the OUTPUT OK LED is off, verify that the power supply is fully seated in its
bay, the ejector levers are flush with the power supply faceplate, and the captive
screws are secured.
•
•
Check the AC power source.
Step 2
•
•
OL-13830-02
summarizes the function of these indicators.
DC-Input PEM LED Indicators
Color
Green
Green
Amber
The PEM is fully seated in its bay and the ejector levers are secured.
AC-input power is within the required range is correctly connected to PEMs.
The power switch on the PEM is switched on.
The green LEDs labeled OUTPUT OK and INPUT OK on the PEM are on.
If the OUTPUT OK LED is on, go to Step 6.
If the OUTPUT OK LED remains off, go to Step
Check the AC power cord from the power source to the router.
Verify that the power cord is seated securely in the PDU and the AC
–
outlet.
Verify that the power cord is not worn or damaged. If the insulation
–
appears cracked or broken, or the plugs appear loose, replace the power
cord with a new power cord.
Verify that the AC power source circuit breaker is on and has not tripped, and
that the circuit breaker has the proper current rating.
Troubleshooting an AC Power Subsystem
Function
PEM is operating normally in a powered-on
condition.
DC power is present at the PEM input and
within the specified limits.
Indicates a failure in the PEM.
Cisco XR 12404 Router Installation Guide
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