•
Redundancy
Figure 15: DPC Status LEDs
The possible states for all of the DPC/UDPC or /DPC2/UDPC2 LEDs are described in the sections that follow.
DPC Run/Fail LED States
The DPC/UDPC or /DPC2/UDPC2 Run/Fail LED indicates the overall status of the card. This LED should
be green for normal operation.
The possible states for this LED are described in the following table. If the LED is not green, use the
troubleshooting information in the table to diagnose the problem.
Table 22: DPC Run/Fail LED States
TroubleshootingDescriptionColor
None needed.Card powered up with no errors
detected.
Green
This is normal operation during boot-up.Card is initializing and/or
loading software.
Blinking Green
Errors were detected during the Power On Self Tests (POSTs). It is likely that
the errors were logged to the system's command line interface during boot.
Card powered up with error(s)
detected.
Red
ASR 5500 System Administration Guide, StarOS Release 21.4
207
Troubleshooting
Checking the LEDs on the DPC
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