Cisco Cisco Packet Data Gateway (PDG) Troubleshooting Guide
Troubleshooting the System
▀ Detecting Faulty Hardware Using Component LEDs
▄ Cisco ASR 5000 Series System Administration Guide
OL-22969-02
SMC Busy LED States
The Busy LEDs on the SMCs indicate that there is activity on one of their memory devices. Activity is displayed for the
following memory devices:
following memory devices:
CompactFlash module
PCMCIA device
Nand Flash (used to store SMC firmware).
Hard Drive
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.
information in the table to diagnose the problem.
Table 32.
SMC Busy LED States
Color
Description
Troubleshooting
Green/
Blinking
Green
Blinking
Green
Data is being read
from/written to one of the
memory devices.
from/written to one of the
memory devices.
No maintenance needed.
Important:
If removing the SMC from the chassis, it is
recommended that you wait until this LED is off to ensure the integrity
of all data being transferred to or from the memory device.
of all data being transferred to or from the memory device.
None
The memory devices are
not in use.
not in use.
No maintenance needed.
Checking the LEDs on the PSC(s)
Each PSC is equipped with status LEDs as listed below:
RUN/FAIL
Active
Standby
Status
Service