Filter
Top Products
Power-up Diagnostics 4-3
System Diagnostics
This section describes the LEDs that provide
information about the system as a whole.
Power LED Activity
■ Green — The system is powered on; the system is
running or has run diagnostics.
■ No Light — The system has no power; no
diagnostics are running.
Fault LED Activity
■ No Light — System diagnostics have been
successfully completed and the system is
operational.
■ Solid or Blinking Yellow — The system has failed
diagnostics, or some other operational error has
occurred.
See Chapter 6 for troubleshooting information.
Ethernet Port Diagnostics
This section summarizes the information displayed by
the port LEDs.
Packet LED Activity
■ No Light — Data is not passing through the port.
■ Blinking Yellow — Data is passing through the
port.
■ Yellow — Data is passing through the port.
Status LED Activity
■ No Light — The port is off-line.
■ Blinking Green — The port is online but disabled.
■ Green — The port is online and enabled.
See Chapter 6 for troubleshooting information.