HP A5585A - SureStore DLT E Tape Library 4/40 Upgrade And Replacement Instructions page 114

Table 3-7
1) Activity LED
Color Description
Flashing Indicates transmission activity by the Fibre
Green Channel controller.
2) Link LED
Color Description
Green Indicates valid Fibre Channel connection.
Yellow Fibre Channel controller is being reset.
Off Fibre Channel is not connected.
3) Ready LED
Color Description
Yellow Fibre Channel controller is being reset, failed
power-on test, or a fatal error was detected
during operation.
Green Fibre Channel controller passed power-on test.
Controller is ready.
Flashing One SCSI port is faulty.
Green
Downloading Firware and Interpreting LEDs
Library LEDs
Standard Performance Fibre Channel Controller LEDs
3-14 Chapter 3