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2.2.2 Rear LEDs on the PCI Expansion Unit


2.2.2 Rear LEDs on the PCI Expansion Unit
An LED is mounted on each component. If a component experiences an error, check the LEDs to see which component requires maintenance. Check the LEDs before starting maintenance work.
The following LEDs are mounted on the rear panel of the PCI expansion unit.
  1. Power supply units (A in Figure 2-6)
  2. I/O board (B in Figure 2-6)
  3. Link board (C in Figure 2-6)
  4. PCIe slots (D in Figure 2-6)
Figure 2-6  LEDs on the Chassis Rear
Figure 2-6  LEDs on the Chassis Rear
The LEDs mounted on each component and the statuses indicated by those LEDs are listed below.
Table 2-3  Power Supply Unit LEDs and Status
Name Color Status Description
POWER/FAIL Green On The input power is turned on and power is being supplied normally.
power_check Blinking (*) Standby condition.
Amber On Indicates that an error has occurred.
Blinking (*) Warning state (an error has occurred but the power unit is still operating).
  Off The input power is turned off.
* The blink interval is 1 second (1 Hz).
Table 2-4  I/O Board LEDs and Status
Name Color Status Description
CHECK
(Indicator)
Amber On Indicates that an error has occurred.
check Blinking (*) Indicates that the component requires maintenance. (This function is also referred to as the "locator.")
Off Indicates the normal state. Or, the breaker is open, or the power supply is otherwise off.
* The blink interval is 1 second (1 Hz).
Table 2-5  Link Board LEDs and Status
Name Color Status Description
LINK STATUS
(PCI-Ex)
/left side
Green On The link is established with PCI-Express Gen3 x8.
Blinking (*) The link is established with other than PCI-Express Gen3 x8 (degradation condition).
Off The link is down.
LINK STATUS
(Management)
/right side
Green On The management link is established.
Blinking (*) The management link is disconnected.
Off Indicates that power is not being supplied.
* The blink interval is 1 second (1 Hz).
Table 2-6  PCIe Slot LEDs and Status
Name Color Status Description
POWER Green On Indicates that power is being supplied.
power Off Indicates that power is not being supplied.
ATTENTION Amber On Indicates that an error has occurred.
check Blinking (*) Indicates that the component requires maintenance. (This function is also referred to as the "locator.")
Off Indicates the normal state.
* The blink interval is 1 second (1 Hz).