I/O enclosure (2U) LED indicators (Model 983)

This section contains FRUs that have LED indicators. Each listed assembly is shown with a description of its LEDs. Do not use LEDs as a starting point for diagnosing a problem.

I/O enclosure (2U) FRUs with LEDs

Table 1. Locations for I/O enclosure (2U) (front)
Part Reference
I/O enclosure (2U) Figure 1
I/O enclosure (2U) fan Figure 1, Figure 2
I/O enclosure (2U) midplane assembly Figure 1
I/O enclosure (2U) power supply Figure 1, Figure 3
Table 2. Locations for I/O enclosure (2U) (rear)
Part Reference
I/O enclosure (2U) Figure 4, Figure 5
I/O enclosure (2U) adapter (Fibre Channel host) Figure 6
I/O enclosure (2U) adapter (PCIe)
I/O enclosure (2U) adapter (PCIe and SAS device)
Figure 7
I/O enclosure (2U) adapter (PCN) Figure 8

I/O enclosure (2U) front

Figure 1. LEDs on I/O enclosure (2U) (front)
LEDs on I/O enclosure (2U) (front)
Table 3. Interpreting the LEDs on the I/O enclosure (2U) (front)
Index LED function Location Color LED Off LED On LED Flash
1

Enclosure power

N/A Green Power off Power on Power standby
2

Enclosure identify

N/A Blue Normal Identify N/A
3

FRU identify for I/O enclosure midplane

P1 Amber Normal N/A Identify
Figure 2. LEDs on I/O enclosure (2U) fan
I/O enclosure (2U) fan assembly LEDs (Model 983)
Table 4. Interpreting the LEDs on the I/O enclosure (2U) power supply (front)
Index LED Function Location Color LED Off LED On LED Flash
1 Power for I/O enclosure fan A1, A2 Green Power off Power on N/A
2 Identify for I/O enclosure fan A1, A2 Amber Normal N/A Identify
Figure 3. LEDs on I/O enclosure (2U) power supply
Management enclosure power supply LEDs
Table 5. Interpreting the LEDs on the I/O enclosure (2U) (front)
Index LED Function Location Color LED Off LED On LED Flash
1 Input power for I/O enclosure power supply E1, E2 Green No input Input good N/A
2 Output power for I/O enclosure power supply E1, E2 Green Standby off Output on Standby
3 Identify for I/O enclosure power supply E1, E2 Amber Normal N/A Fast = identify; slow = com fail

I/O enclosure (2U) rear

Figure 4. Locations for I/O enclosure (2U) (rear)
I/O enclosure (2U) locations code (rear) (model 983) with logical IG3, 1G4
Figure 5. LEDs on I/O enclosure (2U) (rear)
LEDs on I/O enclosure (2U) (rear)
Table 6. Interpreting the LEDs on the I/O enclosure (2U) (front)
Index LED Function Location Color LED Off LED On LED Flash
1 Slot identify
Adapter (if present) identify
C1 - C8 Amber Normal N/A Identify
2 I/O enclosure identify N/A Blue Normal Identify N/A
3 Adapter (PCN) power P1-C9 Green Power off Power good N/A
4 Adapter (PCN) identify P1-C9 Amber Normal N/A Identify
Figure 6. LEDs on I/O enclosure (2U) adapter (Fibre Channel host)
LEDs on I/O enclosure (2U) adapter (Fibre Channel host)
Table 7. Fibre Channel host card port LEDs (16 Gb/sec adapters, normal conditions)
Index Left LED Right LED State
1 (Left LED)
2 (Right LED)
Off On, green 4 Gb/s FC link rate - no I/O
Fast flash, green 4 Gb/s FC link rate - active I/O
On, green Off 8 Gb/s FC link rate - no I/O
On, green 16 Gb/s FC link rate - no I/O
Fast flash, green Off 8 Gb/s FC link rate - active I/O
Fast flash, green 16 Gb/s FC link rate - active I/O
Table 8. Fibre Channel host card port LEDs (16 Gb/sec adapters, power-up, failure, download, or test conditions)
Index Left LED Right LED State
1 (Left LED)
2 (Right LED)
Off Off Power off
On, red Off POST failure
On, red Firmware fault
Slow flash, white Slow flash, white Power on, firmware not initialized or hardware reset
Slow flash, green Slow flash, green Link down
Table 9. Fibre Channel host card port LEDs (16 Gb/sec adapters, normal conditions)
Index LED State
3 Off Normal
On, amber N/A
Flash, amber Adapter (slot) identify
Figure 7. LEDs on I/O enclosure (2U) adapter (PCIe and SAS device)
Note: Fully populated adapter shown. LEDs are similar for all adapter versions.
LEDs on I/O enclosure (2U) adapter (PCIe, SAS device, zHyperLink)
Table 10. Interpreting the LEDs on the I/O enclosure (2U) adapter (PCIe and SAS device)
Index Location Color LED function LED Off LED On LED Flash
1 P1-Cx-T5,
P1-Cx-T6
(x = 1, 2, 7, 8)
Green PCIe link status Link bad Link good N/A
Amber PCIe port identify Normal

N/A

Identify
2 P1-Cx-T7
(x = 1, 2, 7, 8)
Green Link status Link bad Link good N/A
Amber Port identify Normal N/A Identify
3 P1-Cx
(x = 1, 2, 7, 8)
Green Adapter power Power off Power on Power standby
4 P1-Cx
(x = 1 through 8)
Amber Slot identify
Adapter (if present) identify
Normal N/A Identify
Figure 8. LEDs on I/O enclosure (2U) adapter (PCN)
LEDs on I/O enclosure (2U) adapter (PCN)
Table 11. Interpreting the LEDs on the I/O enclosure (2U) adapter (PCN)
Index LED Function Location Color LED Off LED On LED Flash
1 Adapter (PCN) link status
Adapter (PCN) port identify
P1-C9-T1,
P1-C9-T2
Green Link bad Link good N/A
Amber Normal N/A Identify
2 I/O enclosure identify N/A Blue Normal Identify N/A
3 Adapter (PCN) power P1-C9 Green Power off Power good N/A
4 Adapter (PCN) identify P1-C9 Amber Normal N/A Identify