Table 3 PCM LEDs (continued)
IndicatesAppearanceLEDCallout
Flashing – Charging or Disarmed
On – Hard Fault (non-recoverable)AmberBattery Fail2
Flashing – Soft Fault (recoverable)
On – No AC Power or Fault or Out of ToleranceAmberDC Output Fail3
Flashing – Firmware Download
On – PCM Fail or PCM FaultAmberFan Fail4
Flashing – Firmware Download
On – AC Present and PCM On / OKGreenPCM OK5
Flashing – Standby Mode
On – No AC Power or PCM FaultAmberAC Input Fail6
Flashing – Firmware Download
I/O Modules LEDs
I/O modules are located on the back of the system. I/O modules have two mini-SAS universal
ports, which can be connected to HBAs or other ports and each port includes External Port Activity
LEDs, labeled 1–4. The I/O module also includes a Power and Fault LED.
Figure 19 I/O module LEDs
Table 4 I/O module LEDs
IndicatesAppearanceLEDCallout
On – Power is onGreenPower1
Off – Power is off
On – FaultAmberModule Fault2
Off – Normal operation
Flashing – The locatecage command is
issued.
On – Ready, no activityExternal Port Activity (there are four
LEDs, all near the blue sections)
3
Storage System Component LEDs 21
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