Table 3 PCM LEDs
(continued)
Indicates
Appearance
LED
Callout
Flashing – Charging or Disarmed
On – Hard Fault (non-recoverable)
Amber
Battery Fail
2
Flashing – Soft Fault (recoverable)
On – No AC Power or Fault or Out of Tolerance
Amber
DC Output Fail
3
Flashing – Firmware Download
On – PCM Fail or PCM Fault
Amber
Fan Fail
4
Flashing – Firmware Download
On – AC Present and PCM On / OK
Green
PCM OK
5
Flashing – Standby Mode
On – No AC Power or PCM Fault
Amber
AC Input Fail
6
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
Indicates
Appearance
LED
Callout
On – Power is on
Green
Power
1
Off – Power is off
On – Fault
Amber
Module Fault
2
Off – Normal operation
Flashing – The
locatecage
command is
issued.
On – Ready, no activity
External Port Activity (there are four
LEDs, all near the blue sections)
3
Storage System Component LEDs
21
