I/O Modules Leds; I/O Module Leds - HP 3PAR StoreServ 7450 Service Manual

Table 4 Drive PCM LED Descriptions (continued)
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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 0–3. The I/O module also includes a Power and Fault LED.
Figure 5 I/O Module
Figure 6 I/O Module LEDs
12 Understanding LED Indicator Status
LED Appearance
Fan Fail Amber
DC Output Fail Amber
On PCM fail or PCM fault
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On No AC power or fault or out of tolerance
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Indicates