HP 3PAR StoreServ 7450 Storage Troubleshooting Guide

Table 6 Drive PCM LED Descriptions (continued)
IndicatesAppearanceLEDIcon
No AC power or fault or out of toleranceOn
AmberDC Output Fail
Firmware downloadFlashing
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 14 M6710 I/O Module
Figure 15 M6720 PCM 0
16 Understanding LED Indicator Status