Quantum DXi4701, User Manual

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Chapter 2: DXi4701 Basic Operations
DXi4701 Hard Drive Carrier Indicators
38 Quantum DXi4701 User’s Guide
• AC Power - Lights green when the AC output voltage is within the
limit.
Caution: All power supplies are hot swappable. When replacing
power supplies, never remove more than one power supply
at a time from the system. Also, before you remove one
power supply, make sure the other power supply is
operating correctly (power indicator is green).
Figure 18 DXi4701 Expansion
Module - Power Supply LED
Indicators
DXi4701 Hard Drive Carrier Indicators
Each DXi4701 hard drive carrier in the Node and Expansion module has
two LED indicators (see Figure 19 ):
• Drive activity indicator (green)
• Flashing - Indicates hard disk drive activity.
• Drive status indicator (green and amber)
• Off - Drive ready for insertion or removal
DC power
Power supply fault
AC power