Quantum NDX Series User Manual page 40

Chapter 4: Initial Setup and System Interface
Control Panel LEDs
26
NIC1
Indicates network activity on LAN1 when flashing.
HDD
Channel activity for all HDDs. This light indicates DVD-ROM/hard drive
activity when flashing.
Power
Indicates power is being supplied to the system's power supply units.
This LED should normally be illuminated when the system is operating.
Quantum NDX NAS 1U Rack User's Guide