User`s guide

Control Panel LEDs
007-5536-001 21
NICs 1 and 2
• NIC1 - Indicates network activity on LAN1 when flashing.
• NIC2 - Indicates network activity on LAN2 when flashing.
HDD
Channel activity for the hard disk drives. This light indicates disk drive activity on the server when
flashing.
Power
The LED indicates power is being supplied to the system's power supply unit. This LED should
normally be illuminated when the system is operating.
Disk Drive Carrier LEDs
Each disk drive carrier has two LEDs.
• Green: When illuminated, the green LED on the front of the disk drive carrier indicates
drive activity. A connection to the backplane enables this LED to blink on and off when that
particular drive is being accessed.
• Red: There is no function associated with the red LED.