Front panel leds and buttons – HP ProLiant ML570 G4 Server User Manual
Page 8

Component identification 8
Item Description
5
Tape drive blank
6
SAS hard drives
Front panel LEDs and buttons
Item Description
Status
1
UID button and LED
Blue = Activated
Flashing blue = System being managed remotely
Off = Deactivated
2
Internal health LED
Green = Normal (system on)
Flashing amber = System health degraded
Flashing red = System health critical
3
External health (power
supply) LED
Green = Normal (system on)
Flashing amber = Redundant power supply failure
Flashing red = Power supply failure. No operational power
supplies.
4
NIC 1 link/activity LED
(embedded NIC only)
Green = Linked to network
Flashing green = Linked with activity on the network
Off = No network connection
5
NIC 2 link/activity LED
(embedded NIC only)
Green = Linked to network
Flashing green = Linked with activity on the network
Off = No network connection
6
Power On/Standby button
and system power LED
Green = System has AC power and is powered up.
Amber = System has AC power and is in standby mode.
Off = System has no AC power.