8e6 Technologies Enterprise Reporter SL-002-002 - Manual (Page 58)

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HL Unit
Front LED Indicators and Buttons for Hardware Status Monitoring
On an HL unit, the following control panel buttons, icons, and LED indicators for hard-
ware status monitoring display on the right side of the front panel:
HL chassis control panel
LED Indicator Key
PWR = Power
HD = HDD Activity
NIC1 = LAN 1
NIC2 = LAN 2
OH = Overheat
UID = Unique IDentifier
The buttons and LED indicators for the depicted icons function as follows:
UID (button) – On an HL unit, when the UID button is pressed, a steady blue LED
displays on both the front and rear of the chassis (see also Rear of Chassis). These
indicators are used for easy location of the chassis in a large stack configuration.
The LED remains on until the button is pressed a second time.
Overheat/Fan Fail (icon) – This LED is unlit unless the chassis is overheated. A
flashing red LED indicates a fan failure. A steady red LED (on and not flashing)
indicates an overheating condition, which may be caused by cables obstructing the
airflow in the system or the ambient room temperature being too warm.
NIC2 (icon) – A flashing green LED indicates network activity on LAN2.
NIC1 (icon) – A flashing green LED indicates network activity on LAN1.
HDD (icon) – In addition to displaying in the control panel, this icon also displays
on the front panel on each hard drive carrier. A green LED indicates hard drive
activity. An unlit LED on a drive carrier may indicate a hard drive failure.
Power (icon) – The LED is unlit when the server is turned off. A steady green LED
indicates power is being supplied to the unit’s power supplies. (See also Rear of
Chassis.) A steady amber LED—or an unlit LED—may indicate a disconnected or
loose power supply cord.
Power (button) – When the power button is pressed, the main power to the server
is turned on. When the power button is pressed again, the main power to the server
is removed but standby power is still supplied to the server.