Supermicro SuperServer 2028BT-HTR+, User Manual

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SuperServer
2028BT-Hxxx User Manual
3-2
3-3 Control Panel LEDs
Each control panel includes two LEDs that provide status information about the
system.
Power
The main power switch applies or removes primary power from the power supply to
the computing nodes but maintains standby power. To perform most maintenance
tasks, unplug the system to remove all power.
UID
The unit identification (UID) button is used to turn on or off the blue UID LED. This
light is displayed in the front as part of the UID button and with an illuminated UID
button at the rear of the node. The light helps locate the node in large racks and
server banks.
3-2 Control Panel Buttons
The chassis control panel includes two push-buttons that controls power.
NIC
Indicates network activity when flashing