Supero 4021A-T2, User Manual

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3-2
A+ Workstation 4021A-T2 User's Manual
3-3 Control Panel LEDs
The control panel located on the front of the SC743T-645 chassis has six LEDs
that provide you with critical information related to different parts of the system.
This section explains what each LED indicates when illuminated and any corrective
action you may need to take.
1
2
Power
Indicates power is being supplied to the system's power supply. This LED should
normally be on when the system is operating.
HDD
Indicates IDE channel activity. On the SC743T-645, this LED indicates SATA drive
activity when fl ashing.
NIC1
Indicates network activity on LAN1 when fl ashing.
NIC2
Indicates network activity on LAN2 when fl ashing.
Overheat/Fan Fail
When this LED fl ashes, it indicates a fan failure. When on continuously it indicates
an overheat condition, which may be caused by cables obstructing the airfl ow in