User`s manual

3-2
SUPERSERVER 6026TT-HT(R)F/HIBX(R)F/HIBQ(R)F USER'S MANUAL
3-3 Control Panel LEDs
In addition to the LEDs built into the power and UID buttons, each of the four control
panels located on the front of the SC827H-(R)1400B chassis has two LEDs that
provide you with critical information related their own node. This section explains
what each LED indicates when illuminated and any corrective action you may need
to take.
NIC
Indicates network activity on any of the LAN ports when ashing
3-4 SATA Drive Carrier LEDs
Each SATA drive carrier has two LEDs.
Green: When illuminated, the green LED on the front of the SATA drive carrier
indicates drive activity. A connection to the SATA 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.
Alert
This LED is illuminated when an alert condition occurs. A solid red light indicates an
overheat condition in the system. A ashing red light which ashes in one second
intervals indicates a fan failure. A ashing red light which ashes in four second
interfals indicates a power failure. When noti ed of an alert, check the routing of
the cables and make sure all fans are present and operating normally. You should
also check to make sure that the chassis covers and air shrouds are installed.
Finally, verify that the heatsinks are installed properly. This LED will remain ashing
or on as long as the temperature is too high or a fan does not function properly.