Table 1: Blade Server LEDs
Description
Color
LED
Power off.
Off
Power
Main power state. Power is supplied to all server
components in normal operation.
Green
Standby power state. Power is supplied only to the service
processor of the server so that the server can still be
managed.
If you press and release the front-panel power
button, the server performs an orderly shutdown
of the 12 V main power and goes to standby
power state. You cannot shut down standby power
from the front-panel power button. See the Cisco
UCS Manager Configuration Guide for
information about completely powering off the
server from the software interface.
Note
Amber
None of the network links are up.
Off
Link
At least one network link is up.
Green
Power off.
Off
Health
Normal operation.
Green
Minor error.
Amber
Critical error.
Blinking Amber
Blinking is not enabled.
Off
Blue locator button and LED
Blinking to locate a selected blade
—
If the LED is not
blinking, the blade is not selected. You can control the
blinking in UCS Manager or by using the blue locator
button/LED.
Blinking blue 1
Hz
Inactive.
Off
Activity
(Disk Drive)
Outstanding I/O to disk drive.
Green
Rebuild in progress. Health LED will flash in unison.
Flashing Green
4 Hz
Identify drive active.
Flashing Green
4 hz
Cisco UCS B200 M4 Blade Server Installation and Service Note
3
Overview
LEDs
