About Chassis Monitoring Module Indicators and Buttons

Each Chassis Monitoring Module (CMM) has LED indicators and recessed push buttons on the front panel, as shown in the following illustration.

Illustration Key

Item

Indicator Name

Color

Description

1

Ready-to-Remove

Blue

This LED provides these indications:

  • Steady On – Lights when it is safe to remove the associated CMM from the system.

  • Off – The CMM is not ready for removal.

2

Service Action Required

Amber

This LED provides these indications:

  • Steady On – Lights when there is a CMM fault, such as a power fault, memory fault, or management network link failure. In a CMM redundant configuration, if the fault occurs in the active CMM, the standby CMM becomes active and lights the LED.

  • Off – The CMM has no fault condition.

3

OK

Green

This LED provides these indications:

  • Steady On – Lights steadily when AC power is applied to the chassis.

  • Slow Blink – Blinks slowly during bootup.

  • Off – Chassis has no power.

4

Locator button

When momentarily pressed, lights the Locator indicator.

5

Locator LED

White

This LED provides these indications:

  • Fast Blink – Helps you locate a specific system in a data center.

  • Off – Normal operating state.

6

Reset button

Performs a hardware reset of the CMM. Use a small stylus to activate this recessed button.

7

Reset password button

Resets the root password of the CMM to the factory default of changeme. Use a small stylus to activate this recessed button.

8

Active (Master) LED

Green

This LED provides these indications:

  • Steady On – Lights when the associated CMM is the master (active) CMM.

  • Off – Indicates that this CMM is the standby CMM.

Ethernet port LEDs

Green (on the left)

Amber (on the right)

These LEDs provide these indications:

  • Green on – Indicates Ethernet link status (up/down).

  • Amber on – Indicates Ethernet activity.