Appendix B Port Descriptions and LED Status
STATUS LED STATES
This section describes Status LED states on all modules.
Interpreting Status LEDs for the Management Modules
The Status LEDs indicate whether the management module is operating properly. The following table describes the status possibilities for each.
LED | LED Color | Meaning of the LED |
|
|
|
CPU | green | Consists of an array of five LEDs that indicate the current level of CPU |
Utilization |
| utilization. Utilization is defined as the amount of traffic detected on the |
|
| device at any given time. The CPU utilization LEDs represent the |
|
| following percentages of possible utilization: 5%, 10%, 25%, 50%, and |
|
| 90%. |
| off | When all are off, indicates less than 5 percent CPU use. |
|
|
|
POWER | green | Indicates the system is receiving power. |
| off | Indicates the system is not receiving power. |
| red | Indicates the power has a problem. |
|
|
|
STATUS | blinking | Indicates the system is operational. |
| green |
|
| blinking | Indicates the system is booting up. |
| amber |
|
| off | Indicates the module is not operational. |
|
|
|
HA | green | Indicates the module is a master in a redundancy cluster. |
| red | Indicates the module is ineligible to be a backup. |
| amber | Indicates the module is a backup in a redundancy cluster. |
| off | Indicates that no HA activity has been defined. |
|
|
|
ALARM | red | Indicates an alarm which could mean a system failure. |
| blinking red | Indicates a |
|
|
|
| off | Indicates the system has not detected an event or error at the current |
|
| time. |
|
|
|
FLASH | green | Indicates the flash card is installed. |
| blinking | Indicates flash card activity. |
| green |
|
| off | Indicates no flash card loaded in the flash card slot. |
|
|
|
IV | User’s Guide |
