ADTRAN 4200659L1, 4175043L2, 4200659L5 Card A/Card B, exceeded. See Max. Switch Threshold on page

Chapter 4. Status

with the exception of the SWITCHED condition (which is cleared manually).

To clear the SWITCHED condition, select ACKNOWLEDGE ALARMS (ACO) or push the ACO button on the front panel. See the sections ACO Buttons on page 2-12 and Acknowledge Alarms (ACO) on page 4-12 for more information. Possible alarm types are listed in the following chart:

Condition	Description
Supply Failure	A power supply card has failed.
Card Failure	A controller card is not passing data.
Excessive	The MAX SWITCHING THRESHOLD has been
Switches	exceeded. See Max. Switch Threshold on page
	3-6.
Switched	A card switch has occurred.

Card A/Card B

These fields display the current state of the two controller cards. Possible states for the controller cards are listed in the following chart:

Condition	Description
Not Installed	No controller card is installed in this slot.
Stand By	The controller card is ready to pass data, but is
	currently acting as a backup card.
Active	The controller card is acting as the primary card.
Failure	The controller card has failed and needs to be
	replaced.

4-6 MX2800 STS-1 User Manual 61200659L1-1