Adtran MX2800 M13 User Manual

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4-4    
61200290L1-1G
Section 4, Status
MX2800 M13 Multiplexer User Manual
3. POWER SUPPLY STATE
This field indicates which types of power supplies are installed (AC or DC) in Card A and Card B and 
gives their current state. See 
4. SYSTEM STATE
These fields display information regarding the two controller cards. The following sections describe the 
system state fields in detail.
Alarm
This field displays what type (if any) of system alarm is currently recognized by the unit. The condition is 
displayed until it clears up, with the exception of the Switched condition (which is cleared manually) and 
the Excessive Switches (which is cleared when Protection Switch alarms counts are cleared). For more 
information, refer to 
To clear the 
Switched
 condition, select Acknowledge Alarms (ACO) 
or push the 
ACO
 button on the front 
panel. For more information, refer to 
4-6 in this section. Possible alarm types are listed in 
.
Table 4-4.  Power Supply Conditions
Condition
Description
Normal
The power supply is fully operational.
Error
The controller card cannot communicate with the power supply.
Power Low
The power supply output level is abnormally low.
Power Fail
The power supply input power is lost.
Charger Fail
The battery backup charger has failed or has lost its AC input.
Battery Low
The battery backup has reached an insufficient energy level to power the unit.
Temp High
The power supply card temperature is abnormally high.
Temp Critical
The power supply card temperature is so high that it is approaching shut off.
Table 4-5.  System State Alarm Types
Condition
Description
Supply Failure
A power supply card has failed.
Card Failure
A controller card is not passing data.
Excessive Switches
The Max Switching Threshold has been exceeded. Refer to 
Switched
A card switch has occurred.