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Section 4, Status
Power Supply State
2.
POWER SUPPLY STATE
These fields indicate which types of power supplies are installed (AC or DC) in Card A and Card B and
provides their current state, as shown in
Condition
Normal
Error
Power Low
Power Fail
Charger Fail
Battery Low
Temp High
Temp Critical
3.
SYSTEM STATE
The system state fields display information regarding the two controller cards. The following sections
describe these fields in detail.
Alarm
This field displays any system alarm currently recognized by the unit. The condition is displayed until it
clears, with the exception of the Switched condition (which must be cleared manually) and the Excessive
Switches (cleared when Protection Switch alarm counts are cleared - refer to
on page 5-13).
To clear the Switched condition, select Acknowledge Alarms (ACO) or push the ACO button on the front
panel (refer to
ACO Buttons
types are listed in
Table
Condition
Supply Failure
Card Failure
Excessive Switches
Switched
4-4
Table
4-3.
Table 4-3. Power Supply State
Description
The power supply is fully operational.
The controller card cannot communicate with the power supply.
The power supply output level is abnormally low.
The power supply input power is lost.
The battery backup charger has failed or has lost its AC connection.
The battery backup has reached a critical energy point at which it may be unable
to supply the unit with sufficient power to maintain operation.
The power supply card temperature is abnormally high.
The power supply card temperature is so high that shut-off is imminent.
on page 2-13;
Acknowledge Alarms (ACO) on page
4-4.
Table 4-4. System Alarms
Description
A power supply card has failed.
A controller card is not passing data.
The Max Switching Threshold has been exceeded. Refer to
Switch Threshold
on page 3-7.
A card switch has occurred.
MX2800 STS-1 User Manual
Protection Switch Statistics
4-8). Possible alarm
Max. (Maximum)
61204659L1-1A
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