Owner's manual

PMCU
The power monitor and control unit (PMCU) controls and monitors the battery connection to the DC power distribution
buses. Along with the service processor, the PMCU diagnoses the condition of the batteries, fans, and power supplies
and regulates the voltage supplied to the fans.
Location in OSM Tree: System > Group > Module > PMCU
Slot Location: PMCUs are located in slots 21 and 22 of Nonstop S-series processor or I/O enclosures (appearance
side).
Example: PMCU (1.1.21)
Attributes
PMCU
Displayed in the Attributes tab and Attributes dialog box only if the value is something
other than OK. Values
Service State
Physical
A code that identifies the generation of the component. Hardware revision codes are
used for tracking components.
Hardware Revision
Identifies the manufacturer of the component.Manufacturer
The part number of the component that was assigned in manufacturing. Use part
numbers for identifying and ordering parts.
Part Number
Whether the component is powered on. ValuesPower State
A unique serial number that identifies the component.Track IDs are used for tracking
components.
Track ID
Temperature Sensor
The minimum acceptable air intake temperature is 5 degrees Celsius. If the
temperature falls below 5 degrees, an alarm is generated.
Normal Minimum Value
The current temperature, in degrees Celsius (°C), inside the enclosure of the module.Current Value
The maximum acceptable air intake temperature is 50 degrees Celsius. If the
temperature rises above 50 degrees, an alarm is generated.
Normal Maximum Value
Actions
None.
166 System Resources