Reference Guide
different element for the original element, 
as in a field replaceable unit (FRU). For 
example, some computer systems allow the 
microprocessor to be upgraded to one of a 
higher clock rating. In this case, the 
microprocessor is said to be replaceable.
CIM_PhysicalFrame
The CIM_PhysicalFrame class described in Table properties contains other frame enclosures such as racks and chassis. Properties 
like VisibleAlarm or AudibleAlarm, and data related to security breaches are also members of this class.
Table 5. CIM_Physical Frame Properties
Class Name:
CIM_PhysicalFrame
Parent Class: 
CIM_PhysicalPackage
Property Description Data Type
LockPresent Indicates whether the frame is protected 
with a lock.
Boolean
AudibleAlarm Indicates whether the frame is equipped 
with an audible alarm.
Boolean
VisibleAlarm Indicates that the equipment includes a 
visible alarm.
Boolean
SecurityBreach An enumerated, integer-valued property 
indicating that a physical breach of the 
frame is in progress. Values for the 
SecurityBreach property are:
1 - Other 2 - Unknown 3 - No breach 4 - 
Breach attempted 5 - Breach successful
uint16
IsLocked Indicates that the frame is currently locked. Boolean
CIM_Chassis
The CIM_Chassis class described in Table below represents the physical elements that enclose physical elements such as power 
supplies, fans, and processors.
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