VS-1200-S Data Acccess Switch
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© 2011 Datacom Systems Inc
4.3 Relationship to Other MIB Modules
This section discusses the relationship of this MIB module to MIB modules published by the
Internet Engineering Task Force (IETF).
4.3.1 ENTITY-MIB and ENTITY-STATE-MIB
The ENTITY-MIB and ENTITY-STATE-MIB are designed to expose management
information about the full inventory of components associated with a managed system. These
components include power supplies.
In contrast, this MIB module addresses the specific requirement for exposing management
information about just the power supplies associated with Datacom products. Other than power
supplies, no management information is exposed for components comprising Datacom products.
An SNMP agent that implements both the ENTITY-MIB and the ENTITY-STATE-MIB is
capable of exposing the same management information about power supplies as exposed by this
MIB module.
However, within the Internet community, the usual expectations for an implementation of the
ENTITY-MIB and ENTITY-STATE-MIB is for fully populated tables containing management
information about the complete inventory of components associated with a managed system.
Thus, this MIB module is used to expose management information relevant to power supplies
associated with Datacom products.
Note, that the use of this MIB module does not preclude the potential for future use of the
ENTITY-MIB and ENTITY-STATE-MIB for Datacom products.
4.4 Organization of This MIB Module
This MIB module organizes its object definitions into one conceptual table. This table is
discussed in the following section.
There are also two notification definitions contained in this MIB module. These notifications are
discussed in a subsequent section.
4.4.1 The dcomPowerSupplyStatusTable
This table contains object definitions providing essential statistics for power supplies associated
with the managed system.
An entry exists in this table for each power supply associated with the managed system.
A unique value for the dcomPowerSupplyIndex object identifies each power supply.
The value of the dcomPowerSupplyStatus object indicates the current state of a power supply.
A value of 'stateDown(2)' indicates the power suppply is not operating or is not plugged in. A
value of 'stateUp(3)' indicates the power supply is operating as intended.
A dcomPowerSupplyStatus value of 'stateUnknown(1)' indicates the current state of the power
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