Getting this OID will return the phase load state.
normal(1) indicates that the bank is operating properly
within the atsConfigPhaseLowLoadThreshold and
atsConfigPhaseNearOverLoadThreshold OID values.
lowload(2) indicates that the bank load has dropped below
the atsConfigPhaseLowLoadThreshold OID value. An SNMP trap
will occur when this state is entered or cleared.
nearoverload(3) indicates that the bank load is greater than
or equal to the atsConfigPhaseNearOverLoadThreshold OID value.
An SNMP trap will occur when this state is entered or cleared.
overload(4) indicates that the bank load is greater than or
equal to the atsConfigPhaseOverLoadThreshold OID value.
An SNMP trap will occur when this state is entered or cleared.