This attribute indicates the status of locally generated trunk
conditioning towards the ATM network.
When trunk conditioning is being locally generated towards the
ATM network, ingressConditioning is set to on.
When trunk conditioning is not being locally generated towards the
ATM network, ingressConditioning is set to off.
Trunk conditioning is transmitted towards the ATM network under
the following conditions:
lossOfSignal (LOS)
lossOfFrame (LOF)
remoteAlarmIndication (RAI)
alarmIndicationSignal (AIS)
bufferUnderflow (BU)
and in addition for E1:
lossOfMultiframe (LOMF)
receiveMultiframeRemoteAlarmIndication (RMRAI)