Notification of a change in the operational status or
operational status qualifier or an optical layer OSC
facility.

This trap provides a threshold crossing alert for a
performance monitoring statistic on an optical layer
OSC facility.

Notification of a change in the operational status or
operational status qualifier or an optical layer port.

Notification of a change in the operational status or
operational status qualifier or an optical layer WDM
object.

Notification of a change in the operational status or
operational status qualifier or an optical layer WDM
object.

There is no input signal detected for the identified OSC.

A previously active optical layer OSC Far End Node
Configuration Inconsistent condition has cleared.

Bi-directional control communications with the node at the
opposite end of the span section have failed.

A previously active optical layer OSC Section Control
Communications condition has cleared.

Bi-directional control communications with the node at the
opposite end of the equalization section have failed.

A previously active optical layer OSC Equalization Control
Communications condition has cleared.

The measured optical back reflection of the transmitted
OSC signal exceeds the specified maximum.

A previously active optical layer OSC Optical Back
Reflection Out of Specification condition has cleared.

The measured optical back reflection of the transmitted
OSC signal exceeds the high threshold.

A previously active optical layer OSC Optical Back
Reflection High Threshold condition has cleared.

A previously active optical layer OSC Receive Loss of Light
condition has cleared.

There input OSC signal cannot be framed.

A previously active optical layer OSC Loss of Frame
condition has cleared.

There is no transmitted signal power detected for the
identified OSC.

A previously active optical layer OSC Transmit Loss of
Light condition has cleared.

The identifying attributes received for the far-end node
do not match the expected identifying attributes.

A previously active optical layer OSC Far End Identification
Mismatch condition has cleared.

The optical layer group configuration type for the far-end
node is inconsistent with the configuration type of
the local optical layer group.

The power received on the optical port is outside the
operating range.

A previously active optical layer port Automatic Power Shutdown
condition has cleared.

A Payload Missing Indication has been received on the
optical layer port input.

A previously active optical layer port Payload Missing
Indication condition has cleared.

A Backward Defect Indication has been received on the
optical layer port input.

A previously active optical layer port Backward Defect
Indication condition has cleared.

A channel count deficiency condition has been raised against
the port. This indicates that the number of channels
received on the port is less than the number required to
maintain stable optical control given the high span loss
level detected on the receive span fiber.

A previously active optical layer port Channel Count
Deficiency condition has cleared.

The identified optical layer port is incorrectly
connected and must be re-connected to a different
remote end port.

A previously active optical layer port Connection
Mismatch condition has cleared.

Connection validation could not be performed on the
identified optical layer port, which may mean that the
port is incorrectly connected.

A previously active optical layer port Received Power
Out Of Specification condition has cleared.

A previously active optical layer port Connection
Validation Timeout condition has cleared.

There is no received optical power detected for the port.

A previously active optical layer port Receive Loss of Light
condition has cleared.

The optical power loss measured over the span or
fiber connection terminating on the port in the
receive direction is outside the specification range.

A previously active optical layer port Receive Loss out of
Specification condition has cleared.

The optical power loss measured over the span terminating
on the line port in the receive direction is above
the high threshold level.

A previously active optical layer port Receive Loss 
High Threshold condition has cleared.

An automatic power shutdown has been automatically operated
on the optical layer port for safety reasons.

The WDM optical pre-amplifier is operating at a configuration
which is invalid for the detected loss.

A previously active WDM Invalid Pre-Amplifier Operating
Configuration condition has cleared.

The WDM optical mid-amplifier is operating at a configuration
which is invalid for the detected loss.

A previously active WDM Invalid Mid-Amplifier Operating
Configuration condition has cleared.

The WDM optical booster-amplifier is operating at a configuration
which is invalid for the detected loss.

A previously active WDM Invalid Booster-Amplifier Operating
Configuration condition has cleared.

The power received for the wavelength channel is outside the
operating range.

A previously active wavelength channel unequipped indication
condition has cleared.

An alarm indication signal for the wavelength channel has been
received from the far-end node of the line span.

A previously active wavelength channel alarm indication signal
condition has cleared.

The power received for the wavelength channel exceeds the
upper limit of the normal operating range.

A previously active Wavelength Channel Received Power Out Of
Specification High condition has cleared.

The power received for the wavelength channel is below the
lower limit of the normal operating range.

A previously active Wavelength Channel Received Power Out Of
Specification Low condition has cleared.

The power received for the wavelength channel exceeds the
maximum allowable level. The wavelength channel is declared
to be failed at this power level.

A previously active Wavelength Channel Received Power
High Fail condition has cleared.

A previously active Wavelength Channel Received Power Out Of
Specification condition has cleared.

There is no received optical power detected for the channel.

A previously active wavelength channel Receive Loss of Light condition
has cleared.

The power transmitted for the wavelength channel is outside the
operating range.

A previously active Wavelength Channel Transmitted Power Out Of
Specification condition has cleared.

There is no transmitted optical power detected for the channel.

A previously active wavelength channel Transmitted Loss of Light
condition has cleared.

An unequipped indication for the wavelength channel has been
received from the far-end node of the line span.