oscPowerOutOfSpecicationLow
Enty Type Severity
Service
Aected
Direcon Locaon Descripon
Port (Edge) crical service-
aecng
receive NEND OPROSC Power Out of Specicaon–Low:
TYPE = <unit type>
Probable Cause Suggested Correcve Acon
Opcal Receive Power OSC is too low. 1. Verify that the appropriate transmier is installed at
the far end.
2. Verify that the transmit output level is within
specicaons.
3. Install an appropriate opcal aenuator in the line at
the receiver.
osnrModeMismatch
Enty Type Severity
Service
Aect
Direcon Locaon Descripon
OTS major service-
aecng
receive NEND OSNR Mode Mismatch
Probable Cause Suggested Correcve Acon
A mismatch exists between local NE and
remote NE values for the OSNR
enhancement seng.
Verify the provisioning of the OSNR enhancement seng
between the two NEs.
otsSpanlossPowerOutOfSpecicationHigh
Enty Type Severity
Service
Aected
Direcon Locaon Descripon
ots crical service-
aecng
receive NEND SPANLOSS Out of Specicaon–High
Probable Cause Suggested Correcve Acon
â– The threshold level has been improperly
set.
■Aenuaon on exisng span has
increased.
1. Verify the proper threshold levels with local standards.
2. If needed, reset the PM threshold to correct.
3. Follow local pracces to check the physical
characteriscs of the exisng span.
System Maintenance
Trouble Clearing
321
Release 19.1.1 · Issue 1.1, May 2021
Fujitsu and Fujitsu Customer Use Only