tmnxOtuIfPmTtiExp 1.3.6.1.4.1.6527.3.1.2.62.1.1.1.24

The value of tmnxOtuIfPmTtiExp indicates the Trail Trace Identifier (TTI) for the Path Monitoring (PM) that is expected to be received in the OTU overhead. A mismatch of the received and the expected PM TTI will cause an 'oduTim' alarm to be raised