hwY1731OneDelayInterval 1.3.6.1.4.1.2011.5.25.136.1.8.1.2.1.28

This object indicates the interval of the sent 1DM frames. When on-demand OAM, the value can be: 1 second 10 seconds When proactive OAM, the value can be: 1 second 10 seconds 30 seconds