DOCSIS-CMTS-CM-US-OFDMA-STATUS is an IPDR Service Definition Schema that provides data on the status of each CM's OFDMA Upstream Channel Profiles. This definition supports multiple OFDMA upstream channels and profiles per CM. Revision History: 3.5.1-B.2 Per ECN CCAP-OSSIv3.1-N-20.2110-2: Removes downstream OFDM Profile elements ProfileCounterDiscontinuityTime, PartialChanReasonCode, LastPartialChanTime, and LastPartialChanReasonCode. 3.5.1-B.1 Initial version. DOCSIS 3.1 CCAP Operations Support System Interface Specification CCAP-OSSIv3.1-N-15.1390-2 An IPDR Record containing status data for one Profile/Data IUC of one upstream OFDMA channel of the given CM.