DOCSIS-CMTS-CM-US-OFDMA-STATUS is an IPDR Service Definition Schema for monitoring the OFDMA upstream channel status of the CM as perceived by the CMTS. Revision History: 3.5.1-B.1 Initial version. 3.5.1-B.2 Per ECN CCAP-OSSIv3.1-N-20.2110-2: Removed DOCSIS-CMTS-CM-PARTIAL:NumPartialChanIncidents. 3.7-B.4 OSSIDM-24 Added enumeration type "timeoutT4" to RangingStatus 3.7-B.5 OSSIDM-68 Added missing attributes from CmtsCmUsOfdmaChannelStatus Object in CCAP-OSSIv4.0 3.7-B.5.0.0 New revision naming convention. 3.7-B.5.0.1 Update namespace from mibs to www. Fix import versions. Revised version includes ECN CCAP-OSSIv3.1-26.2430-1. Contact: Postal: Cable Television Laboratories, Inc. 858 Coal Creek Circle Louisville, Colorado 80027-9750 U.S.A. Phone: +1 303-661-9100 Fax: +1 303-661-9199 Email: data-model-support@cablelabs.com Copyright 2019-2026 Cable Television Laboratories, Inc. All rights reserved. DOCSIS 3.1 CCAP Operations Support System Interface Specification CCAP-OSSIv3.1-26.2430-1 The IPDR Record containing one OFDMA upstream status instance of a single cable modem.