DOCSIS-CMTS-CM-US-STATS is an IPDR Service Definition Schema that defines the Upstream Channel statistics. This definition supports multiple upstream channels. Revision History: 3.5.1-A.1 Initial version. 3.5.1-A.2 Revised version includes ECN OSSIv3.0-N-10.0914-3 and published as I12. DOCSIS 3.0 Operations Support System Interface Specification CM-SP-OSSIv3.0-I12-100611, Annex N. The IPDR Record containing one upstream status instance representing a single cable modem.