DOCSIS-CMTS-CM-NODE-CH is an auxiliary schema that defines the CM's MAC Domain registration status from the CMTS perspective. 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. Contains the ID of the MAC Domain Cable Modem Service Group Id (MD-CM-SG-ID) in which the cable modem is registered. If the ID is unknown, the CMTS reports a value of zero. Contains the RCP-ID associated with the CM. If unknown, the CMTS returns a zero length hexBinary. Contains the RCC id the CMTS used to configure the CM receive channel set during registration. If unknown, the CMTS returns 0. Contains the Receive Channel Set (RCS) that the CM is currently using. If unknown, the CMTS returns the value zero. Contains the Transmit Channel Set (TCS) that the CM is currently using. If unknown, the CMTS returns the value zero.