This document defines the downstream radio-frequency interface [DRFI] specifications for: an edgeQAM (EQAM) modular device, an integrated Cable Modem Termination System [CMTS] with multiple downstream channels per RF port, or an integrated CMTS beyond DOCSIS 2.0.
ANSI/SCTE 133-2010 history
2010ANSI/SCTE 133-2010 Downstream RF Interface for Cable Modem Termination Systems