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SCTE 137-2 2010
- Modular Headend Architecture Part 2: M-CMTS Downstream External PHY Interface
- standard by Society of Cable Telecommunication Engineers, 2010
- Publisher: SCTE
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This document defines an interface known as the Downstream External PHY Interface (DEPI) and associated protocol requirements for the transport of downstream user data between the "M-CMTS Core" and the EQAM. It describes the characteristics of the DEPI interface, provides requirements that must be met by the M-CMTS Core and the EQAM, and also describes various aspects of technical issues that are involved in the implementation and deployment of a DOCSIS system using the M-CMTS architecture.