The Free On-line Dictionary of Computing (30 December 2018):

Hybrid Fiber Coax

    (HFC) A kind of physical connection used in
   networks for audio, video, and data.  DVB (Digital Video
   Broadcast) is used in Europe and DOCSIS is used in N America.

   [What is the relationship between HFC, DVB, DOCSIS?]

   (1999-11-02)