The CSMAPDU9VPI is a HomeConnect Passive VoIP Amplifier with MoCA connectivity and 9 ports (8 video / RF ports + 1 VoIP port).
It is used in cable TV / broadband coaxial distribution systems to amplify and distribute signals. 
It supports bi-directional / two-way signal paths (forward/downstream and reverse/upstream) (i.e. it’s a subscriber amplifier). 
It includes a power inserter (i.e. a means to inject DC power) as part of the unit.
C9F2, Non Data Device