ARINC Characteristic 777-2:2010

This Characteristic provides the definitions for the physical form and fit dimensions, the electrical interfaces, and the functions of an independent power supply for cockpit voice recorders or crash survivable recorders that combine voice with other recording functions. The RIPS is used to provide backup power that is independent of the aircraft generated power buses. Supplement 2 introduces a description of charge rates for alternate power sources and revises the electrical interface to accommodate monitoring of the RIPS status.