It was originally designed as an avionic data bus for use with military avionics, but has also become commonly used in spacecraft on-board data handling (OBDH) subsystems, both military and civil.
它最初是设计來作为军用航空电子的航空数据总线，但现在已普遍用于军用和民用航天器的机载数据处理（英语：On-board data handling）（OBDH）子系统。