MIL-STD-1553 is a military standard published by the United States Department of Defence that defines the mechanical, electrical, and functional characteristics of a serial data bus. It was originally designed as an avionic data bus for use with military avionics, but has also become commonly used in other subsystems, both military and civil.
Single function (RT Validated) 1553 operates either as a Bus Controller, Remote Terminal, or Bus Monitor.
The MIL-STD-1553 multi function interface cards are compatible with all common variations of MIL-STD-1553 and provides a wide range of features normally found only on full size testers. The card can operate simultaneously as a Bus Controller (BC) and/or multiple (up to 32) Remote Terminals (RT), or as a Triggerable Bus Monitor. The card supports error injection and detection.
Tutorial explaining how to test your mil std 1553 card: