This standard establishes interface and associated verification requirements for the control of the electromagnetic interference (emission and susceptibility) characteristics of replaceable electronic modules (REMs). Such equipment is used only as an integral part of other subsystems or systems, and may not be used independently. This standard is best suited for items that have the following features: removable/replaceable electronic circuit card modules that plug into an equipment rack or frame, with electrical interconnections primarily through edge connectors that interfaces directly with a backplane, and electrical power input derived from the backplane power sources. This standard should not be directly applied to equipment that can be used independently as a stand-alone system or subsystem (separate box intra-connected by a wire harness to other boxes of a subsystem), or to entire system platforms. It is assumed that the rack/frame equipment with its full complement of REM's is tested in some configuration to the equipment electromagnetic interference (EMI) standard such as MIL-STD-461. This standard is best suited for situations where the qualification of the REM is more effective than re-qualification of the rack/frame equipment with the new REM.
Working Group Chair: Fred Heather
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