تعريف field replaceable unit في الإنجليزية الإنجليزية القاموس.
Any unit (module, board, or card) that can be "hot-swapped", that is, replaced with another unit while the power is connected to the item housing the unit
A hardware component that can be replaced in the field, as opposed to at the factory
Those items that can be individually replaced by a field engineer These include items which are hot pluggable, hot swappable and many items that are dealt with off-line