Assertion: rack's server | /r/CapableOf | duplicate indicator lights
Facets:
value: to help identify a machine
type: PURPOSE
value: on rear
type: LOCATION
Source sentences:
text: Rack-optimized servers might duplicate indicator lights on the front and rear of the rack to help identify a machine needing attention, or provide separate "identify" LED indicators on both sides of the server (which can be turned on in software or by pushing an associated button).