EntityQ1427899· pop 16· linked from 118 articlesrack unitSign in to saveunit of measure describing the height of electronic equipment designed to mount in a 19-inch rack or a 23-inch rackConnectionsInternational Standard Book NumberEntityserverEntityrouterEntityprinted circuit boardEntitynetwork switchEntityrepeaterEntitytelephone exchangeEntityKVM switchEntity19-inch rackEntityDVEntityElectronic Industries AllianceEntityEurocardEntityUnified Thread StandardEntityelectrical enclosureEntitycage nutEntityCategoriesCustomary units of measurement in the United StatesData centersMechanical standardsUnits of length