A device includes a housing supported by a rack in a manner such that the housing is drawable from a front surface of the rack; a cable whose one end is connected to an electronic device contained in the housing, where a portion of the cable in a longitudinal direction thereof is contained between a rear end portion of the housing and a rear surface of the rack; and a cable guide that guides the cable between the rear end portion of the housing and the rear surface of the rack, where the cable guide is unfoldable from a folded state between the rear end portion of the housing and the rear surface of the rack according to a drawing operation of the housing. The cable guide holds the cable at a height which differs from a height of the one end of the cable.