Rack system, adapter, rack frame, support rail, and method of making a rack system

摘要

A rack system includes a rack frame, and a support rail which is fixable to the rack frame. A device is supportable by the support rail. Multiple positioning projections are provided on at least one of the rack frame and the support rail and each of which is insertable into positioning holes of different kinds provided in the other of said at least one of the rack frame and the support rail.