Through the see-through cabinet both rail faces showed as two grey boards, and a server of unknown height (drawn 1U, see-through) read as an empty shelf. Racks now have their four rail posts instead of panels; every server is solid, one of unknown height carries an amber outline (the elevation's ?U). A room whose machines' LLDP saw no switch and that NetBox has no cables for says so in the side panel, and how to enter cables by hand. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>