Assembly panel diagram with six units, rails, three fiducials and routing gapsThe assembly panel carries more than circuit boardsUnit 1Unit 2Unit 3Unit 4Unit 5Unit 6Assembly railGap / route3 columns × 2 rows = 6 unitsRails, gaps and tooling add to the envelope³Ô¹Ïtv engineering illustration · conceptual; dimensions and acceptance are project-specific