Bron: wiki.unify.com

Middels deze matrix is af te leiden wanneer er een external power unit gebruikt dient te worden in het geval er 1 of meerdere Key Modules aangesloten worden.

IP devices

Device	... with Key Modules	Power over Ethernet			External Power Unit
		Class 1	Class 2	Class 3
OpenStage 15	0 or 1 (paper)		-	-	-
OpenStage 20 E OpenStage 20	-		-	-	-
OpenStage 20 G	-	-		-	-
OpenStage 40	0, 1 or 2	-		-	-
OpenStage 40 with BLF	0	-		-	-
OpenStage 40 G	0, 1 or 2	-	-		-
OpenStage 40 G with BLF	0	-	-		-
OpenStage 60 OpenStage 80	0, 1 or 2	-	-		-
OpenStage 60 G OpenStage 80 G	0 or 1	-	-		-
OpenStage 60 G OpenStage 80 G	2	-	-	-

TDM devices

Device	... with Key Modules	powered by UP0/E	External Power Unit
OpenStage 10 T	0		-
OpenStage 15 T	0 or 1 (paper)		-
OpenStage 20 T	0		-
OpenStage 30 T	0 or 1 (paper)		-
OpenStage 30 T with BLF	0	-
OpenStage 40 T	0 or 1 (paper)		-
OpenStage 40 T	1 or 2 (display)	-
OpenStage 40 T with BLF	0	-
OpenStage 60 T OpenStage 80 T	0	-
OpenStage 60 T OpenStage 80 T	1 or 2 (display)	-