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The ADN PS Power Supply with Rackmount Kit from Sennheiser includes the ADN PS Power Supply and the RMB2 rackmount kit. It is capable of powering up to 40 conference units if connected in two rings, and up to 70 units if connected in alternative branch style cabling. Multiple ADN PS units can be cascaded to provide power to up to 400 units.
Cascadable to increases system size to up to 400 units
Supports 40 to 70 ADN series conference units
Allows redundant ring cabling for increased failure-safety