Bittree B48DC-NNPIT/E3 M2OU7L is a 2x24 2RU 1/4 inch long-frame patchbay with front selectable TRS audio. Selectable normalling and grounding so circuits can be easily changed via shunts under both designation strips. Digital AES wire used for internal wiring. with 2 x DS800-10SA-ASSY designation strip assemblies, "Over/Under" orientation.