Bittree B48DC-HNPIT/E3 M2OU12L is is a 2x24 2RU 1/4 Inch long-frame patchbay with front selectable TRS audio. Selectable normalling and grounding with circuits that can be easily changed via shunts under both designation strips. Digital AES wire used for internal wiring. Has 2x DS800-10SA-ASSY designation strip assemblies, "Over/Under" orientation.