Like all Tellabs cabinets, the Tellabs 52BU supports POTS, ISDN, special services, T-1, xDSL, Ethernet and fiber. The cabinet can be deployed in any network topology (point-to-point, star, tree), including integrated (GR-303, TR-08) and universal configurations (TR-57).
Front, rear and side doors are equipped with key locks and padlock tabs. The side door provides controlled access to the protector panels. With a total capacity of 500 lines, the Tellabs 52BU is designed for POTS or heavy broadband installations requiring optimal xDSL service card capacity.