Enclosure for high-density subscriber line modules

Details Enclosure for high-density subscriber line modules Enclosure for high-density subscriber line modules

1997-08-11

1999-04-20

Picard, Leo P.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

361691, 361694, 361704, 361716, 361785, 361730, 174 523, 174 1705, H05K 720

Patent

active

058962689

ABSTRACT:
A repeater case for high-density subscriber lines includes a repeater base and repeater case housing formed of a fiberglass composite and together forming a sealed enclosure for a pressurized atmosphere. The repeater case housing has a removable cover secured in position by torque bolts, a sealing gasket to sealingly receive the cover, a plurality of high-density subscriber line module slots and a plurality of printed circuit boards mounted to certain of the slots with gaps between adjacent printed circuit boards, the printed circuit boards being adapted to receive respective high-density subscriber line modules. The repeater base has a cable inlet, and each of the plurality of printed circuit boards is provided with a connection to the cable inlet and a connector to electrically receive one of the high-density subscriber line modules. The repeater base also includes an electrically insulating barrier between the cable inlet and the printed circuit boards. A plurality of openings in the barrier permit cooling atmosphere to pass from the repeater base toward the modules so that cooling atmosphere may pass over the high-density subscriber line modules through the barrier and the gaps between the printed circuit boards.

REFERENCES:
patent: 4315300 (1982-02-01), Parmerlee et al.
patent: 4447856 (1984-05-01), Takahashi et al.
patent: 4514746 (1985-04-01), Lundqvist
patent: 4549602 (1985-10-01), Espinoza
patent: 4935845 (1990-06-01), Schwehr et al.
patent: 5121290 (1992-06-01), Azar
patent: 5398161 (1995-03-01), Roy
patent: 5450272 (1995-09-01), Van Gaal et al.
818-/819-Type Repeater Cases; Description, Installation, Splicing, and Maintenance Manual; AT&T, Undated, admitted prior art.

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