Telephonic communications – Centralized switching system – Structure of equipment
Patent
1998-06-23
2000-08-15
Leja, Ronald W.
Telephonic communications
Centralized switching system
Structure of equipment
379331, 439 49, 361104, 361622, H04M 500
Patent
active
061048054
ABSTRACT:
A building entrance protector swivel cable mounting arrangement without a feed through hole requirement has an output wire termination device, a barrier wall comprises a fire-resistant plate for isolating the swivel cable from the output wire termination device within the building entrance protector. The fire-resistant plate has a narrow opening comprised of a primary aperture and a wiring access slot. The wiring access slot permits insertion of terminated individual wiring into the primary aperture. A method in accordance with the present invention is also described.
REFERENCES:
patent: 4516818 (1985-05-01), Johnston et al.
patent: 4731501 (1988-03-01), Clark et al.
patent: 5363440 (1994-11-01), Daoud
Leja Ronald W.
Lucent Technologies - Inc.
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