Telephone main distributing frame

Details Telephone main distributing frame Telephone main distributing frame

1978-12-28

1980-05-20

Brigance, Gerald

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific current responsive fault sensor

361428, 361429, H04Q 114

Patent

active

042040957

ABSTRACT:
A main distributing frame for telecommunication lines adapted for single-sided administration and comprised of vertical supports adapted to extend between floor and ceiling approximately one inch in depth and spaced on seven inch centers. Intravertical jumpering is accomplished via three horizontal cable troughs, normal jumpering being routed through centrally disposed and lower troughs, with special service jumpering being run through an upper trough, thereby minimizing jumper congestion and build-up. Outside cable pairs may be cabled either through the top or the bottom of the frame, which may be aisle mounted, or may be mounted against a wall surface either parallel to or perpendicular to the equipment, thereby minimizing inter-aisle cabling.

REFERENCES:
patent: 3780351 (1973-12-01), Salmon et al.
patent: 3801873 (1974-04-01), Stumpf et al.
patent: 3927277 (1975-12-01), Wuyts et al.
patent: 4002856 (1977-01-01), Sedlacek et al.
patent: 4117273 (1978-09-01), Gautier et al.
patent: 4158754 (1979-01-01), Yonezaki et al.

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