Low-cost multi-shelf cabling arrangement

Details Low-cost multi-shelf cabling arrangement Low-cost multi-shelf cabling arrangement

1998-09-30

2001-01-16

Sircus, Brian (Department: 2839)

Electrical connectors

With flaccid conductor and with additional connector spaced...

C439S130000

Reexamination Certificate

active

06174196

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
To provide a wiring cable connector with a cross-over backplane wiring to enable a single cable to be utilized for connecting a group of signals from an interface circuit to a central location.
2. Description of Background Art
Hithertofore, a unique hand-wired cable system was needed to permit a plurality of interface units to be wired back to a central location. More specifically, common sensors at the interface unit would require a common cable to be hand-wired from the common sensors by utilizing T-connections and thereafter be wired back to the central location to permit common signals or common alarm signals to be transferred back to the central location.
For example, if four interface units are arranged on four shelves, it would normally be necessary to hand-wire one common cable with wires for connecting the common signals connected by T-connections to the four interface units. The common signals could be common alarm signals such as an electrical failure, battery on discharge, etc. In addition, four cables would be necessary for unique signals connected to the four interface units. The unique signals could be alarm signals dedicated to specific or unique alarms such as door open or fan failure for each of the four central terminal units.
The complicated hand-wiring for the common signals and the use of dedicated cables for each of the interface units is expensive.
SUMMARY AND OBJECTS OF THE INVENTION
It is an object of the present invention to design a connection system with a cross-over backplane to permit common signals and unique signals to be connected from an interface unit to a central location.
It is a further object of the present invention, to permit an inexpensive, conventional cable to be used to permit multiple interface units to be wired for a plurality of signals by utilizing conventional twenty-five pin wiring.
The present invention avoids the need to hand-wire dedicated cables for use to route signals. In addition, it is not necessary to form T-connections to permit cross-connection of the common signals.
The present invention permits the use of printed paths on a multi-layer back-plane to be disposed in the in and out connections for connecting the common signals together and for permitting appropriate connections for the plurality of individual signals to be connected to the appropriate interface units.
Further scope of applicability of the present invention will become apparent from the detailed description given hereinafter. However, it should be understood that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.


REFERENCES:
patent: 4626846 (1986-12-01), Parker et al.
patent: 5128855 (1992-07-01), Hilber et al.
patent: 5308926 (1994-05-01), Auerbuch et al.
patent: 5897399 (1999-04-01), Emery

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