Network connection sensing assembly

Details Network connection sensing assembly Network connection sensing assembly

2002-11-07

2003-09-30

Prasad, Chandrika (Department: 2839)

Electrical connectors

With indicating or identifying provision

C439S489000, C340S568200

Reexamination Certificate

active

06626697

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention generally relates to a connector that connects electronic components in a network and more particularly relates to an interconnect module or cassette that connects network components to a sensor component.
In order to better operate large electronic networks, sensor systems have been developed to monitor connections between components within the network. The sensor system typically includes an interconnect module that is retained in a patch panel, or any number of other network structures, and interconnects two separate network components. The interconnect module includes receptacle jacks, such as modular jacks, at a mating face. These jacks receive patch cords that in turn are connected to a first network component. Each patch cord includes an electrical cable comprised of signal wires connected to a plug at one end. The plug is received within a corresponding receptacle jack such that the signal wires in the electrical cable are electrically connected to signal contacts extending from a rear side of the interconnect module. The signal contacts are in turn connected to a second set of signal wires that extend to a second network component. Thus, the interconnect module electrically interconnects the first and second network components.
Conventional interconnect modules are joined with separate sensor configurations that enable the network to determine when a plug is joined with a receptacle jack.
FIGS. 5 and 6
illustrate a conventional interconnect module
600
in combination with a conventional sensor configuration. The sensor configuration includes a separate flexible etched circuit (FEC)
602
containing several sensor contacts
604
arranged on a strip
606
. The strip
606
is glued to the face plate
608
near the receptacle jacks
610
. Traces extend from each sensor contact
604
along the length of the FEC
602
across the front of the face plate
608
to a first connector
612
that extends from a side of the interconnect module
600
. The first connector
612
is then connected to a second connector (not shown) that is connected to a sensor component (not shown). Alternatively, the first connector
612
may be positioned to extend from the rear side of the interconnect module
600
instead of from the front side.
Each plug includes a sensor probe connected to a sensor wire that carries signals between the sensor probe and an associated network component. When the plugs are fully inserted into the receptacle jacks the sensor probes contact and electrically engage the sensor contacts
604
on the FEC
602
to create a sensor circuit. The sensor component may then be used to monitor and record the connections of network components throughout the network. For example, if one network component is connected to the wrong server, a network shutdown or outage may occur which could be very costly. The sensor component determines where the faulty connection is located and determines how long it has existed in order that the outage may be quickly remedied. Additionally, the sensor component may be used to determine whether unauthorized parties are connected to a component within the network and thus improve network security.
However, the conventional interconnect module
600
suffers from several drawbacks. The FEC
602
is expensive and attaching the FEC
602
to the interconnect module
600
requires the use of adhesives and registration of the sensor contacts
604
proximate each receptacle jack
610
. The process of installing the FEC
602
is thus time consuming and difficult, especially when the interconnect module
600
is located in a space-constrained network structure. Also, the first connector
612
is typically connected to the FEC
602
while the FEC
602
is attached to the interconnect module
600
. The second connector hangs from the front side of the interconnect module
600
and is thus easily damaged during installation and use. Also, the second connector takes up a great deal of space which renders the interconnect module
600
difficult to install in space-constrained network structures. The interconnect module
600
requires cables and a second connector to connect the first connector
612
to the sensor component. The connectors and cables take up space and increase the risk of an unintentional disconnection and also limit the adaptability of the interconnect module
600
by presenting a more complicated structure of components to consider when adding or changing connections. In addition, the cables preferably should be selected at the time of installation of the FEC
602
to have a fixed length in order that loops of extra cable are not situated at the patch panel. Further, if any receptacle jack
610
needs to be removed or added, the entire FEC
602
, which covers a portion of the receptacle jacks
610
, has to be removed and replaced. Also, positioning the first connector
612
to extend to the rear side of the interconnect module
600
requires a difficult and expensive mechanical routing process that requires removal or modification of components already on the rear side of the interconnect module
600
.
A need remains for an interconnect module that overcomes the above problems and addresses other concerns experienced in the prior art.
BRIEF SUMMARY OF THE INVENTION
Certain embodiments of the present invention provide a connector assembly comprising a housing having a jack interface that has a receptacle jack therein, which is configured to receive a plug. The connector assembly also includes a sensor bezel removably attachable to said jack interface. The sensor bezel includes an outer frame configured to engage the jack interface. The sensor bezel also includes jack cavities extending therethrough to allow passage of a plug when inserted into said receptacle jack. A sensor array is removably or permanently secured to the outer frame proximate the jack cavities. The sensor array comprises a sensor contact overlaying the jack interface. The sensor contact is aligned with, and configured to engage, a sensor probe associated with a plug insertable into the receptacle jack.
The sensor bezel may be snapably secured to the jack interface without glue or adhesive material. Optionally, the sensor bezel may be secured through the normal force of the bezel pins within the pin receptacles of the connector. The sensor array may be is a flexible circuit, a printed circuit, a lead frame, or separate and distinct contacts that may be integrally formed with, or removably secured within, the sensor bezel.
The sensor bezel comprises sensor strip pins extending outwardly from a rear surface of the sensor bezel. The strip pins are electrically connected to the sensor strip, and are configured to be received and retained within sensor strip receptacles formed within the jack interface of the housing. The sensor strip is electrically connected to sensor pins of the sensor bezel through traces. The sensor pins are configured to be mated with sensor pin receptacles formed within the housing. The housing may be an interconnect cassette comprising signal and sensor input/output (I/O) interfaces located on a front or rear surface of the interconnect cassette. The signal and sensor I/O interfaces electrically connect to the receptacles jacks and the sensor strip, respectively.


REFERENCES:
patent: 4237386 (1980-12-01), Instance
patent: 5178554 (1993-01-01), Siemon et al.
patent: 5347095 (1994-09-01), Zeder
patent: 5434558 (1995-07-01), Zeder
patent: 5483467 (1996-01-01), Krupka et al.
patent: 5870626 (1999-02-01), Lebeau
patent: WO 00/60475 (2000-10-01), None

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