The invention relates to a connector assembly for use with an electrical connector which can accommodate multiple configurations, and can include power over ethernet.
It is desirable in today's marketplace, given the building infrastructure, to provide power over ethernet cable, thus providing power directly to a modular jack interface. A common modular jack interface is the so-called RJ-45 modular jack, which provides eight or more contacts, and which mates with a like modular plug.
Thus, providing power through the ethernet cable (otherwise referred to as Power-Over-Ethernet or POE) allows some power to be delivered at an ethernet interface, where power is not otherwise available. It is known to provide approximately 16 watts through ethernet cable, whereby the power is available as a DC source at the ethernet interface. This could be used as a power source for phone usage, or to trickle charge batteries such as cell phone or laptop batteries. In this case, however, power over ethernet control cards are provided, whereby the power is controlled and conditioned to the interface of the ethernet connection.
One way of accomplishing this task is to provide a connector device on a motherboard, which receives a power over ethernet control card, which thereafter is connected to a further electrical connector device having the interface. In such cases, valuable real estate is taken up on the motherboard and also further complicates both the motherboard patterns as well as requires redundant connection devices.
Moreover, from a connector-manufacturing standpoint, it is desirable to provide as many options as possible to the user and yet not require multiple and/or redundant component parts.
One multi-port electrical connector is shown in U.S. Pat. No. 6,655,988 and assigned to the present assignee, and is incorporated in its entirety herein.
Thus, the objects of the invention are to provide a connection system consistent with the needs described above.
The objects of the invention have been accomplished by providing a universal multi-port jack assembly, comprising a multi-port electrical connector housing having a plurality of housing ports adjacent a mating face of the connector housing. A plurality of electrical connection devices are positioned with first mating contact portions adjacent the mating face, and are adapted for mating engagement with a plurality of electrical connectors in the housing ports. A plurality of second mating contact portions extend rearwardly in a common patterned configuration. A main board is positioned adjacent to a rear of the connector housing and has a first common electrical interface, being electrically interconnected to the second mating contact portions. The main board further comprises a second common electrical interface being electrically connectable with a third common electrical interface on a motherboard. The main board has any one of a plurality of configurations, wherein the plurality of configurations include:
a first configuration wherein the main board is circuit traces only, the main board functioning to electrically interconnect the plurality of electrical connection devices to the mother board through a first designated subset of the second and third common electrical interface;
a second configuration wherein the main board has circuit traces for electrically interconnecting the plurality of electrical connection devices to the mother board through a first designated subset of the second and third common electrical interface, and the main board is enabled to receive conditioned electrical power signals for power over ethernet through a second designated subset of the second and third common electrical interface; and
a third configuration wherein the main board has circuit traces for electrically interconnecting the plurality of electrical connection devices to the mother board through a first designated subset of the second and third common electrical interface, and the main board further comprises an electrical connector interconnected to the main board, and wherein a further power over ethernet conditioning board may be connectable directly therewith, whereby the main board is adapted to receive unconditioned electrical power signals for power over ethernet through a second designated subset of the second and third common electrical interface, and route them through the further power over ethernet conditioning board, and then through the first mating contact portions.
The second common electrical interface may be comprised of edge contacts on the main board and a printed circuit board edge card connector interconnected thereto, the edge card connector having edge card printed circuit board contacts which are configured to match the third common electrical interface on the motherboard. The universal multi-port jack assembly can also include an outer shield in surrounding relation to the assembly wherein the shield has opening ports to access the housing ports, and the edge card printed circuit board contacts extend outside of said shield. The shield may include a knock-out portion overlying the position of the electrical connector, in the case of the third configuration.
The first mating contact portions of the electrical connection devices may be comprised of electrical terminals configured as modular jack terminals, the terminals including reversely bent portions adjacent the housing ports and the electrical terminals being interconnected to a printed circuit card having signal conditioning devices thereon, and the plurality of second mating contact portions of the electrical connection devices are comprised of printed circuit tines interconnected to the printed circuit card and profiled for interconnection with the first common electrical interface. The printed circuit tines may be press fit style contacts.
In another embodiment of the invention, a universal multi-port jack assembly, comprises a multi-port electrical connector housing having a plurality of housing ports adjacent a mating face of the connector housing. A plurality of electrical connection devices are positioned with first mating contact portions adjacent the mating face, and are adapted for mating engagement with a plurality of electrical connectors in the housing ports, and a plurality of second mating contact portions extending rearwardly in a common patterned configuration. A main board is positioned adjacent to a rear of the connector housing and has a first common electrical interface, being electrically interconnected to the second mating contact portions, and the main board further comprising edge contacts adjacent to an edge thereof. A printed circuit board edge card connector is interconnected thereto, the edge card connector having edge card printed circuit board contacts which are configured to the third common electrical interface on agro motherboard. An outer shield is positioned in surrounding relation to the assembly wherein the shield has opening ports to access the housing ports, and the edge card printed circuit board contacts extend outside of the shield.
In a first configuration, the main board comprises circuit traces only, the main board functioning to electrically interconnect the plurality of electrical connection devices to the mother board through a first designated subset of the second and third common electrical interface.
In a second configuration, the main board comprises circuit traces for electrically interconnecting the plurality of electrical connection devices to the mother board through a first designated subset of the second and third common electrical interface, and the main board is enabled to receive conditioned electrical power signals for power over ethernet through a second designated subset of the second and third common electrical interface.
In a third configuration, the main board comprises circuit traces for electrically interconnecting the plurality of electrical connection devices to the mother board through a first designated subset of the second and third common electrical interface, and the main board further comprises a first electrical connector interconnected to the main board, and wherein a further power over ethernet conditioning board may be connectable directly therewith, whereby the main board is adapted to receive unconditioned electrical power signals for power over ethernet through a second designated subset of the second and third common electrical interface, and route them through the further power over ethernet conditioning board, and then through the first mating contact portions.
In the third configuration, the shield may include a knock-out portion overlying the position of the first electrical connector. The main board lies in a vertical plane adjacent a rear of the connector housing. The power over ethernet card has control circuitry thereon, and has a second electrical connector connected to the first electrical connector, with the power over ethernet card lying parallel with the main board. A heat reduction device may be positioned on the power over ethernet card. The heat reduction device may comprise a fan or a heat sink.
The first mating contact portions of the electrical connection devices may be comprised of electrical terminals configured as modular jack terminals, the terminals including reversely bent portions adjacent the housing ports and the electrical terminals being interconnected to a printed circuit card having signal conditioning devices thereon, and the plurality of second mating contact portions of the electrical connection devices are comprised of printed circuit tines interconnected to the printed circuit card and profiled for interconnection with the first common electrical interface. The printed circuit tines may be press fit style contacts.
The universal multi-port jack assembly may also further comprise an indicator member for indicating the condition of the plurality of electrical connection devices. The indicator member may be comprised of light emitting diodes positioned on the main board, with light pipes extending from the diodes to a position adjacent to the housing ports, whereby the light may be seen from a front of the assembly.
In yet another embodiment of the invention, a multi-port jack assembly has integrated power over ethernet, and comprises a multi-port electrical connector housing having a plurality of housing ports adjacent a mating face of the connector housing. A plurality of electrical connection devices are positioned with first mating contact portions adjacent the mating face, and are adapted for mating engagement with a plurality of electrical connectors in the housing ports, and a plurality of second mating contact portions extending rearwardly in a common patterned configuration. A main board is positioned adjacent to a rear of the connector housing and has a first common electrical interface, being electrically interconnected to the second mating contact portions, the main board further comprises a second common electrical interface being electrically connectable with a third common electrical interface on a motherboard. The main board has circuit traces for electrically interconnecting the plurality of electrical connection devices to the mother board through a first designated subset of the second and third common electrical interface, and the main board further comprises an electrical connector interconnected to the main board. A power over ethernet conditioning board is directly connected to the main board, whereby the main board is adapted to receive unconditioned electrical power signals for power over ethernet through a second designated subset of the second and third common electrical interface, and route them through the power over ethernet conditioning board, and then through the first mating contact portions.
The second common electrical interface may be comprised of edge contacts on the main board and a printed circuit board edge card connector interconnected thereto, the edge card connector having edge card printed circuit board contacts which are configured to match the third common electrical interface on the motherboard. The outer shield is in surrounding relation to the assembly of the connector housing, electrical connection devices and main board. The outer shield includes a knock-out portion overlying the position of the electrical connector, and the power over ethernet conditioning board is positioned outside of the shield and interconnected to the electrical connector.
The main board lies in a vertical plane adjacent a rear of the connector housing, and the power over ethernet card has a second electrical connector connected to the first electrical connector, with the power over ethernet card lying parallel with the main board. A heat reduction device may be positioned on the power over ethernet card, and may be comprised of a heat sink or a fan.
The invention will now be described by way of reference to the drawings wherein:
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The subassembly further includes a jack housing 50, having an insulative housing 52, where the housing includes locating side walls 54, having locating pegs 56 at a front end thereof, and locating lugs 58 on a bottom surface thereof. The jack further includes electrical terminals 60 profiled as modular jack terminals, having reversely bent contact portions 62 and printed circuit board tines 64.
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Housing 10 further includes vertical walls 144, which define vertically stacked pairs of ports 122, where each of the walls includes a locating groove 146, which as should be appreciated, is profiled to receive the pair of side edges 54 (
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In the case of main board 22, that is, where the main board 22 is enabled for use with a power over ethernet control card, no connector 16 is required. In this case, the contacts 162b provide the identical function as in the case of the integrated main board 14, that is, providing the direct interconnect between the circuit board contact portions 168 and the data contacts of the modular jacks. However, in the case of the power contacts 162a, while they are still interconnected to traces 180a on the board 22, these traces 180a are directly interconnected to the various power contacts 38b of the modular jack subassemblies 12. Said differently, in the case of the enabled version of
Finally, and in another configuration, where no power over ethernet card is required, a card similar to 22 can be provided but be slightly modified in its overall function. If no power over ethernet is required, then contacts 162a could be omitted, or they could be used for mechanical retention of the connector 18 to the board, but the through-holes to which they connect would be dummy holes only for mechanical-retention purposes. In other words, in the version where no power over ethernet is required, no power is transferred through contacts 162a, which can be accomplished in one of two ways as described above.
In either event, that is, with either main board 14 or 22, it is preferable to provide an indication of the condition of the various ports, and for that purpose light emitting diodes (LEDs) 182 are provided on each board 14, 22 as shown in
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As should be appreciated, front wall 242 includes a plurality of openings 260 appropriately positioned to be aligned with the plurality of ports defining the modular jack assembly. Each opening 260 is flanked by a pair of grounding tongues 262, which are biased inwardly so as to contact a shielded modular plug upon interconnection thereof. Side walls 250 further include grounding tongues 264, while bottom wall 254 includes grounding tongues 266 and top wall 240 includes grounding tongues 268. Side walls 250 also include grounding tines 270 and rear wall 244 includes tines 272. As is well known in the art, shield 20 includes latching detents 274 at the end edge of side walls 250, which are profiled to latch with apertures 276 in rear wall 244, when rear wall 244 is rotated into position. Top wall 240 also includes pairs of connection slots 278, as will be described further herein. Finally, rear wall 244 includes a knockout portion at 280 connected to rear wall 244 only by links 282 for easy removal thereof. It should also be appreciated that the location of the knockout 280 is positioned so as to overlie the connector 16 of main board 14.
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A second configuration is where main board 22 has circuit traces for electrically interconnecting the plurality of modular jack contacts 60 to the motherboard through the designated subset of contacts 162b. In addition, the main board 22 is enabled to receive conditioned electrical power signals for power over ethernet through another designated subset of traces 180a and 180b and contacts 162a.
Finally, a third configuration of the overall connection system provides for main board 14 having circuit traces for electrically interconnecting the modular jack contacts 60 to a motherboard through the designated subset of traces 180b and contacts 162b, and in addition, the main board 14 provides an electrical connector 16 interconnected to the main board. A further power over ethernet conditioning board is connectable directly with connector 16, whereby the main board is adapted to receive unconditioned electrical power signals for power over ethernet through a second designated subset of contacts 162a and route them through the power over ethernet conditioning board and then through designated ones of the modular jack contacts 60.
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This is a divisional application of application Ser. No. 10/868,986 filed Jun. 16, 2004 now U.S. Pat. No. 7,052,315.
Number | Name | Date | Kind |
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6837742 | Chou et al. | Jan 2005 | B1 |
Number | Date | Country | |
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20060166550 A1 | Jul 2006 | US |
Number | Date | Country | |
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Parent | 10868986 | Jun 2004 | US |
Child | 11396162 | US |