CN104104541A

CN104104541A - Termination cap for use in wired network management system

Info

Publication number: CN104104541A
Application number: CN201410339164.7A
Authority: CN
Inventors: 奥古斯托·P·帕内拉; 埃利奥特·A·贝恩斯; 林政德
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2008-10-07
Filing date: 2009-10-07
Publication date: 2014-10-15
Anticipated expiration: 2029-10-07
Also published as: CN104104541B; WO2010042589A1

Abstract

A termination cap for use in a work area outlet including an end face for terminating a plurality of data lines, and the termination cap is provided with a preselected impedance sensing circuit for connecting two terminated data lines, and comprises a insulated main body portion having opposite first and second sides, wherein the first side comprises a plurality of joint members for being jointed with the end face, the joint members being arranged in different two rows spaced apart, and the second side supports a circuit substrate arranged thereon. The main body portion comprises a slot of the main body portion arranged in a hollow gap and extending between the first and second sides and a pair of conductive terminals. The circuit substrate comprises a sensing circuit of en electronic element connected to the terminal. When the termination cap is attached to the end face, the joint member is jointed with the end face and the terminal contacts with two data lines to limit the sensing circuit between the two data lines with certain impedance.

Description

End cap for wired network management system

The application enters dividing an application of " for the end cap of wired network management system " that the application number in China national stage is 200980144600.2 for 2011 for 05 month on the 09th.

the cross reference of related application

The present invention requires the U.S. Provisional Patent Application the 61/103rd of first submit, and No. 487 and the 61/103rd, the priority of No. 532, these two patent applications are filed on October 7th, 2008.The content of each patent application of these first submits is incorporated to herein in full by reference.

Technical field

The present invention relates generally to architecture management system, and more particularly, relates to system, assembly and parts for management infrastructure resource.

Background technology

Be present in computing network in large corporation and consist of the equipment of two types, this equipment of two types must be connected to each other, to form available data network.These equipment, are also known as resource in the prior art, are conventionally classified into end user device and networked devices.The example of end user device comprises personal computer (PC), ip voice (VoIP) phone and the network printer.The typical local area network (LAN) (LAN) of large enterprise can comprise thousands of end user devices, and these end user devices are deployed in each office in whole place or in the enterable public area of terminal use.In addition, data network also comprises the network equipment conventionally, for example, forms switch and the router of network core.These networked devices are used for the packet between the network equipment on LAN or between the wide area network of DuiLANYu compare major company (WAN) to carry out route, or route a data packet to the Internet.These network equipments are usually located at the Central Control Room that is known as wiring closet and data center.

The network connectivty situation of each end user device, the physical location of end user device need to be known by the information technology of these mechanisms (IT) department, and need to identify as quickly as possible source and the position of any mistake or problem.To the tracking of end user device, be crucial, for example for the existence of end user device in the object monitor network avoiding damage whether, or in order to ensure end user device, being physically correctly arranged on terminal use can carry out, in the office of optimum utilization or on floor, maintaining the exact connect ion of network to it simultaneously.At present, still not for following the tracks of the system of the unified standard that is connected to the end user device of network and the physical connection state of monitor network.

Open system framework (OSI) model description the layered communication in computer network." layer 1 ", physical layer has defined network and all electric and physical specification that is connected to the end user device of network.For example, Institute of Electrical and Electronics Engineers (IEEE) standard 802.3 has defined the standard of the wired ethernet generally using in computing network.As a part for IEEE802.3 standard, also the physical layer of ethernet network is defined.The example of the physical layer key element defining in IEEE802.3 standard comprises that voltage and signaling protocol, cable require and terminal impedance.

For end user device is connected to the network equipment, the network equipment in wiring closet or data center need to be connected to end user device according to the user's of LAN particular requirement.Every paths from switch to end user device is all known as channel.The representative configuration that the physical layer of LAN channel connects is by the patch cord between switch ports themselves and patch panel port, from one section of multiple-twin cable and the patch cord from delivery outlet to end user device to the service area delivery outlet of terminal use's office after patch panel port, forms.Each in these ports is all modular jacks, thereby and is designed to meet industry standard specifications and receive engages patch plug (patch plug).

In telecommunications room or the management of the patch cord of service area equipped at outlet port to IT management group, problem has been proposed.Whenever employee is employed, employee's decorporation or while changing position, inevitably, must connect and disconnect transit cable.Wiring closet has a plurality of switches, terminal block and patch cord conventionally, sometimes with hundreds of and be numbered more.Patch cord conventionally coils and moves ahead each other, thereby makes the operation of adding, remove or follow the tracks of patch cord become difficult and consuming time.When new transit cable being connected in system or need to mobile transit cable time, technical staff enters wiring closet, and must be hundreds of or may search appropriate cable in thousands of patch cords.Then, technical staff must search the proper port on suitable terminal block and these terminal blocks.Finally, technical staff must be connected to patch cord the correct port on terminal block, and confirms that this connection correctly completes.Once connect patch cord, not yet found for determining whether patch cord is connected to simple, the cost performance method high and time-saving and efficiency of correct port.For example, technical staff may must go to the network port or the end user device being positioned at such as the remote location place of personal office, with determine whether transit cable is properly inserted into and network whether be connected to Energy Resources Service be available.Therefore, the workload of connection and transport network resources is very large.

In addition, IT department not yet finds the effective ways of the accurate location of determining the network problem that is attributable to physical layer.For example, if patch cord does not correctly connect, problem may be present in switchboard room, or problem may be present in the wiring from switchboard room to end user device.IT department not yet finds at present and determines whether network problem is present in the effective ways in physical network wiring.Therefore, need a kind of better information management system, the step that it comprises simplification order identification terminal subscriber equipment, at least reduces the parts that move and check the end user device required time on network.

Another aspect of considering is that LAN may have a large amount of not uses or standby permanent link.Standby permanent link refers to the stube cable from terminal block to service area delivery outlet, but the network equipment not connecting by patch cord and/or end user device.The in the situation that this link conventionally remaining in LAN layout to moves, increases employee or change, guarantee suitable capacity, or under disaster recovery situation, guarantee extra capacity.The problem that at present IT manager faces is: before standby permanent link comes into operation, to them, to retest to check connectedness be very difficult and be consuming time.Therefore, can not carry out routine test to most standby permanent link, if the connectedness of link existing problems, this problem may until permanent link as the part of the working channel Shi Caihui that is activated, be found.Find fault to and it is carried out to reparation can cause and postpone and increase extra charge.

Har-Lev, at disclosed United States Patent (USP) the 6th on July 8th, 2003, has described the terminal organ unit using in routing network for 590, No. 374, for name and check the normal condition of wiring for delivery outlet.This terminal organ comprises the connector with a plurality of contacts and one group of resistor.First group of resistor is connected between common point and selected contact, thereby determines concrete binary code according to the concrete combination that is connected to the resistor of contact.

For the end user device of all connections is carried out to list or registration, and for it is catalogued, need to all of the port of network be carried out regular detection or be detected.This cataloguing need to be carried out " pinging " order to each connectivity port on network, and collects data from the end user device connecting.For the interruption times of limiting network, this programs of network intensive model carries out being no more than once conventionally every month.Therefore, expect a kind ofly when end user device is connected to network, all can provide up-to-date information and without carrying out the system of detecting of system-wide more frequently.

Summary of the invention

Therefore, being to provide of catalogue of the present invention is a kind of for monitoring the improved system of the network with a plurality of service areas delivery outlet being connected with different terminals subscriber equipment, and this system contributes to network catalogue and end user device is monitored.

Another object is to provide a kind of being used in having the terminal unit in the system that wired computing network of a plurality of end user devices monitors, described terminal unit comprises: cap portion, described cap portion is constructed to engage with the end face pairing that is connected to the service area delivery outlet of described computing network, described cap portion comprises at least one supported electronic component thus, described electronic component has particular measurement value, by this particular measurement value, can measure the impedance variation of described system, and form parallel system circuit with described network cable, and described cap portion also comprises at least one pair of and the terminal of the relative termination contact of described service area delivery outlet, thereby when coordinating with described network socket, seals described cap portion described parallel circuits.

Another object is to provide a kind of end cap being used in wired computing network with a plurality of service areas delivery outlet, wherein said end cap comprises the shell of insulation, support and to be arranged on the substrate of the resistive element in resistance circuit and at least two thereon and to extend from it terminal that corresponding relative bonding terminal with the end face with described service area delivery outlet coordinates, described terminal unit comprises a plurality of engagement members outstanding and relative with being formed on slit the end face of described service area delivery outlet from it, thereby the terminal of described end cap be aligned to align with described engagement member protected thus, thereby and described terminal is aligned to two selected terminals of described service area delivery outlet and aligns described resistance circuit is parallel-connected to described service area delivery outlet.

Another object is to provide the data of system or the end cap of computer network whether a kind of end user device that is connected to network for having monitoring exists.Described end cap comprises sensing element or the circuit of the selected end sub-connection right from two groups of different differential signal lines of described service area delivery outlet, described sensing element has the preliminary election influence value of the described system impedance of impact, thereby make when described end cap is connected with described service area delivery outlet, in the network cable that leads to described service area delivery outlet, there is the first influence value, the influence value that this first influence value is different from infinity and is different from described end user device, and can through scanner, remotely read at described service area equipped at outlet port, thereby judged whether that thus end user device is connected to described service area delivery outlet, thus for supervisory control system provide a kind of judgement when end user device be connected to the method for the ad-hoc location on described network.

Another object is to provide a kind of connective method of the service area delivery outlet for monitor data communication network, implementation is by providing the service area delivery outlet of a series of interconnection as network, and network cable is connected to described service area delivery outlet, and the terminal unit that is provided for each service area delivery outlet, described terminal unit stops two in each network cable line, described terminal unit has the resistance circuit of the set-point being arranged in parallel with described service area delivery outlet, then the impedance variation of described service area delivery outlet is monitored, thereby learn when equipment connection removes to described service area delivery outlet or from described service area delivery outlet.

These objects and advantage are achieved by the structure of end cap.The socket that uses in system of the present invention adopt along socket below or the insulation displacement terminal that arranges of end face.Terminal unit or end cap are provided to coordinate with the insulation displacement terminal below that is used in the socket in the delivery outlet of described service area.End cap preferably includes the resistive element being supported on substrate, and it limits resistance circuit.Two conducting terminals are supported by described terminal unit and are arranged in described terminal unit, thereby cross two insulation displacement terminal on described jack terminals face or be in contact with it.Thereby arrange described terminal, make it and end at two groups of termination contact that different differential signal lines are right, and right any termination contact with ending at differential signal line not.Like this, differential signal line between rather than at differential signal line, internally form connection.In this way, terminal unit of the present invention utilizes existing network layout and does not need the 9th line or the approach switch in the delivery outlet of service area, and some supervisory control systems are also like this.

The terminal of described terminal unit have enough degree of depth with described termination contact, but can to insulation displacement terminal is scattered, may not damage greatly the integrality that described network cable line connects.Described terminal causes the circuit on the substrate being supported by terminal unit, and this circuit comprises the electronic component with preliminary election measured value, and this preliminary election measured value will change the impedance of cable and/or service area delivery outlet when being connected to network.Described electronic component is selected from resistor, capacitor, inductor or their combination conventionally.Typically, electronic component is selected as resistive element.Select the value of this resistive element to make the impedance of its ethernet end-user's equipment than approximately 105 ohm large, and it is less than the i.e. infinity of open-circuit impedance.Thereby the wiring of the Difference signal pair that described terminal is different from two groups contact provides parallel port resistance circuit, therefore when described service area delivery outlet does not have end user device to be connected with it, described system can read the resistance of described terminal unit, and when having end user device to be connected to described service area delivery outlet, described system can read the resistance of described end user device.

Although in a preferred embodiment, used resistive element and the resistance value as system by influence value, also can use affects the other electron component of system impedance and can be used to the result that provides similar, and above-mentioned electronic component is resistor, capacitor, inductor, above-mentioned two or all three s' combination for example.All these elements all can affect the impedance of the system that comprises network cable and when end cap stops, understand closed parallel circuits path, thereby the value of sensing element are become to the different measured value that is used to indicate network others condition.When end cap is also fashionable, end cap just connects from the different tie points of network, so just can measure connectedness and the state of network.These tie points confirm that at needs network cable or patch cord exist part to select by Web designer.

By considering following embodiment, can more clearly understand these and other object of the present invention, feature and advantage.

Accompanying drawing explanation

In the process of this embodiment explanation, will be continually with reference to accompanying drawing, wherein:

Fig. 1 shows the system schematic of the computing network that comprises the terminal block, scanner and the server that have wherein adopted terminal unit of the present invention;

Fig. 2 is the sketch that has been incorporated to the computing network of system of the present invention, shows the layout of the patch cord of network and end user device and interconnection;

Fig. 3 A is the decomposition diagram of the network socket using in the service area delivery outlet of system of Fig. 1 and the embodiment of the end cap coordinating with this socket;

Fig. 3 B is identical with Fig. 3 A, but there is no end cap, and shows the socket shutter that makes the open position that socket internal terminal exposes;

Fig. 3 C has the sketch that shutter triggers the network socket of sensing circuit, and wherein socket shutter is closed, and sensing circuit and service area delivery outlet disconnect;

Fig. 3 D is the view identical with Fig. 3 C, but socket shutter is positioned at aperture position place and sensing circuit is connected to service area delivery outlet;

Fig. 4 is the view identical with Fig. 3, but after taking from, has network service cable in position;

Fig. 5 is the view similar to Fig. 4, but shows socket and the terminal member being arranged on circuit board;

Fig. 6 is the view identical with Fig. 5, but has for the sake of clarity removed network cable;

Fig. 7 is the decomposition diagram of structure shown in Fig. 7;

Fig. 8 is the view identical with Fig. 6, but has for the sake of clarity removed terminal unit spaced apart with the end face of socket;

Fig. 9 is the end view of Fig. 8, only illustrates socket and end face thereof, and shows the insulation displacement terminal of the end face of Fig. 8;

Figure 10 is the view identical with Fig. 9, but terminal unit engages and network cable is ended to this with jack terminals face;

Figure 11 is the perspective view of the terminal unit of Fig. 6;

Figure 12 is the exploded view of Figure 11;

Figure 13 is the view identical with Figure 12, but have, remains on the terminal that terminal unit body divides interior appropriate position;

Figure 14 is the view identical with figure, but after taking from, shows the terminal of the terminal unit in that is arranged in two row engagement members;

Figure 15 is the plane graph below of terminal unit of Figure 14;

Figure 16 is the profile along the terminal unit of the line 16-16 intercepting of Figure 15;

Figure 17 A is the schematic diagram of the network of Fig. 2, shows four groups of differential signal lines pair of network cable, and being connected between the impedance circuit of end cap and service area equipped at outlet port electric wire;

Figure 17 B is the schematic diagram of the connection between network cable, end cap, service area delivery outlet and network drive; And

Figure 18 is the figure of the alternate embodiment of the sensing apparatus that uses in network.

Embodiment

Description is below intended to provide to those of ordinary skill in the art the operation of exemplary embodiment of the present invention.Will be appreciated that, this description is intended to help reader understanding rather than restriction the present invention.On this point, the elaboration of feature of the present invention or aspect is intended to describe to feature or the aspect of embodiments of the invention, but not implies that each embodiment of the present invention must herewith describe unanimously.

Turn to accompanying drawing and first with reference to Fig. 1, show typical calculating or data transmission network 100, with the environment that shows that terminal block assembly of the present invention is used.The example of this data network is company's electronics computing network, the end user device that it has a plurality of users, network and is connected thereto, and wherein by this company electronics, calculating network of network user can access, exchange and storage data.As used herein, term " end user device " refers to the physical item that is connected to service area delivery outlet and can be operated by any user of network, and without limitation, this physical item can comprise personal computer, phone, printer, facsimile machine, watch-dog or miscellaneous equipment, and term " network equipment " refer to can be by the user access of network but be not must be by the physical equipment of user's operation of network, and this physical equipment can comprise scanner, server, switch, terminal block etc.Preferably, network comprises scanner 102, and it is for monitoring the network equipment that is connected to network 104 and connect via a series of terminal blocks 106.

102 pairs of scanners are connected to network of network equipment and monitor.In one embodiment, scanner 102 use serial datas connections come to communicate with terminal block 106.By switch 109, each terminal block 106 is further connected to a plurality of network equipments or service area delivery outlet 107.By connect the port between terminal block 106 with patch cord, each network equipment can intercom mutually.The all service area delivery outlet of switch 109 on can detection network, to register the end user device being connected thereto, and in this case, catalogues to being connected to all these equipment of network.Server 105 is connected to switch 109, and wherein switch 109 is connected to terminal block 106, and server 105 can indicate switch 109 to survey the connectivity port of terminal block 106.

In special-purpose wiring room, for example, in wiring closet, can together with terminal block 106 plate such with other, be arranged in frame.These terminal blocks 106 have a plurality of independent ports, and wherein cable can be mated, thereby the parts on each plate are linked together.The rear portion of each port has the cable that ends at this, and this cable leads to the service area delivery outlet 107 that end user device 108 can be connected to.Cable can meet ethernet standard, comprises eight electric wires that are arranged to twisted-pair feeder, i.e. four pairs of differential signal lines.A part for the network 104 that the collaborative formation of switch 109, terminal block 106, service area delivery outlet 107 and end user device (being referred to as 108) scanner 102 is monitored.

Fig. 2 is the schematic diagram of an embodiment that comprises the computing network of terminal block, patch cord, the network equipment and end user device.Shown three terminal blocks 112,114 and 116 are arranged in frame and are connected with the network equipment that is connected to the master server 105 of network such as secondary server or driver 118 etc.The second terminal block 114 is connected with another network equipment of public telephone system switch (" PBX ") 120 forms, and the 3rd terminal block 112 is connected to service area delivery outlet and each end user device, for example personal computer (" PC ") 122, the laptop computer 124 being connected with the service area delivery outlet that is arranged in meeting room or like environment, VoIP (" ip voice ") phone 126, facsimile machine 128 and printer 130.A PC123 is connected to the 3rd terminal block 112 by modulator-demodulator 132.In this exemplary embodiment, all these equipment are used the IEEE802.3 standard of so-called ethernet standard to carry out communication for coordination.

In order to play phone, voip phone 126 must be connected to PBX120.Therefore, in this example, VoIP voice call 126 links to the port one on terminal block 112.Patch cord 134 is connected to the port 2 on the second terminal block 114 by the port one on the 3rd terminal block 112.In this example, all of the port on the second terminal block 114 is all wired to PBX120.Therefore, voip phone 126 is connected to PBX120 by patch cord 134.Similarly, facsimile machine 128 and modulator-demodulator 132 are connected to PBX120 by similar patch cord.Facsimile machine links to the port 5 on terminal block 112 and is connected to PBX120 by patch cord 136.Similarly, modulator-demodulator 132 is connected to PBX by patch cord 138.PC122, laptop computer 124 and printer 130 link to respectively terminal block 112.Other patch cord 140 is connected to the first terminal block 116 by each port of each equipment of the 3rd terminal block 112.Therefore, each of PC122, laptop computer 124 and printer 130 all can communicate with server 118.In one embodiment, switch (not shown) can make each terminal use and the network equipment communicate with one another.

In one embodiment, system can be monitored all equipment that is connected to network.For example, master server 105 can be monitored for example address assignment of DHCP (" DHCP ") and Internet protocol (IP) address.At some net environments, the network equipment will obtain IP address from Dynamic Host Configuration Protocol server on being connected to network time.Under this environment, server 105 is used for example Simple Network Management Protocol (" SNMP ") can monitor the distribution of IP address and can detect the equipment of up-to-date connection.SNMP is for monitoring the equipment being connected with network.

The United States Patent (USP) the 6th that Har-Lev announces, has described the application of a kind of terminal organ unit 590, No. 374, and it is used to service area delivery outlet to name and check the normal condition of wiring in network.The terminal organ unit of the ' No. 374 patents need to provide a pair of resistance for every wiring of network service area delivery outlet, thereby these resistance are defined to unique identifier for the object of system monitoring to arranging.Like this, the structure of this terminal organ unit is just very complicated, and by arranging that resistance is worked out the distribution of identifier so that the binary code numeral of developing as identifier just needs a large amount of work.Therefore, it is complicated that the use of this structure just becomes, but also need a large amount of work to install.With respect to the terminal organ unit of the ' No. 374 patents, the invention provides an advantage, low and its application of its expense does not need a large amount of work.

In system of the present invention, example improved terminal system is as shown in Figure 3-4 used for making system to network, to monitor in service area delivery outlet level, and judge that network cable is to the connectedness of other parts of service area delivery outlet and network, and the network equipment is to the connectedness of service area delivery outlet.Fig. 3-4 illustrate the RJ-45 type socket 142 that comprises terminal unit 144, and this terminal unit 144, for each network components is connected together, comprises that the network equipment is to the connection of service area delivery outlet.Socket 142 is for providing service area delivery outlet in for example specific location of meeting room, office or control cabinl pulpit, and wherein equipment can be expected permanent or interim being connected thereto.

Socket 142 has shell 142a and uses a plurality of service areas delivery outlet of a plurality of sockets, and described shell 142a is usually located in the wallboard in office or room, and described a plurality of service areas delivery outlet can be arranged in single room or office.Socket comprises the inner socket 145 for housing apparatus cable, and RJ-45 type socket can hold any plug with Ethernet outlet interworking, and it has eight terminals and is arranged to provide four groups of Difference signal pairs.Can also use for example other a plurality of paired Strip line sockets of RJ-11 type socket.Each terminal 146 in socket coordinates with the respective terminal in network cable (not shown).Socket 142 also can comprise the shutter 148 that receptacle openings is closed.In Fig. 3 A-3B, shutter 148 can be setovered by means of spring 149 and be rotatably installed in socket 142, to make to insert plug rotation or the pivotable of socket 142, the downward bottom rear towards receptacle openings 145 of shutter 148.When pulling out plug from socket 142, shutter 148 bullets are to receptacle openings 145 position above.In this way, shutter 148 prevents that dust from entering socket 142 and providing a kind of and judges whether plug is inserted into the method in socket 142 completely.If plug does not insert completely, the shutter 148 of spring load will eject plug.As described below, shutter can be used to the sensing circuit that provides parallel.

Terminal unit 144 shown in accompanying drawing takes to be generally the cap shape of U-shaped, and comprises the central slot 150 that network cable can pass.End cap 144 is preferably keeping the stress of cable to reduce to be connected between cable and network socket 142.Network cable 156 utilizes insulation displacement technology (" the IDT ") terminal 152 on the end face 149 below that is supported on socket to be connected to socket 142.IDT terminal 152 is through the insulation of each electric wire in network cable, to guarantee being electrically connected between female terminal 142 and network cable line.Floor 154 is arranged on terminal unit 144, thereby the mode that makes terminal unit 144 coordinate and engage with socket 142 is provided.These floors 154 interconnect by the crosspiece 158 being contained at least in part in slit 162, and above-mentioned slit 162 is formed in the jack terminals face 160 of socket and accommodating IDT terminal also.Terminal unit 144 has the structure of common U-shaped or C shape and is wherein provided with central slot 150.

Fig. 4 shows the rear view of service area delivery outlet socket 142, and service area delivery outlet socket 142 comprises the network service area delivery outlet cable 156 that ends at socket, is connected to the end cap 144 of socket 142 in suitable position simultaneously.In end cap 144, be provided with electronic component, and this electronic component is provided preferably with lead-in wire, thereby limits by means of the IDT terminal of socket the sensing circuit contacting with two wires in network cable.Thereby sensing circuit is set, make when end cap 144 matches with jack terminals face, sensing element is connected and the electric wire by network cable 156 forms parallel circuit path.For the concrete sensing element of for example resistor, sense resistor connects by end cap 144, and can read from the resistance of the delivery outlet of opening a way, not connecting or be connected to the different parallel resistance of the resistance of the network equipment of delivery outlet.This electronic induction element can be resistor, capacitor, inductor or the combination of a pair of or all three elements of any two in them.Through the measurement of the sensing element in cable 156 and end cap 144, these three elements all can affect the impedance of system in this position.

In the embodiment of Fig. 3 A-3D, shown resistor 170 is used as has the electronic component of measurable magnitude, thereby two terminals of socket 142 are connected together.Resistor 170 (Fig. 3 C-3D) can be arranged in socket with respect to end cap 144, thereby and be especially arranged on a certain position on shutter 148 and make when the position of shutter in closing, resistor does not contact with the terminal 146 in socket 142, the resistance of systematic survey is to open service area delivery outlet (, be not connected with end user device) time resistance, the infinitely-great resistance value when equipment that demonstrates is not connected to service area delivery outlet.As shown in Figure 3 D, when end user device is connected to service area delivery outlet, in the plug insertion socket 142 of this equipment, shutter 148 moves to open position, and when shutter slides back in socket 142, resistor 170 moves to the selected terminal 146 of socket 142 and contacts, thereby forms the new resistance value that can sense.In Fig. 3 C-3D, illustrate above-mentioned situation, wherein the sliding motion of shutter 148 is contrary with rotatablely moving shown in Fig. 3 A-3B.As shown in the figure, shutter moves between the first service position and the second service position, and wherein when closing shutter, sensing circuit is not connected in parallel with service area delivery outlet and the network cable that is connected thereof.

Also considered alternate embodiment, one of them embodiment is that one or more sensing element (preferably resistor) is installed on shutter 148 in some way, thereby make when closing shutter 148, resistor is connected with service area delivery outlet terminal and/or network cable line.When stube cable is inserted to receptacle openings 145, shutter moves to the position of opening and resistor departs from and contacts with terminal/electric wire, has reduced like this inductive reactance of loading on service area delivery outlet 107.System can record the state that different values is indicated service area delivery outlet 107 in such a manner.

Therefore,, in the specific embodiment of Fig. 3 A-3D, when end user device being inserted in socket 142, different ohmic loads is inserted on the sensing circuit in network cable.The electronic component that carries out sensing can be integrated into terminal block 106, scanner 102, server 105 or other is connected in the special use or multifunctional network equipment of network 104.

Fig. 5-16 show another embodiment of the terminal unit connecting according to the principle of the invention, and the service area delivery outlet 200 shown in it comprises the socket-type shell 202 being arranged on circuit board 204.Shell 202 be insulation and there is the receptacle openings with typical Ethernet socket.The internal terminal 146 of receptacle openings comprises a plurality of end sections 206, is generally eight so that eight lines that use in the layout of four pairs of general differential signal lines in transmitting with Ethernet data match.End section 206 extends through hole or the through hole 208 being arranged in circuit board 204.

End section 206 is connected with the terminal 210 being supported by final element 211, and this final element 211 has end face disposed thereon 212.Can find out, this end face 212 comprises smooth base portion 214 and a plurality of from the outside outstanding pillar 216 of base portion 214.These pillars are arranged to two row and five of every row and are spaced apart from each other, thereby between them, define intermediate gaps 218.Pillar 216 in every row itself is also spaced apart from each other, and is approximately perpendicular to intermediate gaps 218 and the medial slot 220 of extending is spaced apart.Each slit 220 comprises and conducts electricity the IDT of tabular terminal 221 forms, and the tabular terminal 221 that conducts electricity has and is limited to two central slot 222 between relative tip portion 223.The size of central slot 222 is designed to make tip portion 223 to sting into and pass the exterior insulation of electric wire, thereby electric wire and terminal 221 are electrically contacted.Network cable 156 can extend through intermediate gaps 218 at least in part, and its each electric wire scatters and engage with the IDT of end face, and network cable can be from directly extending through the central channel 247 of terminal unit 240 after socket.

With regard to this respect, the form of the cap 241 that terminal unit 240 engages with the end face 212 with socket termination element 211 provides.More specifically incite somebody to action, cap 241 is formed by insulating material, and preferably has smooth base portion 242, and this base portion 242 has depression or the groove 243 that is arranged on wherein and is limited by a plurality of sidewalls 244.Along 242 two opposite edges of base portion, can find a pair of clip 245 as a part for sidewall.Groove 243 holds circuit substrate 246, and as shown in figure 12, this circuit substrate is preferably smooth substrate, and substrate 246 and base portion 242 comprise central channel 247.Can find out, the visual sign 248 of label or paster form can be arranged on the exposed surface of substrate 246 to facilitate installation personnel.Identical with the first embodiment of the present invention, the present embodiment also comprises central channel 247.

Preferably as shown in figure 14, base portion 242 also comprises for engaging the device of service area delivery outlet end face 212.This coupling device 250 is shown two row or two row 251a, 251b of the protruding member 252 being arranged on central slot opposite side.Each row or every a line comprise a pair of isolated sidewall 253a, 253b, sidewall 253a, 253b have the wall 254 of a series of interconnection that extend laterally to sidewall 253a, 253b, the interval that the wall 254 of interconnection has and the slit 220 between the pillar 216 of end face 212 matches.

The wall 254 of each interconnection comprises the central notch 255 being arranged on wherein.The wall 254 of these notches 255 and interconnection all aligns with the IDT of service area delivery outlet end face 212, thereby the wall 254 of interconnection can obviously not contacted with IDT, will they be scattered and can damage the gate oxide integrity of they and cable.Two notch 255a, 255b are darker than other notch 255, thereby and pair of conductive terminal 260 by base portion 242, be supported on this position and make them outwards outstanding from base portion 242.These terminals 260 shown in accompanying drawing are thimble type (Pogo-pin style) terminals and are contained in corresponding hole 261, and these holes 261 have the sufficient length (highly) of the diapire 262 that makes terminal extend through (being greater than) notch 255.

Like this, guaranteed contacting between two terminals 260 (at their tip) and IDT.Expectation thimble type terminal has barrel portion 280, and this barrel portion 280 is with the tip 281 that remains on the spring load in the hole of this barrel portion.Contained spring 283 (shown in Figure 12-16) is outside promotes tip 281, but externally under pressure, can crookedly also retract.Spring makes most advanced and sophisticated to keep in touch in central slot 222 with IDT tip portion 223, but deflection is not so that most advanced and sophisticated 281 can excessively push tip portion 223 open.

In the present embodiment, sensing circuit in parallel is positioned at end cap, rather than in the delivery outlet socket of service area.The circuit that terminal 260 is connected to substrate 246 and is specifically connected to circuit 270 or comprises at least one resistive element (for example resistor 271).In operating process, resistive element 271 is parts of the resistance circuit 270 that extends between the electric wire of two different Difference signal pairs.Ethernet standard cable has four Difference signal pairs, i.e. eight electric wires altogether.In the present invention, terminal 260 be arranged to be formed on two holding wires between the circuit that extends, a line of the first Difference signal pair is connected to a line of the second Difference signal pair, rather than is forming between a pair of electric wire.Can between the right second of four differential signal lines and the 7th line, be connected the resistance that an available resistance value is 1M (million) ohm.This is schematically illustrated in Figure 17 A, has wherein comprised the network cable 156 of four pairs of electric wires with the differential signal transmission of being exclusively used in.These electric wires are usingd phase adjacency pair 1-2,4-5,3-6 and 7-8 and are illustrated as group.Terminal unit resistance circuit is across two pairs of different differential signal lines to upper, and the end shown in Figure 17 A is two pairs, specifically between electric wire 2 and electric wire 7.Choose these two electric wires to be because they align and be adjacent one another are on the end face of service area delivery outlet.

Thisly be connected to described sensing circuit under this particular instance and set up basis, the parallel resistance network configuration of this particular instance as shown in Figure 17 B, wherein network cable extends between terminal block 106 and service area delivery outlet 200.Terminal unit 240 is set to position suitable on the delivery outlet of service area, by sensing (resistance) the circuit 270 demonstration influence values of terminal unit 240, equals the constant resistance of 1M ohm.This value is presented on the scanner of system and shows that terminal unit 240 is connected with service area delivery outlet 200, and in the cable 156 that shows to stop at service area delivery outlet 200, there is no short circuit current, do not have for example end user device of PC122 to be connected to service area delivery outlet 200 yet.When end user device is connected with service area delivery outlet 200, the network equipment 122 is existing forms second sensing circuit in parallel with the sensing circuit (that is, resistance circuit 270) of terminal unit, and its cross-over connection differential pair in parallel.Thereby the signal of telecommunication will select the path of most low-resistance through end user device 122, and makes the scanner of service area delivery outlet read the resistance of approximately 150 ohm.The variation of this resistance is presented on scanner immediately, represents that end user device has been inserted in the service area delivery outlet 200 of network 100.On the contrary, when end user device 122 removes from service area delivery outlet 200, the resistance that read at service area delivery outlet 200 places that show on scanner increases to fixed value (1M ohm) immediately, this fixed value is different from (being greater than) 150 ohm and (being less than) breaking resistor (that is, infinity).Like this, can read three kinds of conditions of service area delivery outlet 200: approximately 150 ohm: be connected with end user device; About 1M ohm: terminal unit 240 in position but there is no end user device; And infinitely great ohm: there is no terminal unit or end user device.Also can consider other resistance value of sensing under other condition, for example, be connected to the short circuit of opening circuit in the network cable 156 of specific Workplace delivery outlet 108.

Terminal unit 240 provides the sensing circuit that can be integrated in service area delivery outlet 200, thereby end user device can be measured at once for the variation of the connection of network service area delivery outlet 200 or the caused system impedance of simple motion of disconnection.Terminal unit 240 can easily be arranged on each delivery outlet 200 places, work on hand district of network or the new service area equipped at outlet port of installing in network.This structure can be connected to network immediately, and the parallel resistance network that terminal unit 240 provides is a kind of just device of energy supervisory control system connectedness of a plurality of resistors or identifier that do not rely on.Therefore, by any given service area equipped at outlet port, read resistance can remote control network connectedness to judge whether end user device is connected to network at specific Workplace equipped at outlet port.

Can use capacitor to replace above-mentioned resistor, should be understood that, their occupation mode can affect the state variation of service area delivery outlet, and this state variation can be scanned instrument according to being connected to the system impedance variation of that service area delivery outlet and detect rapidly.Similarly, provide the inductor of system impedance variation or the combination in any of other element also can meet this requirement.In order to monitor integrality and the connectedness of whole network, also end cap can be used in to other tie point place of network.For example, except service area delivery outlet 107, also can be by the end cap with sensing element for network cable and terminal block 106 and for scanner 102 or being connected for switch 109 even.In sensing circuit, increase these sensing elements and can change measurable system impedance, connectedness and integrality that scanner 102 can judge that particular cable or particular cable connect by measuring this impedance.For example, the connection that service area delivery outlet 107 and terminal block 106 two have an end cap of sensing element can change the impedance of system, the value of this impedance be different from be connected with service area delivery outlet only with an end cap of a sensing element time resistance value that obtains, in switch 109, increase end cap and can change this impedance too.In the case, can determine network impedance with in parallel and series circuit influence value and measured value.Therefore, end cap provides the network state information increasing to system designer, and mode is to utilize network components for example, as connecting or end point (network cable between switch 109 and terminal block 106 or between terminal block 106 and service area delivery outlet 107 opens circuit).

Subsequently as shown in figure 18, electronic components such as resistor, capacitor, inductor can be connected in the delivery outlet terminal of service area, and above-mentioned electronic component can have and is relatively scanned Electronic Serial Number that instrument reads and for identifying the particular value of service area delivery outlet and the network equipment.

This paper describes the preferred embodiments of the present invention, comprise that inventor is for implementing preferred forms of the present invention.After reading foregoing description, concerning the those skilled in the art of this area, the modification of these preferred embodiments is apparent.Inventor expects that those skilled in the art suitably utilize these modification, and inventor wishes that the present invention can otherwise implement except the specifically described mode of this paper.Therefore, the present invention comprises all modifications form and the equivalents of the subject content that appended claims is set forth in applicable allowed by law scope.In addition, unless otherwise indicated herein or with the obvious contradiction of this paper content, in its all possible modification, the combination in any of said elements is also included within scope of the present invention.

Claims

1. the end cap for service area delivery outlet, described service area delivery outlet has and many data lines is ended to this end face, described end cap be provided with there is preliminary election impedance sensing circuit for connecting the data line of two terminations, described end cap comprises:

The main part of insulation, described main part has relative first surface and second, described first surface comprises a plurality of engagement members for engaging with described end face, described in each, engagement member is arranged thereon in isolated two the different row of intermediate gaps, described second circuit substrate supporting on it, described main part comprises and is arranged in described intermediate gaps and extends through described first surface and the slit of the described main part between described second; And

Pair of conductive terminal, described conducting terminal is supported by described main part, described terminal comprises relative contact jaw and clearing end, thereby described terminal longitudinal extension makes described clearing end contact with described circuit substrate through described main part and in the row of described engagement member one of described contact jaw in extension, described circuit substrate comprises the sensing circuit with the electronic component that is connected to described terminal; Thus, when described end cap is attached to described end face, described engagement member engages with described end face and described terminal contacts with described two data lines, to limit sensing circuit with given resistance value between described two data lines.

2. end cap according to claim 1, wherein said service area delivery outlet is Ethernet socket.

3. end cap according to claim 1, wherein said end face comprises a plurality of insulation displacement terminal that are contained in its slit, thereby and described engagement member from base portion, extend and engage with the slit of described end face.

4. end cap according to claim 1, wherein said terminal comprises thimble type terminal.

5. end cap according to claim 1, the engagement member of wherein said end cap is arranged in two different lines, every row comprise the pair of sidewalls that the wall by a plurality of interconnection interconnects, described terminal is arranged in described row, and described in each, two of the wall of terminal and described interconnection are alignd.

6. end cap according to claim 5, the wall wherein interconnecting described in each comprises the notch that is arranged on its center, two described notches have cannot with first degree of depth of the insulation displacement technology termination contact of socket.

7. end cap according to claim 6, wherein another two described notches have second degree of depth, and first degree of depth is large described in described the second depth ratio, and in described terminal one aligns with each in another two described notches.

8. end cap according to claim 7, wherein said terminal has than the large height of described notch first degree of depth.

9. end cap according to claim 7, wherein said terminal is arranged in the main part in a side of described slit.

10. end cap according to claim 1, wherein said electronic component is selected from resistor, capacitor, inductor or their combination.

11. 1 kinds for engaging the terminal unit of the service area delivery outlet of data transmission network, described terminal unit comprises for the device of sensing circuit is provided at described service area equipped at outlet port, described service area delivery outlet comprises for being connected to the composition surface of end user device and the end face that network cable is stopped, described network cable comprises many group differential signal lines pair, described end face comprises a plurality of insulation displacement technology (" IDT ") terminal, described in each, insulation displacement technology terminal engages a described network cable, and described terminal unit comprises:

Shell, described shell supports circuit substrate thereon, described circuit substrate comprises at least one sensing circuit, described sensing circuit comprises that at least one has the electronic component of preliminary election impedance, described shell and described circuit substrate comprise the cable that holds slit, for making described terminal unit be connected to described service area delivery outlet end face via described network cable;

A plurality of engagement members, described a plurality of engagement member is arranged on the composition surface of described shell with the form of two row, described engagement member is listed as by intermediate gaps and is spaced apart from each other, and described cable holding slit is arranged in described intermediate gaps, each engagement member row comprises the pair of sidewalls interconnecting by cross wall, and described cross wall is aligned to each engagement slot of described end face and aligns with described insulation displacement technology terminal disposed thereon with certain pattern; And

Pair of conductive terminal, described conducting terminal is supported in described shell and aligns with two that are supported by described end face described insulation displacement technology terminals, described conducting terminal comprises relative tail end and contact jaw, described tail end is connected to the sensing circuit of described circuit substrate, described circuit substrate in from described engagement member row one of described conducting terminal and extending out between the sidewall of engagement member row, each cross wall comprises the notch being formed on wherein, described conducting terminal is arranged in two adjacent notches of described cross wall, when described terminal unit engages with the terminal of described service area delivery outlet, described sensing circuit is in contact with it, thereby when being connected to described service area delivery outlet, the network equipment changes its resistance.

12. terminal units according to claim 11, wherein described in each, conducting terminal comprises base portion and the tip portion that remains on described base portion inside, and be inserted with bias spring between described base portion and described tip portion, when described terminal unit coordinates with described end face, described bias spring makes described tip portion, under termination pressure, deflection occur.

13. terminal units according to claim 11, wherein said conducting terminal comprises thimble type terminal.

14. terminal units according to claim 11, wherein said electronic component is the resistor with at least 1 megohm value.

15. terminal units according to claim 11, wherein said conducting terminal is arranged on described shell, thereby from the different described insulation displacement technology termination contact to differential signal line that are connected to described network cable, to limit the resistance circuit that is connected to described service area delivery outlet.

16. terminal units according to claim 11, wherein said electronic component is selected from resistor, capacitor, inductor or their combination.

17. 1 kinds for engaging the terminal unit of the tie point on data transmission network, described terminal unit comprises for the device of sensing circuit is provided at described tie point place, described tie point interconnects on described network by comprising many group right network cables of differential signal line, described tie point comprises a plurality of conducting terminals that line is connected that are suitable for described network cable, and described terminal unit comprises:

Shell, described shell supports circuit substrate thereon, and described circuit substrate comprises at least one sensing circuit, and described sensing circuit comprises that at least one has the electronic component of preliminary election impedance, and described shell comprises the composition surface coordinating with described tie point;

At least one engagement member, described engagement member is arranged on the composition surface of described shell; And

Pair of conductive member, described conductive member is supported in described shell and aligns with two of described conducting terminal, described conductive member is connected to the sensing circuit of described circuit substrate, when described terminal unit coordinates with the described conductive member of described service area delivery outlet, described sensing circuit contacts with the end user device of service area delivery outlet, thereby when network cable is connected to described tie point, changes the impedance of described tie point.

18. 1 kinds judge in the data network with a plurality of service areas delivery outlet whether end user device is connected to the method for service area delivery outlet described in any one, and described method comprises the steps:

A plurality of service areas delivery outlet is provided;

The connecting terminals of described service area delivery outlet is received to network cable, described in each, network cable comprises many data lines, every described data line ends at a described terminal place, and described data line is arranged in pairs with differential signal transmission in described network;

Be provided for being connected to the terminal unit of described service area delivery outlet, described in each, terminal unit comprises the shell that supports sensing circuit, described shell comprises makes described network cable through the cable holding slit of described terminal unit, a plurality of engagement members are arranged on described shell with the form of two row, and be spaced apart from each other by intermediate gaps, described cable holding slit is arranged in described intermediate gaps, each engagement member row comprises pair of sidewalls and pair of conductive terminal, described pair of sidewalls interconnects by cross wall, described cross wall aligns with each terminal of described shell disposed thereon, described pair of conductive terminal is supported in described shell and aligns with two insulation displacement technology terminals, and described conducting terminal comprises and is connected to the tail end of sensing circuit and for engaging the contact jaw of described insulation displacement technology terminal,

Described terminal unit is connected to described delivery outlet, thereby make described contact jaw contact described service area delivery outlet terminal, thereby described sensing circuit is connected to two described network cable lines in parallel, to form sensing circuit in parallel between two described network cable lines, described two described network cable lines are chosen from two groups of different differential signal pair of described network cable line, described sensing circuit has the first resistance value, and described the first resistance value is different from the second resistance value of the network equipment; And

In described service area, equipped at outlet port reads impedance, and the first resistance value indication does not have end user device to be connected to described service area delivery outlet, and the second resistance value indicating terminal subscriber equipment is connected to described service area delivery outlet.