CN102354884B - Y type twisted pair expander - Google Patents
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- CN102354884B CN102354884B CN 201110216970 CN201110216970A CN102354884B CN 102354884 B CN102354884 B CN 102354884B CN 201110216970 CN201110216970 CN 201110216970 CN 201110216970 A CN201110216970 A CN 201110216970A CN 102354884 B CN102354884 B CN 102354884B
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Abstract
The invention provides a Y type twisted pair expander, relating to a twisted pair expander, and solving problems that present twisted pair cable has severe waste of transmission medium resource and usage efficiency of a concentrator is low. The Y type twisted pair expander comprises two products: a switch terminal Y type expander and a terminal Y type expander. A connector B and a connector C in a switch expander respectively access an inner and external network switch or other network devices needing to connect to a user work unit. A connector A connects with a designated direct network port provided for a user in original local area network wiring. A connector D of a terminal expander is accessed to an original machine room direct network port of the user work unit. Standard interfaces E and F respectively connect with inner and external network computers or other network devices needing to be accessed to a network. Leading two local area network signals out from a network interface in original wiring is realized. The Y type twisted pair expander is applied to port expansion of a twisted pair.
Description
Technical field
The present invention relates to a kind of twisted-pair expanders.
Background technology
At present, twisted-pair cable has become the first-selected physical medium of most of Building LANs.In fact, what the Ethernet protocol of installing above 70% existing network used is the half-duplex transmission mode of four-wire system, namely only used two pairs of cores in eight core twisted-pair feeders, a pair of transmission and another are to receiving, and this has just caused the waste to the transmission medium resource to a certain extent.
And in the local area network wiring of enterprises and institutions, often can run into such situation: the employee need to use two computers of enterprise's internal, external network simultaneously; maybe need to increase the network equipment such as printer, and each employee's working cell only have one within the walls or the direct-connected network interface of fixed eight core twisted-pair feeders link to each other with machine room.In this case, in order to adapt to fixing wire structures, just need a large amount of hubs of purchase to connect respectively just to adding a computer for each employee.So neither attractive in appearance, be difficult to also safeguard that it is expensive also to exist buying expenses, the shortcoming such as the wiring improvement cost is high, and the hub service efficiency is low.
Summary of the invention
The present invention has twisted-pair cable now to transmission medium serious waste of resources and the low problem of hub service efficiency in order to solve, thereby a kind of Y type twisted-pair expanders is provided.
A kind of Y type twisted-pair expanders provided by the invention, it is switch end Y type expander, it comprises RJ-45 connector A, No. two RJ-45 connector B, No. three RJ-45 connector C and twisted-pair feeder,
A described RJ-45 connector A has 8 hard contacts, is respectively: A1, A2, A3, A4, A5, A6, A7 and A8; No. two RJ-45 connector B has 8 hard contacts, is respectively: B1, B2, B3, B4, B5, B6, B7 and B8; No. three RJ-45 connector C has 8 hard contacts, is respectively: C1, C2, C3, C4, C5, C6, C7 and C8;
The contact A 1 of a RJ-45 connector A is connected with the contact B1 of No. two RJ-45 connector B; The contact A 2 of a RJ-45 connector A is connected with the contact B2 of No. two RJ-45 connector B; The contact A 3 of a RJ-45 connector A is connected with the contact B3 of No. two RJ-45 connector B; The contact A 6 of a RJ-45 connector A is connected with the contact B6 of No. two RJ-45 connector B;
The contact A 4 of a RJ-45 connector A is connected with the contact C1 of No. three RJ-45 connector C; The contact A 5 of a RJ-45 connector A is connected with the contact C2 of No. three RJ-45 connector C; The contact A 7 of a RJ-45 connector A is connected with the contact C3 of No. three RJ-45 connector C; The contact A 8 of a RJ-45 connector A is connected with the contact C6 of No. three RJ-45 connector C.
Adopt twisted pair line connection between a described RJ-45 connector A and No. two RJ-45 connector B, adopt twisted pair line connection between a RJ-45 connector A and No. three RJ-45 connector C.
The present invention also provides another kind of Y type twisted-pair expanders, and it is terminal Y type expander, and it comprises No. four RJ-45 connector D, line interface E, No. two line interface F and twisted-pair feeder,
Described No. four RJ-45 connector D have 8 hard contacts, are respectively: D1, D2, D3, D4, D5, D6, D7 and D8; No. one line interface E has 8 hard contacts, is respectively: E1, E2, E3, E4, E5, E6, E7 and E8; No. two line interface F has 8 hard contacts, is respectively: F1, F2, F3, F4, F5, F6, F7 and F8;
The contact D1 of No. four RJ-45 connector D is connected with the contact E1 of a line interface E; The contact D2 of No. four RJ-45 connector D is connected with the contact E2 of a line interface E; The contact D3 of No. four RJ-45 connector D is connected with the contact E3 of a line interface E; The contact D6 of No. four RJ-45 connector D is connected with the contact E6 of a line interface E;
The contact D4 of No. four RJ-45 connector D is connected with the contact F1 of No. two line interface F; The contact D5 of No. four RJ-45 connector D is connected with the contact F2 of No. two line interface F; The contact D7 of No. four RJ-45 connector D is connected with the contact F3 of No. two line interface F; The contact D8 of No. four RJ-45 connector D is connected with the contact F6 of No. two line interface F;
Adopt twisted pair line connection between described No. four RJ-45 connector D and a line interface E, adopt twisted pair line connection between No. four RJ-45 connector D and No. two line interface F.
Beneficial effect: Y type twisted-pair expanders expansion of the present invention has two ports, makes the user only need to use a network equipment to a direct-connected port, has significantly saved the transmission medium resource; And the hub service efficiency is improved.Simultaneously, the present invention can by two 100,000,000 following LAN datas of a twisted pair communications cable transmission, improve the utilization ratio of existing building wiring.
Description of drawings
Fig. 1 is the structural representation of the concrete mode one of the present invention; Fig. 2 is the electrical connection schematic diagram of the specific embodiment of the invention one; Fig. 3 is the structural representation of the concrete mode two of the present invention; Fig. 4 is the electrical connection schematic diagram of the specific embodiment of the invention two.
Embodiment
Embodiment one, in conjunction with Fig. 1 and Fig. 2 this embodiment is described, Y type twisted-pair expanders, it is switch end Y type expander, it comprises RJ-45 connector A, No. two RJ-45 connector B, No. three RJ-45 connector C and twisted-pair feeder,
A described RJ-45 connector A has 8 hard contacts, is respectively: A1, A2, A3, A4, A5, A6, A7 and A8; No. two RJ-45 connector B has 8 hard contacts, is respectively: B1, B2, B3, B4, B5, B6, B7 and B8; No. three RJ-45 connector C has 8 hard contacts, is respectively: C1, C2, C3, C4, C5, C6, C7 and C8;
The contact A 1 of a RJ-45 connector A is connected with the contact B1 of No. two RJ-45 connector B; The contact A 2 of a RJ-45 connector A is connected with the contact B2 of No. two RJ-45 connector B; The contact A 3 of a RJ-45 connector A is connected with the contact B3 of No. two RJ-45 connector B; The contact A 6 of a RJ-45 connector A is connected with the contact B6 of No. two RJ-45 connector B;
The contact A 4 of a RJ-45 connector A is connected with the contact C1 of No. three RJ-45 connector C; The contact A 5 of a RJ-45 connector A is connected with the contact C2 of No. three RJ-45 connector C; The contact A 7 of a RJ-45 connector A is connected with the contact C3 of No. three RJ-45 connector C; The contact A 8 of a RJ-45 connector A is connected with the contact C6 of No. three RJ-45 connector C;
Adopt twisted pair line connection between a described RJ-45 connector A and No. two RJ-45 connector B, adopt twisted pair line connection between a RJ-45 connector A and No. three RJ-45 connector C.
Operation principle: when the user is only having a network interface to be connected to machine room and need to use two network computers of internal, external network or during other network equipments: use switch end Y type expander at the switch place, connector B, C access respectively the internal, external network switch or other need be connected to the network equipment of user job unit, the direct-connected network interface of the appointment that provides for the user in original local area network wiring is provided connector A, and the two-way local area network signal has just accessed in the original twisted-pair cable by connector A by connector B, C are non-interfering.Like this, just reached non-interfering by eight a core twisted-pair cables transmission, met the purpose of the two paths of signals of transmission standard, avoided extra purchase hub, or expensive, inefficient, the difficult shortcoming that realizes of wiring transformation.
The difference of embodiment two, this embodiment and embodiment two described Y type twisted-pair expanders is, a RJ-45 connector A is that material is the connector of PVC, No. two RJ-45 connector B is the connector of material PVC, and No. three RJ-45 connector C are that material is the connector of PVC.
The difference of embodiment three, this embodiment and embodiment one or two described Y type twisted-pair expanders is, the mark of RJ-45 connector A, No. two RJ-45 connector B and No. three RJ-45 connector C employing different colours.
In the present embodiment, No. one RJ-45 connector A is the connector of grey, and No. two RJ-45 connector B are blue connector, and No. three RJ-45 connector C are red connector.
In the present embodiment, two paths of signals corresponding to red, blue color differentiating that the user can be corresponding according to interface.
Embodiment four, it is terminal Y type expander, and it comprises No. four RJ-45 connector D, line interface E, No. two line interface F and twisted-pair feeder,
Described No. four RJ-45 connector D have 8 hard contacts, are respectively: D1, D2, D3, D4, D5, D6, D7 and D8; No. one line interface E has 8 hard contacts, is respectively: E1, E2, E3, E4, E5, E6, E7 and E8; No. two line interface F has 8 hard contacts, is respectively: F1, F2, F3, F4, F5, F6, F7 and F8;
The contact D1 of No. four RJ-45 connector D is connected with the contact E1 of a line interface E; The contact D2 of No. four RJ-45 connector D is connected with the contact E2 of a line interface E; The contact D3 of No. four RJ-45 connector D is connected with the contact E3 of a line interface E; The contact D6 of No. four RJ-45 connector D is connected with the contact E6 of a line interface E;
The contact D4 of No. four RJ-45 connector D is connected with the contact F1 of No. two line interface F; The contact D5 of No. four RJ-45 connector D is connected with the contact F2 of No. two line interface F; The contact D7 of No. four RJ-45 connector D is connected with the contact F3 of No. two line interface F; The contact D8 of No. four RJ-45 connector D is connected with the contact F6 of No. two line interface F;
Adopt twisted pair line connection between described No. four RJ-45 connector D and a line interface E, adopt twisted pair line connection between No. four RJ-45 connector D and No. two line interface F.
Operation principle: use terminal extender in client, with the direct-connected network interface of the original machine room in connector D access user working cell, standard interface E, F need access network device to link to each other with user's internal, external network computer or other respectively, can realize that thus the difference between interface E and switch terminal adapter B, interface F and the switch terminal adapter C is direct-connected, will pick out fully in the network interface of two-way local area network signal from original wiring.Like this, just reached non-interfering by eight a core twisted-pair cables transmission, met the purpose of the two paths of signals of transmission standard, avoided extra purchase hub, or expensive, inefficient, the difficult shortcoming that realizes of wiring transformation.
The difference of embodiment five, this embodiment and embodiment four described Y type twisted-pair expanders is, No. four RJ-45 connector D are that material is the connector of PVC, a line interface E is that material is the line interface of PVC, and No. two line interface E are that material is the line interface of PVC.
The difference of embodiment six, this embodiment and embodiment four or five described Y type twisted-pair expanders is, the line interface that line interface E and No. two line interface F all are CAT 5 types.
The difference of embodiment seven, this embodiment and embodiment six described Y type twisted-pair expanders is, the mark of No. four RJ-45 connector D, line interface E and No. two line interface F employing different colours.
No. four RJ-45 connector D is the connector of grey, and a line interface E is blue line interface, and No. two line interface F are red line interface.
In the present embodiment, two paths of signals corresponding to red, blue color differentiating that the user can be corresponding according to interface.
Embodiment eight, this embodiment adopt the technical scheme of embodiment one and embodiment four, and switch end Y type expander and terminal Y type expander are supported the use.
In the present embodiment, switch end Y type expander and terminal Y type expander are separate, and can support the use, and its advantage is as follows:
1, solved that the user only has a direct-connected port of machine room and needed to use the problem of two network equipments, having effectively reduced the cost that wiring is transformed, installed;
2, by two 100,000,000 following LAN datas of a twisted pair communications cable transmission, improved the utilization ratio of existing building wiring;
3, avoided the Installation and Debugging work of hub, made to connect rapidly accurate, working service convenience;
4, guarantee original 100,000,000 network speeds;
5, product cost is low, easy to process, and moldings formed therefrom is suitable for the finished product volume production.
Claims (5)
1.Y the type twisted-pair expanders is characterized in that: it is switch end Y type expander, and it comprises a RJ-45 connector (A), No. two RJ-45 connectors (B), No. three RJ-45 connectors (C) and twisted-pair feeder,
A described RJ-45 connector (A) has 8 hard contacts, is respectively: A1, A2, A3, A4, A5, A6, A7 and A8; No. two RJ-45 connectors (B) have 8 hard contacts, are respectively: B1, B2, B3, B4, B5, B6, B7 and B8; No. three RJ-45 connectors (C) have 8 hard contacts, are respectively: C1, C2, C3, C4, C5, C6, C7 and C8;
The contact A 1 of a RJ-45 connector (A) is connected with the contact B1 of No. two RJ-45 connectors (B); The contact A 2 of a RJ-45 connector (A) is connected with the contact B2 of No. two RJ-45 connectors (B); The contact A 3 of a RJ-45 connector (A) is connected with the contact B3 of No. two RJ-45 connectors (B); The contact A 6 of a RJ-45 connector (A) is connected with the contact B6 of No. two RJ-45 connectors (B);
The contact A 4 of a RJ-45 connector (A) is connected with the contact C1 of No. three RJ-45 connectors (C); The contact A 5 of a RJ-45 connector (A) is connected with the contact C2 of No. three RJ-45 connectors (C); The contact A 7 of a RJ-45 connector (A) is connected with the contact C3 of No. three RJ-45 connectors (C); The contact A 8 of a RJ-45 connector (A) is connected with the contact C6 of No. three RJ-45 connectors (C);
Adopt twisted pair line connection between a described RJ-45 connector (A) and No. two RJ-45 connectors (B), adopt twisted pair line connection between a RJ-45 connector (A) and No. three RJ-45 connectors (C).
2. Y type twisted-pair expanders according to claim 1, it is characterized in that a RJ-45 connector (A) is the connector of PVC for material, No. two RJ-45 connectors (B) are the connector of material PVC, and No. three RJ-45 connectors (C) are the connector of PVC for material.
3.Y the type twisted-pair expanders is characterized in that: it is terminal Y type expander, and it comprises No. four RJ-45 connectors (D), a line interface (E), No. two line interfaces (F) and twisted-pair feeder,
Described No. four RJ-45 connectors (D) have 8 hard contacts, are respectively: D1, D2, D3, D4, D5, D6, D7 and D8; A line interface (E) has 8 hard contacts, is respectively: E1, E2, E3, E4, E5, E6, E7 and E8; No. two line interfaces (F) have 8 hard contacts, are respectively: F1, F2, F3, F4, F5, F6, F7 and F8;
The contact D1 of No. four RJ-45 connectors (D) is connected with the contact E1 of a line interface (E); The contact D2 of No. four RJ-45 connectors (D) is connected with the contact E2 of a line interface (E); The contact D3 of No. four RJ-45 connectors (D) is connected with the contact E3 of a line interface (E); The contact D6 of No. four RJ-45 connectors (D) is connected with the contact E6 of a line interface (E);
The contact D4 of No. four RJ-45 connectors (D) is connected with the contact F1 of No. two line interfaces (F); The contact D5 of No. four RJ-45 connectors (D) is connected with the contact F2 of No. two line interfaces (F); The contact D7 of No. four RJ-45 connectors (D) is connected with the contact F3 of No. two line interfaces (F); The contact D8 of No. four RJ-45 connectors (D) is connected with the contact F6 of No. two line interfaces (F);
Adopt twisted pair line connection between described No. four RJ-45 connectors (D) and the line interface (E), adopt twisted pair line connection between No. four RJ-45 connectors (D) and No. two line interfaces (F).
4. Y type twisted-pair expanders according to claim 3, it is characterized in that No. four RJ-45 connectors (D) are that material is the connector of PVC, a line interface (E) is that material is the line interface of PVC, and No. two line interfaces (E) are that material is the line interface of PVC.
5. according to claim 3 or 4 described Y type twisted-pair expanders, it is characterized in that a line interface (E) and No. two line interfaces (F) all are line interfaces of CAT 5 types.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110216970 CN102354884B (en) | 2011-07-29 | 2011-07-29 | Y type twisted pair expander |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110216970 CN102354884B (en) | 2011-07-29 | 2011-07-29 | Y type twisted pair expander |
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| CN102354884A CN102354884A (en) | 2012-02-15 |
| CN102354884B true CN102354884B (en) | 2013-03-06 |
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| CN 201110216970 Active CN102354884B (en) | 2011-07-29 | 2011-07-29 | Y type twisted pair expander |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105406210A (en) * | 2015-12-28 | 2016-03-16 | 苏州卓德电子有限公司 | Wiring structure in equipment |
| CN108540391A (en) * | 2018-03-26 | 2018-09-14 | 上海康斐信息技术有限公司 | Design and router network interface extended method for the extension of router network interface |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2361590A (en) * | 2000-04-18 | 2001-10-24 | Timothy Robert Brown | Adapter for connecting multiple telephones using a single eight-wire cable |
| CN2476117Y (en) * | 2001-03-28 | 2002-02-06 | 深圳市日海通讯设备有限公司 | Data and voice integrated interface socket |
| CN202167733U (en) * | 2011-07-29 | 2012-03-14 | 黑龙江省电力科学研究院 | Y-type twisted-pair expanders |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW424352B (en) * | 1999-11-15 | 2001-03-01 | Asustek Comp Inc | Adapter for connecting RJ-45 connection port with RJ-11 connection port |
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2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2361590A (en) * | 2000-04-18 | 2001-10-24 | Timothy Robert Brown | Adapter for connecting multiple telephones using a single eight-wire cable |
| CN2476117Y (en) * | 2001-03-28 | 2002-02-06 | 深圳市日海通讯设备有限公司 | Data and voice integrated interface socket |
| CN202167733U (en) * | 2011-07-29 | 2012-03-14 | 黑龙江省电力科学研究院 | Y-type twisted-pair expanders |
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Owner name: HEILONGJIANG POWER CO., LTD. STATE ELECTRIC NET CR Free format text: FORMER OWNER: HEILONGJIANG POWER CO., LTD. Effective date: 20121017 |
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Effective date of registration: 20121017 Address after: 150030 Xiangjiang Road, Xiangfang District, Heilongjiang, No. 7, No. Applicant after: Heilongjiang Electric Power Research Institute Applicant after: Heilongjiang Power Co., Ltd. Applicant after: State Grid Corporation of China Address before: 150030 Xiangjiang Road, Xiangfang District, Heilongjiang, No. 7, No. Applicant before: Heilongjiang Electric Power Research Institute Applicant before: Heilongjiang Power Co., Ltd. |
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