CN202678677U - Combined joint device with RJ45 plugs and DB9 male plug - Google Patents
Combined joint device with RJ45 plugs and DB9 male plug Download PDFInfo
- Publication number
- CN202678677U CN202678677U CN 201220281488 CN201220281488U CN202678677U CN 202678677 U CN202678677 U CN 202678677U CN 201220281488 CN201220281488 CN 201220281488 CN 201220281488 U CN201220281488 U CN 201220281488U CN 202678677 U CN202678677 U CN 202678677U
- Authority
- CN
- China
- Prior art keywords
- connector
- pin
- public plug
- twisted
- joint device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
A combined joint device with RJ45 plugs and a DB9 male plug device relates to the field of computer connector. The combined joint device comprises three RJ45 plugs, one DB9 male plug and a twisted-pair wire. The twisted-pair wire comprises eight core wires; one end of each core wire of four core wires in the twisted-pair wire is jointly connected with a first RJ45 plug, and the other end of each core wire of the four core wires is jointly connected with a second RJ45 plug; and one end of each core wire of any three core wires of the other four core wires in the twisted-pair wire is jointly connected to the DB9 male plug, and the other end of each core wire of the three core wires is jointly connected to a third RJ45 plug. According to the combined joint device of the utility model, core wires in each twisted-pair wire is fully utilized, thereby improving the utilization rate of the twisted-pair wire; and at the same time, in the case of the existence of more plugs, the combined joint device can reduce connection lines between communication devices, not occupying too much space.
Description
Technical field
The utility model relates to the computer connector field, and specifically it is a kind of combined joint device with RJ45 connector and DB9 public plug.
Background technology
Along with making rapid progress of science and technology, the connector species of computer is more and more, RJ45 connector for example, DB9 serial port plug etc., DB9 is 9 needle serial ports comparatively commonly used at present, RJ45 is 8 needle connectors, it is the modular connection that present Ethernet connects, common RJ45 connector has two classes: be used for ethernet nic, (Data TerminalEquipment such as the DTE of router ethernet interface etc., data terminal equipment) type and be used for DCE (the DataCommunications Equipment of switch etc., data communications equipment) type, when two the same equipment of type use RJ45 connector to connect communication, must use cross spider to connect.At present, two RJ45 connectors are by the netting twine that a twisted-pair feeder links to each other and forms, and are widely used in local area network (LAN) and are connected the connection of LA Management Room with the broadband access network user; And by a RJ45 connector and the console line (control line) that the DB9 public plug forms by twisted-pair feeder, be widely used in the configuration management of router, switch, PON terminal equipment.
In actual applications, for the connection between the various communication equipments, when need to use simultaneously netting twine and console line two ends plug, because netting twine and console line all are to use separately separately a twisted-pair feeder, need at least two twisted-pair feeders could possess simultaneously four plugs (i.e. a DB9 public plug and three RJ45 connectors).Yet each bar twisted-pair feeder has eight heart yearns, and when in use, the twisted-pair feeder in the netting twine has only used four heart yearns to link to each other with the RJ45 connector at its two ends, and four heart yearns in addition are less than using.As shown in Figure 1, be the definition of RJ45DTE type pins, No. 1 pin is that data send anode, and No. 2 pins are that data send negative terminal, and No. 3 pins are the data receiver anode, and No. 6 pins are the data receiver negative terminal, and other pins are not used; Be illustrated in figure 2 as the definition of RJ45DCE type pins, No. 1 pin is the data receiver anode, and No. 2 pins are the data receiver negative terminal, and No. 3 pins are that data send anode, and No. 6 pins are that data send negative terminal, and other pins are not used.And in the console line, it only is to connect by three heart yearns in the twisted-pair feeder that the RJ45 connector at two ends is also with the DB9 public plug, and other five is not use.
Therefore, if the plug that uses is more, the number of twisted-pair feeder is also just more, causes complex circuit between the communication equipment, takes up room; Heart yearn in while every twisted-pair feeder is not fully utilized, and has caused the waste of Internet resources.
The utility model content
For the defective that exists in the prior art, the purpose of this utility model is to provide a kind of combined joint device with RJ45 connector and DB9 public plug, it can connect three RJ45 connectors and a DB9 public plug simultaneously by a twisted-pair feeder, take full advantage of the heart yearn in every twisted-pair feeder, improve the utilance of twisted-pair feeder; In the more situation of plug, reduce the connection line between the communication equipment simultaneously, do not take too much space.
For reaching above purpose, the technical scheme that the utility model is taked is: a kind of combined joint device with RJ45 connector and DB9 public plug, comprise three RJ45 connectors, a DB9 public plug and a twisted-pair feeder, comprise eight heart yearns in the twisted-pair feeder, common first RJ45 connector that connects of one end of four heart yearns in the described twisted-pair feeder, common second RJ45 connector that connects of the other end of described four heart yearns; Any three heart yearns in other four heart yearns, an end connects the DB9 public plug jointly, common the 3rd RJ45 connector that connects of the other end of described three heart yearns.
On the basis of technique scheme, the end of described heart yearn links together with the pin of DB9 public plug or RJ45 connector respectively.
On the basis of technique scheme, described the first RJ45 connector and the 3rd RJ45 connector are data terminal equipment class plug; Described the second RJ45 connector is data communications equipment type plug.
On the basis of technique scheme, the first RJ45 connector of described data terminal equipment type, its 1st pin are that data send anode, and the 2nd pin is that data send negative terminal, and the 3rd pin is the data receiver anode, and the 6th pin is the data receiver negative terminal.
On the basis of technique scheme, the second RJ45 connector of described data communications equipment type, its 1st pin is the data receiver anode, and the 2nd pin is the data receiver negative terminal, and the 3rd pin is that data send anode, and the 6th pin is that data send negative terminal.
On the basis of technique scheme, described the first RJ45 connector be connected the 1st pin, the 2nd pin, the 3rd pin, the 6th pin of RJ45 connector and connect by a heart yearn is corresponding respectively.
On the basis of technique scheme, the 1st pin of described the first RJ45 connector and the 2nd pin are connected respectively the 3rd pin and the 6th pin of the second RJ45 connector; The 3rd pin of the first RJ45 connector and the 6th pin are connected respectively the 1st pin and the 2nd pin of the second RJ45 connector.
On the basis of technique scheme, the 3rd pin of described the 3rd RJ45 connector, the 4th pin, the 6th pin pass through respectively three corresponding linking to each other of heart yearns with the 2nd stitch, the 5th stitch, the 3rd stitch of described DB9 public plug.
The beneficial effects of the utility model are:
1, described combined joint device with RJ45 connector and DB9 public plug, possess simultaneously three RJ45 connectors and a DB9 public plug by a twisted-pair feeder, one line is dual-purpose, both can as the connection between network equipment Ethernet interface, realize the local internetwork communication; Also can be used as being connected between network equipment console mouth and terminal serial ports, realize the configuration management of the network equipment; Strengthen the applicability of circuit, in the more situation of required plug, reduced the connection line between the communication equipment, do not taken too much space.
2, described combined joint device with RJ45 connector and DB9 public plug can use seven heart yearns in every twisted-pair feeder, connects respectively three RJ45 connectors and a DB9 public plug, has improved the utilance of every twisted-pair feeder, saves Internet resources.
Description of drawings
Fig. 1 is the connection diagram that the utlity model has combined joint device first embodiment of RJ45 connector and DB9 public plug.
Fig. 2 is the connection diagram that the utlity model has combined joint device second embodiment of RJ45 connector and DB9 public plug.
Reference numeral: the first RJ45 connector 11, the second RJ45 connectors 12, the three RJ45 connectors 13, DB9 public plug 2, twisted-pair feeder 3, heart yearn 4.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
The first embodiment:
As shown in Figure 1, the utlity model has the combined joint device of RJ45 connector and DB9 public plug, connection for clearer expression heart yearn 4, with the heart yearn 4 parallel draftings in the twisted-pair feeder 3, comprise three RJ45 connectors, a DB9 public plug 2 and a twisted-pair feeder 3, comprise eight heart yearns 4 in the twisted-pair feeder 3.For convenient narration, three RJ45 connectors are called the first RJ45 connector 11, the second RJ45 connector 12 and the 3rd RJ45 connector 13.Common first RJ45 connector 11 that connects of one end of four heart yearns 4 in the described twisted-pair feeder 3, common second RJ45 connector 12 that connects of the other end of four heart yearns 4, any three heart yearns 4 in other four heart yearns 4, one end connects DB9 public plug 2 jointly, common the 3rd RJ45 connector 13 that connects of the other end of described three heart yearns 4.4 free time of heart yearn of residue do not connect in the described twisted-pair feeder 3.
Described the first RJ45 connector 11 is the DTE type, and the second RJ45 connector 12 is the DCE type, and the 3rd RJ45 connector 13 is the DTE type.The pinout of the first RJ45 connector 11 of described DTE type is: the 1st pin is that data send anode, and the 2nd pin is that data send negative terminal, and the 3rd pin is the data receiver anode, and the 6th pin is the data receiver negative terminal.The pinout of the second RJ45 connector 12 of described DCE type is: the 1st pin is the data receiver anode, and the 2nd pin is the data receiver negative terminal, and the 3rd pin is that data send anode, and the 6th pin is that data send negative terminal.Certainly in other embodiments, the type of the type of the first RJ45 connector 11 and the second RJ45 connector 12 can be exchanged.The pin functionality of described DB9 public plug 3 is as shown in the table:
| The stitch sequence number | 9 needle serial port pin functionality |
| 1 | Carrier detect (DCD) |
| 2 | Receive data (RXD) |
| 3 | Send data (TXD) |
| 4 | DTR (DTR) |
| 5 | Signal ground (GND) |
| 6 | DSR (DSR) |
| 7 | Send request (RTS) |
| 8 | Send and remove (CTS) |
| 9 | Ring indication (RI) |
The utlity model has the combined joint device of RJ45 connector and DB9 public plug, the 1st pin of the first RJ45 connector 11 links to each other with the 1st pin of the second RJ45 connector 12 by a heart yearn 4; The 2nd pin of the first RJ45 connector 11 links to each other with the 2nd pin of the second RJ45 connector 12 by a heart yearn 4; The 3rd pin of the first RJ45 connector 11 links to each other with the 3rd pin of the second RJ45 connector 12 by a heart yearn 4; The 6th pin of the first RJ45 connector 11 links to each other with the 6th pin of the second RJ45 connector 12 by a heart yearn 4.
The 3rd pin of described the 3rd RJ45 connector 13 links to each other with the 2nd stitch of DB9 public plug 2 by a heart yearn 4; The 4th pin of the 3rd RJ45 connector 13 links to each other with the 5th stitch of DB9 public plug 2 by a heart yearn 4; The 6th pin of the 3rd RJ45 connector 13 links to each other with the 3rd stitch of DB9 public plug 2 by a heart yearn 4.
The second embodiment:
As shown in Figure 2, present embodiment and the first embodiment are basic identical, and for the connection of clearer expression heart yearn 4, with the heart yearn 4 parallel draftings in the twisted-pair feeder 3, its difference is:
The 1st pin of the first RJ45 connector 11 links to each other with the 3rd pin of the second RJ45 connector 12 by a heart yearn 4; The 2nd pin of the first RJ45 connector 11 links to each other with the 6th pin of the second RJ45 connector 12 by a heart yearn 4; The 3rd pin of the first RJ45 connector 11 links to each other with the 1st pin of the second RJ45 connector 12 by a heart yearn 4; The 6th pin of the first RJ45 connector 11 links to each other with the 2nd pin of the second RJ45 connector 12 by a heart yearn 4.
The 3rd pin of described the 3rd RJ45 connector 13 links to each other with the 2nd stitch of DB9 public plug 2 by a heart yearn 4; The 4th pin of the 3rd RJ45 connector 13 links to each other with the 5th stitch of DB9 public plug 2 by a heart yearn 4; The 6th pin of the 3rd RJ45 connector 13 links to each other with the 3rd stitch of DB9 public plug 2 by a heart yearn 4.
The utility model not only is confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a utility model or akin technical scheme, all within its protection range.
Claims (8)
1. combined joint device with RJ45 connector and DB9 public plug, comprise three RJ45 connectors, a DB9 public plug and a twisted-pair feeder, comprise eight heart yearns in the twisted-pair feeder, it is characterized in that: common first RJ45 connector that connects of an end of four heart yearns in the described twisted-pair feeder, common second RJ45 connector that connects of the other end of described four heart yearns; Any three heart yearns in other four heart yearns, an end connects the DB9 public plug jointly, common the 3rd RJ45 connector that connects of the other end of described three heart yearns.
2. the combined joint device with RJ45 connector and DB9 public plug as claimed in claim 1 is characterized in that: the end of described heart yearn links together with the pin of DB9 public plug or RJ45 connector respectively.
3. the combined joint device with RJ45 connector and DB9 public plug as claimed in claim 1, it is characterized in that: described the first RJ45 connector and the 3rd RJ45 connector are data terminal equipment class plug; Described the second RJ45 connector is data communications equipment type plug.
4. the combined joint device with RJ45 connector and DB9 public plug as claimed in claim 3, it is characterized in that: the first RJ45 connector of described data terminal equipment type, its the 1st pin is that data send anode, the 2nd pin is that data send negative terminal, the 3rd pin is the data receiver anode, and the 6th pin is the data receiver negative terminal.
5. the combined joint device with RJ45 connector and DB9 public plug as claimed in claim 4, it is characterized in that: the second RJ45 connector of described data communications equipment type, its the 1st pin is the data receiver anode, the 2nd pin is the data receiver negative terminal, the 3rd pin is that data send anode, and the 6th pin is that data send negative terminal.
6. the combined joint device with RJ45 connector and DB9 public plug as claimed in claim 5 is characterized in that: described the first RJ45 connector be connected the 1st pin, the 2nd pin, the 3rd pin, the 6th pin of RJ45 connector and connect by a heart yearn is corresponding respectively.
7. the combined joint device with RJ45 connector and DB9 public plug as claimed in claim 5 is characterized in that: the 1st pin of described the first RJ45 connector and the 2nd pin are connected respectively the 3rd pin and the 6th pin of the second RJ45 connector; The 3rd pin of the first RJ45 connector and the 6th pin are connected respectively the 1st pin and the 2nd pin of the second RJ45 connector.
8. such as claim 6 or 7 described combined joint devices with RJ45 connector and DB9 public plug, it is characterized in that: the 3rd pin of described the 3rd RJ45 connector, the 4th pin, the 6th pin pass through respectively three corresponding linking to each other of heart yearns with the 2nd stitch, the 5th stitch, the 3rd stitch of described DB9 public plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220281488 CN202678677U (en) | 2012-06-15 | 2012-06-15 | Combined joint device with RJ45 plugs and DB9 male plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220281488 CN202678677U (en) | 2012-06-15 | 2012-06-15 | Combined joint device with RJ45 plugs and DB9 male plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202678677U true CN202678677U (en) | 2013-01-16 |
Family
ID=47499553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220281488 Expired - Lifetime CN202678677U (en) | 2012-06-15 | 2012-06-15 | Combined joint device with RJ45 plugs and DB9 male plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202678677U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943988A (en) * | 2014-03-18 | 2014-07-23 | 江苏中利电子信息科技有限公司 | Novel needle interface structure |
| CN105281161A (en) * | 2015-11-28 | 2016-01-27 | 贵州航天特种车有限责任公司 | Internet port communication signal and serial port communication signal composite transmission cable |
-
2012
- 2012-06-15 CN CN 201220281488 patent/CN202678677U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943988A (en) * | 2014-03-18 | 2014-07-23 | 江苏中利电子信息科技有限公司 | Novel needle interface structure |
| CN105281161A (en) * | 2015-11-28 | 2016-01-27 | 贵州航天特种车有限责任公司 | Internet port communication signal and serial port communication signal composite transmission cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202678677U (en) | Combined joint device with RJ45 plugs and DB9 male plug | |
| CN201114104Y (en) | Network line sequence converter | |
| CN107291646B (en) | Network port and serial port multiplexing device and single board | |
| CN203313213U (en) | Power line carrier multi-media high-speed broadband Internet terminal device | |
| CN106340761B (en) | Network interface circuit and apply its network interface connector | |
| CN202008618U (en) | Network signal transfer board for rack-mounted blade and rack-mounted blade | |
| CN203872197U (en) | Novel router and router networking configuration | |
| CN104994040B (en) | A kind of Ethernet switch and its multiplexed port method of application | |
| CN202231955U (en) | Printed circuit board (PCB) compatible with registered jack-11 (RJ11) interface and RJ45 interface, and communication terminal | |
| CN209462396U (en) | Based on the cascade M-LVDS bus system of long line | |
| CN209016393U (en) | A kind of one-to-two cable and line feed terminals for line feed terminals debugging | |
| CN107819589A (en) | POE system and method | |
| CN103391329B (en) | A kind of interface module and its method for supporting multiplex roles standard | |
| CN107799946A (en) | A kind of attachment structure and connection method for external RJ45 network interfaces | |
| CN105591241A (en) | RJ45 connector with reinforced shielding | |
| CN202474499U (en) | Double-joint Ethernet twisted-pair jumper | |
| CN201571071U (en) | Ethernet switch | |
| CN201878169U (en) | Switch for switching between twisted pair signals and coaxial signals | |
| CN1747254B (en) | RJ45-RJ11 shared network assembled base | |
| CN201820983U (en) | Connection conversion interface device for network device | |
| CN103457744A (en) | 8-wiring-system network card | |
| CN203813076U (en) | New pin plugging interface structure | |
| CN204481836U (en) | A kind of redundant line 10M/100M adaptive net card | |
| CN204102125U (en) | A kind of multi-channel serial port converter controlling mouth for expansion equipment | |
| CN217305843U (en) | Network port expansion card, mainboard and computer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130116 |
|
| CX01 | Expiry of patent term |