JP3315615B2 - Modular connector and data terminal connection system using the modular connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data terminal device which can be connected without interfering with other connection cords, thereby easily terminating the data terminal device. The present invention relates to a modular connector capable of configuring a data terminal connection system without using an accessory component such as an instrument plug, and a data terminal connection system using the jur connector.

[0002]

2. Description of the Related Art Conventionally, when a data terminal connection system is constructed, a line cord 4 and a rosette 5 are connected to connect a line terminal 1 and a data terminal 2 as shown in FIG.
And used to connect. When the data terminal device 2 has no built-in terminating resistor, the connection has been made using a rosette with a terminating resistor.

However, the line cord connecting method of the line terminating device 1 has been changed from a screw type to a modular connector type, and a conventional rosette with a built-in terminating resistor cannot be used. Therefore, a rosette 5 having three plug insertion ports 51 as shown in FIGS. 11 to 13 has come to be used.

Since the rosette 5 does not have a built-in terminating resistor, it is terminated by using one of the insertion ports 51 and attaching a plug 6 with a terminating resistor, as shown in FIG. Are used to construct a data terminal connection system.

[0005]

However, in this case, three parts, ie, two line cables 4 and a rosette 5, must be used, and a large number of parts are required for connection. there were.

When a data terminal connection system is constructed, a connector 10 as shown in FIGS.
Alternatively, connectors 11 as shown in FIGS. 19 and 20 have been used, respectively. The former connector 10 has a modular plug 61 connected to the data terminal device 2 at the front of the connector main body 10A. The modular plug 61 has a connection terminal for connecting to the data terminal device 2. A part 62 is provided. Further, on the rear surface of the connector body 10A, two connection insertion ports 63 are provided side by side in the horizontal direction, and contact terminals 64 are provided in the connection insertion ports 63. The terminals are connected to the contact terminals 62 of the modular plug portion 61 inside the connector main body 10A.

[0007] The latter connector 11 has a modular plug 71 connected to the data terminal device 2 at the front of the connector main body 11A. A connection terminal portion 72 for making a connection is provided. On the rear surface of the connector body 11A, two connection insertion ports 73 are provided in a line in the vertical direction, and a contact terminal 74 is provided in the connection insertion port 73. The contact terminal 74 is a modular plug. The contact terminals of the contact terminal portion 72 of the portion 71 are connected to each other inside the connector main body 11A.

In order to connect the line terminating device 1 and the data terminal device 2, a system can be constructed using the line cable 4 and the above-described connector 10 or connector 11. Has no built-in terminating resistor, so a plug 34 with a terminating resistor as shown in FIG. 15 must be used by inserting it into the insertion openings 63 and 73. 65 is required.

The connection surface (not shown) of the line termination device 1 is provided with a connection insertion port (not shown) to which the connection plug portion 42 of the line cable 4 is connected. The connection plug 42 of the line cable 4 is provided in the insertion port.
There is provided a contact terminal (not shown) to be contact-connected to.
On the connection surface 2A of the data terminal device 2, in addition to the connector insertion portion 21 into which the connection plug portion 41 of the line cable 4 is inserted, a connector insertion portion 21-1 into which another connector is inserted and connected, 21-2 is provided.

The connector 10 has two connection insertion ports 63 arranged side by side on the rear surface of the connector body 10A.
The rear surface of the connector main body 10A is larger than that in the case where the number of the connection insertion holes is one, and the connector 11 is arranged in the vertical direction on the rear surface of the connector main body 11A and has two connection holes. As shown in FIGS. 21 and 22, the connector 10, 11 has a data insertion port 73, and the rear surface of the connector main body 11A is larger than the case where only one connection port is provided. There is a problem that the mounting range 9 when connected to the terminal device 2 hinders the connector connection, and limits the mounting range and size of the connector of the data terminal device 2.

The present invention has been made in view of the above problems, and a first object of the present invention is to use an accessory such as a plug with a terminating resistor without using an accessory part.
An object of the present invention is to provide a modular connector capable of reducing the number of components used for connection when connecting a line terminal device and a data terminal device for system construction.

Another object of the present invention is as follows.
To provide a data terminal connection system capable of facilitating connection between a line terminating device and a data terminal device and configuring a system without using an accessory component such as a plug with a terminating resistor. It is.

[0013]

According to a first aspect of the present invention, there is provided a modular connector, comprising: a plurality of modular plugs connected to a data terminal device at one end of a connector body. A single modular plug having contact terminals is provided, and a plurality of contact terminals connected to the plurality of modular plug-side contact terminals are provided at the other end of the connector main body. A plurality of insertion-port-side contact terminals to be contact-connected, one insertion port into which the connection plug portion is inserted, and a predetermined terminal of the plurality of modular-plug-side contact terminals inside the connector body; It is characterized in that a resistance element connected therebetween is provided.

With this configuration, the modular plug portion of the modular connector having a built-in terminating resistor is inserted and connected to the connector insertion portion of the connection surface of the data terminal device. A data terminal connection system can be constructed by connecting the connection insertion port with a line cable.

In this case, since the terminating resistor is built in, when connecting the line terminating device and the data terminal device to construct a system without using an accessory such as a plug with a terminating resistor. , Line cables and modular connectors may be used, and the number of components used for connection can be reduced.

[0016]

[0017]

[0018]

[0019]

[0020]

Further, in order to achieve the first object described above, modular connector according to the invention of claim 2 is the modular connector of claim 1, wherein said connector body, said connector insertion portion of the data terminal equipment Is a dimension equivalent to that of another connector mounted on the data terminal device.

With this configuration, not only can the same operation as the above-mentioned invention of claim 1 be achieved, but also when connecting the line termination device and the data terminal device to the data terminal device for the construction of the system, another connection cable can be used. It is possible to reduce the number of components used for connection without hindering the connection, and to easily terminate the data terminal device.

Further, in order to achieve the second object of the, <br/> data terminal data terminal connection system according to the invention of claim 3, which closed the line termination, a connector insertion portion to the connection surface The device, the modular connector according to claim 1, which is inserted and connected to the connector insertion portion of the connection surface of the data terminal device, and a line cable connecting the line termination device and the modular connector. It is characterized by having.

With this configuration, the connection between the line terminating device and the data terminal device can be facilitated. Further, since the terminating resistor is built in, the system can be configured without using an accessory such as a plug with a terminating resistor.

[0025]

[0026]

[0027]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a modular connector (Embodiment 1) according to the present invention.

Data terminal connection system A according to the present invention
Is a line termination device 1 as shown in FIG. 6, a data terminal device 2 having no built-in termination resistor, and a data terminal device 2
And a terminating resistor R1 and a built-in terminating resistor R2.
And a line cable 4 connected to the terminal.

The modular connector 3 is shown in FIGS.
As shown in the figure, a modular plug section 31 connected to the data terminal device 2 is provided at the front of the connector body 3A.
A connection terminal portion 32 for connecting to the terminal is provided. Further, on the rear surface of the connector body 3A, there is provided a connection insertion port 33 to which a connection plug 41 at the end of the line cable 4 is connected. A contact terminal 34 that is connected to the plug portion 41 is provided.

Further, the modular connector 3 has terminating resistors R1 and R2 built in the connector body 3A. In this case, the terminating resistors R1 and R2 constitute a terminating circuit as shown in FIG. That is, the modular connector 3
The contact terminal part 32 of the modular plug part 31 is, for example,
If there are eight contact terminals, the terminating resistor R
1 is connected between the contact terminals, and
The terminating resistor R2 is connected between the contact terminals. All the contact terminals are connected to the corresponding contact terminals of the contact terminals 34, respectively.

A connector handle 36 is provided on the connector body 3A, and the connector 35 is inserted and removed from the modular connector 3 with respect to the connector insertion portion 21 of the data terminal device 2. The projected size of the connector main body 3A of the modular connector 3 as viewed from the connector insertion portion 21 of the data terminal device 2 is equivalent to the dimensions of other connectors mounted on the data terminal device 2.

The connection surface (not shown) of the line termination device 1 is provided with a connection insertion port (not shown) to which the connection plug 42 of the line cable 4 is connected. The connection plug 42 of the line cable 4 is provided in the insertion port.
There is provided a contact terminal (not shown) to be contact-connected to.
In addition to the connector insertion portion 21 into which the modular plug portion 31 of the modular connector 3 is inserted, a connector insertion portion 21-1 into which another connector is inserted and connected is provided on the connection surface 2A of the data terminal device 2. , 21-2 are provided.

The connection surface 2 of the data terminal device 2
A, the modular plug portion 31 of the modular connector 3 is inserted and connected to the connector insertion portion 21 of A, and a connection plug portion 42 of the line cable 4 is connected to a connection insertion opening of the connection surface of the line termination device 1; The data terminal connection system A is constructed by inserting the connection plug portion 41 of the line cable 4 into the connection insertion opening 33 of the modular connector 3 and making contact connection with the contact terminal 34.

As described above, the modular connector 3
A modular plug section 31 for connecting to the data terminal device 2 is provided at the front of the connector main body 3A, and a connection plug section 4 at the end of the line cable 4 is provided at the rear of the connector main body 3A.
1 is provided, and the connector body 3A has terminal resistors R1 and R2 built therein and has the same dimensions as the connection connector mounted on the data terminal device 2 so that the data terminal device 2 Connector insertion part 3 on the connection surface
3, a modular plug portion 31 of the modular connector 3 having the terminating resistors R1 and R2 is inserted and connected, and the connection insertion hole of the connection surface of the line termination device 1 and the connection insertion hole 31 of the modular connector 3 are connected to the line. By connecting with the cable 4, the data terminal connection system A can be constructed.

In this case, the projected size (hatched portion) of the connector main body 3A of the modular connector 3 viewed from the connector insertion portion 21 of the data terminal device 2 is the same size as other connectors mounted on the data terminal device 2. FIG. 5
The modular connector 3 is connected to the data terminal device 2 as shown in FIG.
In addition, the connection can be made without obstructing other connection cords in the data terminal device 2, and the terminal of the data terminal device 2 can be easily terminated. Further, since the terminating resistors R1 and R2 are built in, the data terminal connection system A can be configured without using an accessory such as a plug with a terminating resistor.

As described above, when connecting the line terminating device 1 and the data terminal device 2 to construct a system, it is possible to reduce the number of components used for connection so as not to hinder other connecting cables. .

The data terminal connection system A is a connection between the line terminal device 1 and the data terminal device 2 having the connector insertion portion 21 on the connection surface and having no built-in terminating resistor. A modular connector 3 which is inserted and connected to the connector insertion portion 21 on the surface thereof and incorporates terminating resistors R1 and R2, and a line cable 4 which connects the line terminator 1 and the modular connector 3 to each other. When the data terminal device 2 is connected to the line terminal device 1, a space for another cable connection to be connected to the data terminal device 1 is secured, and the connection between the line terminal device 1 and the data terminal device 2 can be facilitated. . Also, the terminating resistor R
Since R1 and R2 are built in, the system can be configured without using an accessory such as a plug with a terminating resistor.

The modular connector can have a configuration as shown in FIG. That is, the modular connector 3-1 includes a modular plug section 31-1 connected to the data terminal device 2 at the front of the connector body 3-1A.
Has a connection terminal portion 32 for connecting to the data terminal device 2.
-1 is provided. A connection terminal 34-1 is provided at the rear of the connector body 3-1A. The end of the line cable 4 is connected to the connection terminal 34-1. The terminal is the modular plug section 31
-1 contact terminal 32-1.

The modular connector 3-1 has terminating resistors R1 and R2 built in its connector body 3-1A. The connection of the terminating resistors R1 and R2 is the same as that of the modular connector 3 described above. The connector body 3-1A is provided with an insertion / removal handle 36-1, and the connector body 3-1 of the modular connector 3-1.
The projected dimension of 1A as viewed from the connector insertion portion 21 of the data terminal device 2 is equivalent to the dimensions of other connectors mounted on the data terminal device 2.

Therefore, the above-described modular connector 3 is inserted into the connector insertion portion 21 on the connection surface of the data terminal device 2.
1 modular plug section 31-1 is inserted and connected, and a modular connector 3-
The data terminal connection system A can be constructed by inserting and connecting the connection plug section 42 of the line cable 4 connected to 1.

As shown in FIG. 8, without being divided into a connector portion and a cable portion, as shown in FIG. It is feasible. When a system is constructed using the modular connector 3-1, the system can be constructed by connecting one line cable 4 between the line terminating device 1 and the data terminal device 2. Further, since the terminating resistors R1 and R2 are built in, the data terminal connection system A can be configured without using an accessory such as a plug with a terminating resistor.

In this case, the modular connector 3-1 incorporates terminating resistors R1 and R2 and has the same dimensions as the connector mounted on the data terminal device 2, so that the terminal of the data terminal device 2 can be easily terminated. The number of components for connecting the terminating resistors R1 and R2 between the line cable 4 and the data terminal device 2 can be minimized.

[0043]

As described above, according to the modular connector according to the first aspect of the present invention, a plurality of modular plugs connected to the data terminal device are provided at one end of the connector body.
Provided with a single modular plug portion having a side contact terminal, the other end of the connector body, a plurality of contact terminals which are respectively connected to the plurality of modules <br/> Rapuragu side contact terminals
There is a contact connection to the connection plug of the line cable
It has a plurality of contact terminals on the insertion port side, and the connection plug part is inserted.
One insertion opening to be input is provided, further, the connector body
A predetermined number of the plurality of modular plug-side contact terminals are internally provided.
By providing the resistive element connected between the terminals, the connector insertion portion of the connecting surface of the data terminal equipment, inserted and connected modular plug portion of the modular connector, connection surface of the connection insertion port of the line termination device and A data terminal connection system can be constructed by connecting the connection opening of the modular connector with the line insertion cable.

In this case, since the terminating resistor is built in, when connecting the line terminating device and the data terminal device for system construction without using an accessory such as a plug with a terminating resistor. , Line cables and modular connectors may be used, and the number of components used for connection can be reduced.

[0045]

[0046]

[0047]

According to the modular connector of the second aspect of the present invention, in the modular connector according to the first aspect, the projection size of the connector main body as viewed from a connector insertion portion of the data terminal device is the same as that of the data terminal. By having the same dimensions as the other connectors mounted on the device, not only can the same effect as the above-described invention of claim 1 be achieved, but also the line termination device and the data terminal device can be used for system construction. When connecting, the data terminal device can be easily terminated so as not to hinder other connection cables and to reduce the number of components used for connection.

[0049] Further, according to the data terminal connection system according to the invention of claim 3, the line terminal devices and a data terminal equipment to have a connector insertion portion to the connection surface, said connector of said connecting surface of the data terminal equipment 2. The connection between the line termination device and the data terminal device is facilitated by providing the modular connector according to claim 1, which is inserted and connected to the insertion portion, and the line cable connecting the line termination device and the modular connector. be able to. Further, since the terminating resistor is built in, the system can be configured without using an accessory such as a plug with a terminating resistor.

[0050]

[Brief description of the drawings]

FIG. 1 is a perspective view of a modular connector (first embodiment) according to the present invention.

FIG. 2 is a rear view of the modular connector.

FIG. 3 is a perspective view, partially broken away, showing the inside of the modular connector.

FIG. 4 is an explanatory diagram of a termination circuit in the modular connector.

FIG. 5 is an explanatory diagram showing a connection range when the modular connector is used.

FIG. 6 is an explanatory diagram of a configuration of a data terminal connection system according to the present invention configured using the modular connector.

FIG. 7 is a perspective view of a modular connector (Embodiment 2) according to the present invention.

FIG. 8 is a configuration explanatory diagram of a data terminal connection system according to the present invention configured using the modular connector.

FIG. 9 is a diagram illustrating the configuration of a conventional data terminal connection system.

FIG. 10 is a diagram illustrating the configuration of another conventional data terminal connection system.

FIG. 11 is a plan view of a conventional modular plug.

FIG. 12 is a view as seen from the X direction in FIG. 11;

FIG. 13 is a view as seen from the Y direction in FIG. 11;

FIG. 14 is a plan view of a plug with a terminating resistor.

FIG. 15 is a diagram illustrating the configuration of another conventional data terminal connection system.

FIG. 16 is an explanatory diagram of a cable connection surface of the data terminal device.

FIG. 17 is a perspective view of a conventional connection connector.

FIG. 18 is a view as seen from the Z direction in FIG. 17;

FIG. 19 is a perspective view of another conventional connector.

FIG. 20 is a view as viewed from the direction of the arrow W in FIG. 19;

FIG. 21 is an explanatory diagram showing a connection range when a conventional connection connector is used.

FIG. 22 is an explanatory diagram showing a connection range when a conventional connection connector is used.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Line termination device 2 Data terminal device 3 Modular connector 3A Connector main body 4 Line cable 21 Connector insertion part 31 Modular plug part 33 Connection insertion port 41 Connection plug part R1, R2 Terminating resistor

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-8-241774 (JP, A) JP-A-7-302658 (JP, A) JP-A-5-54936 (JP, A) 25589 (JP, U) Japanese Utility Model Showa 62-173851 (JP, U) Japanese Utility Model Utility Model 2-150781 (JP, U) Japanese Utility Model Utility Model 4-47289 (JP, U) Japanese Utility Model Utility Model Showa 64-41991 (JP, U) (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 31/06 H01R 31/08

Claims (3)

(57) [Claims] 1. A plurality of modular plug-side contacts connected to a data terminal device at one end of a connector body.
One modular plug portion having a terminal is provided, and each of the plurality of modular plug side contact terminals is connected to the other end of the connector body.
A plurality of contact terminals , and a connection plug portion of a line cable
Having a plurality of insertion port side contact terminals that are contact- connected to the
A modular, comprising : an insertion hole into which a connection plug portion is inserted; and a resistance element connected between predetermined terminals of the plurality of modular plug-side contact terminals inside the connector body. connector. Wherein said connector body, the projection dimension as viewed from the connector insertion portion of said data terminal device, the data terminal
The dimensions should be the same as other connectors mounted on the device.
The modular connector according to claim 1, wherein: 3. A data terminal device having a line termination device, a connector insertion portion on a connection surface, and the connector insertion portion on the connection surface of the data terminal device.
2. The modular connector according to claim 1, wherein the modular connector is inserted and connected to the line termination device and the modular connector.
Data terminal connection characterized by having a line cable
Connection system .