JP2020092296A - Relay connector device - Google Patents

Abstract

To provide a relay connector device that can more reliably block a signal in the blocked state.SOLUTION: A relay connector device that relays between a first signal line group and a second signal line group respectively including a transmission side signal line and a reception side signal line includes a switch unit switches a transmission side signal line of the first signal line group between a first side conduction position connected to the reception side signal line of the second signal line group and a first side end position to be terminated, and switches a transmission side signal line of the second signal line group between a second side conduction position connected to the reception side signal line of the first signal line group and a second side end position to be terminated.SELECTED DRAWING: Figure 1

Description

The present invention relates to a relay connector device.

A relay connector device for extending a LAN cable is known. Further, Patent Document 1 discloses a relay device that includes a relay and that a relay switch cuts off the relay when a predetermined cutoff time is reached to cut off conduction between LAN cable connectors.

Also, there is a relay connector device having a function of connecting and disconnecting a pair of signal lines of a LAN cable with a switch (Non-Patent Document 1).

Jitsubo 3198663

Product information, [online], [Search on November 1, 2018], Internet <URL: http://www2.elecom.co.jp/products/LD-DATABLOCK01.html>

However, in the above-mentioned conventional relay connector device, since the signal line is connected or opened by a relay or switch to control the continuity/interruption between the LAN cable connectors, the signal line is in an interrupted state. However, there were cases where communication was maintained due to electromagnetic coupling. In particular, when connected to a network interface with a relatively high sensitivity, there was a problem that communication could not be cut off reliably.

The present invention has been made in view of the above circumstances, and provides a relay connector device that can switch between a connected state and a blocked state, and that can more reliably block a signal in the blocked state. This is one of the purposes.

SUMMARY OF THE INVENTION The present invention for solving the above-mentioned problems of the conventional example is a relay connector for relaying between a first signal line group including a transmission side signal line and a reception side signal line and a second signal line group. A device, wherein a first-side conduction position for connecting the transmission-side signal line of the first signal line group to the reception-side signal line of the second signal line group and a first-side termination position for terminating the transmission-side signal line And a second-side termination for terminating the transmitting-side signal line of the second signal-line group to the receiving-side signal line of the first signal-line group and a second-side conducting position for terminating the transmitting-side signal line of the second signal-line group. It has a switch section for switching between the position and the position. In this state of interruption, the signal can be reliably interrupted by terminating the signal line.

The transmission side signal line includes a transmission side positive electrode signal line and a transmission side negative electrode signal line, the reception side signal line includes a reception side positive electrode signal line and a reception side negative electrode signal line, the switch unit , At the first side end position, one of the transmission side positive electrode signal line and the transmission side negative electrode signal line of the first signal line group is grounded, or the transmission side positive electrode line of the first signal line group is When connected to either the signal line or the other of the transmission-side negative signal lines and located at the second-side termination position, one of the transmission-side positive signal line or the transmission-side negative signal line of the second signal line group May be connected to either the ground or the other of the transmission side positive electrode signal line and the transmission side negative electrode signal line of the second signal line group. With such a termination method, the signal can be reliably cut off.

Further, the transmission side signal line includes a transmission side positive electrode signal line and a transmission side negative electrode signal line, the reception side signal line includes a reception side positive electrode signal line and a reception side negative signal line, the switch unit, When in the first-side termination position, one of the transmission-side positive electrode signal line and the transmission-side negative signal line of the first signal line group is grounded or the transmission-side positive signal of the first signal line group. Line or the other of the transmission side negative electrode signal line through a resistor, and when it is at the second side termination position, the transmission side positive electrode signal line or the transmission side negative signal of the second signal line group. One of the lines may be connected to either the ground or the other of the transmission-side positive electrode signal line or the transmission-side negative signal line of the second signal line group via a resistor. Even with such a termination method, the signal can be reliably cut off.

The switch unit also positions the reception side signal line at the second side conduction position when the transmission side signal line is at the first side conduction position, and the reception side signal line when the transmission side signal line is at the first side termination position. May also be controlled to be positioned at the second end position.

Here, the switch section has a wiring portion for terminating the transmitting side signal line of the first signal line group, and a virtual portion for the wiring portion of the receiving side signal line of the second signal line group. The extension lines may be arranged so as to cross each other. By doing this, electromagnetic coupling can be avoided and the signal can be blocked more reliably.

The switch unit has wirings for terminating the transmission-side signal lines of the second signal line group with respect to wirings of the reception-side signal lines of the first signal line group. May be arranged so as to be oblique to each other. By doing this, electromagnetic coupling can be avoided and the signal can be blocked more reliably.

Further, each signal line included in at least one of the first signal line group or the second signal line group is provided in the relay connector device corresponding to the plug or the signal line group provided corresponding to the signal line group. May be connected to the corresponding signal line in the corresponding receptacle.

Further, each signal line included in the first signal line group is provided in a plug provided corresponding to the first signal line group, or provided in a relay connector device corresponding to the first signal line group. Each signal line connected to the corresponding signal line in the corresponding receptacle and included in the second signal line group is a plug provided corresponding to the second signal line group, or the second signal. It may be connected to the corresponding signal line in the receptacle provided in the relay connector device corresponding to the line group.

According to the present invention, the signal can be reliably blocked in the blocked state.

It is a schematic circuit diagram showing the structural example of the relay connector apparatus which concerns on embodiment of this invention. It is explanatory drawing showing the specific structural example of the relay connector apparatus which concerns on embodiment of this invention. It is a schematic explanatory drawing showing the specific mounting example of the circuit wiring of the relay connector apparatus which concerns on embodiment of this invention.

Embodiments of the present invention will be described with reference to the drawings. As illustrated in FIG. 1, the relay connector device 1 according to the embodiment of the present invention relays between the first signal line group 11 and the second signal line group 12, and the switch unit. 21 and a termination circuit 22.

The first and second signal line groups 11 and 12 are signal line groups included in, for example, a twisted pair cable used in Ethernet (registered trademark), and are connected to an external device via a connector such as a plug or a receptacle. ing. These first and second signal line groups 11 and 12 include transmitting side signal lines 11TX and 12TX and receiving side signal lines 11RX and 12RX, respectively. Further, each of the transmission side signal line and the reception side signal line 11TX, 12TX, 11RX, 12RX includes a positive side signal line and a negative side signal line. Hereinafter, the signal line on the positive side such as the transmission side signal line 11TX is referred to as the transmission side positive signal line 11TX+, and the negative side signal line such as the transmission side signal line 11TX is referred to as the transmission side negative signal line 11TX-.

The termination circuit 22 includes a first termination circuit 22a and a second termination circuit 22b in the example of the present embodiment. When it is not necessary to distinguish between the first and second termination circuits 22, they will be simply referred to as the termination circuit 22 below.

The switch unit 21 includes a first contact 211 arranged on the transmission-side signal line 11TX, a second contact 212 arranged on the reception-side signal line 12RX, and a third contact 213 connected to the first termination circuit 22a. Including and In addition, the switch unit 21 includes a first contact 221 arranged on the transmission-side signal line 12TX, a second contact 222 arranged on the reception-side signal line 11RX, and a third contact connected to the second termination circuit 22b. And a contact 223.

In the present embodiment, the switch unit 21 has a first-side conductive position that connects the first contact 211 and the second contact 212 and a first-side end position that connects the first contact 211 and the third contact 213. A first switch circuit 210a that can be switched between is provided. In addition, the switch unit 21 switches between a second side conduction position connecting the first contact 221 and the second contact 222 and a second side end position connecting the first contact 221 and the third contact 223. It comprises a possible second switch circuit 210b.

In the example of the present embodiment, as illustrated in FIG. 1, the first contact 211 of the first switch circuit 210a is arranged on the transmission-side positive signal line 11TX+, and the second contact 212 is the reception-side positive signal line 12RX+. Placed on top. Further, the first contact 221 of the second switch circuit 210b is arranged on the transmitting side positive electrode signal line 12TX+, and the second contact 222 is arranged on the receiving side positive signal line 11RX+.

Further, the transmission side negative signal line 11TX- is directly connected to the reception side negative signal line 12RX-, and the transmission side negative signal line 12TX- is directly connected to the reception side negative signal line 11RX-.

Here, the first and second switch circuits 210 may be interlocked. That is, when the first switch circuit 210a is in the first side conduction position, the second switch circuit 210b is also in the second side conduction position, and when the first switch circuit 210a is in the first side termination position, The second switch circuit 210b may also be controlled in conjunction with each other so as to be located at the first-side terminal position. Such a switch circuit is widely known as a two-circuit, two-contact switch, and a detailed description thereof will be omitted here.

The termination circuit 22 includes a termination resistor R, and terminates (terminates) the signal input to the input terminal. In the example shown in FIG. 1 of the present embodiment, the first termination circuit 22a uses the third contact 213 of the first switch circuit 210a as an input terminal and connects the input terminal and the transmission-side negative signal line 11TX-. A terminating resistor R is connected in series between them.

Further, the second terminating circuit 22b has a third contact 223 of the second switch circuit 210b as an input terminal, and a terminating resistor R is connected in series between this input terminal and the transmission side negative signal line 12TX-. Is becoming

The example of the present embodiment has the above configuration and operates as follows. In the following description, the first and second signal line groups 11 and 12 are connected to the first and second external devices, respectively, and between the first signal line group 11 and the second signal line group 12. Communication shall be relayed/blocked.

Here, it is assumed that the first external device has an MDI (Medium Dependent Interface) and the second external device has an MDI-X (Medium Dependent Interface Crossover). That is, the transmission-side positive signal line 11TX+ is connected to the first external device as the transmission-side positive signal line (to the pin 1 of the receptacle of the first external device), and the reception-side positive signal line 12RX+ is connected to the first external device. The second external device is connected to the positive electrode signal line on the receiving side (to the pin 1 of the receptacle of the second external device).

Further, the transmission-side negative signal line 11TX- is connected to the first external device as a transmission-side negative signal line (to the pin 2 of the receptacle of the first external device), and the reception-side negative signal line 12RX- is It is connected to the second external device as a negative electrode signal line on the reception side (to the pin 2 of the receptacle of the second external device).

The reception-side positive electrode signal line 11RX+ is connected to the first external device as a reception-side positive signal line (to the pin 3 of the receptacle of the first external device), and the reception-side negative signal line 11RX- is connected to the first external device. No. 1 external device is connected as a receiving side negative signal line (to pin 6 of the receptacle of the first external device), and the transmitting side positive signal line 12TX+ is connected to the second external device as a transmitting side positive signal. As a line (to the pin 3 of the receptacle of the second external device), the transmission side negative signal line 12TX- is connected to the second external device as a transmission side negative signal line (the receptacle of the second external device). No. 6 pin).

First, when performing the relay operation, the user operates the switch unit 21 to set the first side conduction position and the second side conduction position. At this time, the switch unit 21 connects the first contact 211 arranged on the transmission side positive signal line 11TX+ and the second contact 212 arranged on the reception side positive signal line 12RX+. Further, the switch unit 21 connects the first contact 221 arranged on the transmission side positive signal line 12TX+ and the second contact 222 arranged on the reception side positive signal line 11RX+.

The transmission negative electrode signal line 11TX- is directly connected to the reception negative electrode signal line 12RX-, and the transmission negative signal line 12TX- is directly connected to the reception negative signal line 11RX-.

When the switch unit 21 is thus connected, the transmission-side signal line 11TX is connected to the positive electrode and the negative electrode is connected to the positive and negative electrodes of the corresponding reception-side signal line 12RX, respectively, and the transmission-side signal line 12TX is connected to the positive electrode, The negative electrodes will be connected to the positive and negative electrodes of the corresponding reception-side signal line 11RX, respectively. That is, the first external device and the second external device are connected by the so-called straight cable by the signal line connected via the relay connector device 1 of the present embodiment, and the first and second external devices are connected. It is possible to communicate with other external devices.

However, for example, when the second external device includes MDI instead of MDI-X, the reception side positive electrode signal line 12RX+ serves as a reception side positive signal line for the second external device (the receptacle of the second external device). And the receiving-side negative signal line 12RX- is connected to the second external device as a receiving-side negative signal line (to the 6th pin of the receptacle of the second external device). Becomes Further, in this case, the transmission side positive electrode signal line 12TX+ is connected to the second external device as the transmission side positive signal line (to the pin 1 of the receptacle of the second external device), and the transmission side negative signal line 12TX+. -Is connected to the second external device as a negative electrode signal line on the transmission side (to the pin 2 of the receptacle of the second external device). That is, in this case, the first external device and the second external device are connected by a so-called cross cable, and in this case also, communication between the first and second external devices becomes possible.

On the other hand, when interrupting the communication, the user operates the switch unit 21 to set the first side end position and the second side end position. At this time, the switch unit 21 connects the first contact 211 arranged on the transmission-side positive signal line 11TX+ and the third contact 213 which is the input terminal of the first termination circuit 22a. The switch unit 21 also connects the first contact 221 arranged on the positive electrode signal line 12TX+ on the transmission side and the third contact 223 which is the input terminal of the second termination circuit 22b.

By doing so, the transmission-side positive signal line 11TX+ is connected to the transmission-side negative signal line 11TX- through the terminating resistor R of the first termination circuit 22a, and the transmission-side positive signal line 12TX+ is connected to the second termination. The circuit 22b is connected to the transmission-side negative signal line 12TX- via the terminating resistor R. The reception side positive electrode signal line 11RX+ and the reception side positive electrode signal line 12RX+ are in an open state.

Therefore, the signals in the portions of the transmitting side positive electrode signal lines 11TX+ and 12TX+ that are close to the receiving side positive electrode signal lines 12RX+ and 11RX+ to be originally connected (inside the switch section 21 and in the vicinity thereof) are the corresponding negative signal line 11TX-. , 12TX-, so that the signal is sufficiently attenuated, so that signals are not exchanged between them due to electromagnetic coupling.

As a result, it is possible to reliably block the signal to be transmitted and received between the first external device and the second external device in the blocked state.

[Other connection examples]
Further, in the above description, the first contact 211 of the first switch circuit 210a is arranged on the transmission side positive electrode signal line 11TX+, and the second contact 212 is arranged on the reception side positive signal line 12RX+. The first contact 221 of the second switch circuit 210b is arranged on the transmission side positive electrode signal line 12TX+, and the second contact 222 is arranged on the reception side positive signal line 11RX+. It is not limited to this connection example.

For example, the first contact 211 of the first switch circuit 210a may be arranged on the transmission side negative signal line 11TX-, and the second contact 212 may be arranged on the reception side negative signal line 12RX-. In this case, the first termination circuit 22a connects the third contact 213 as an input terminal to the transmission-side positive signal line 11TX+ via the termination resistor R.

Similarly, the first contact 221 of the second switch circuit 210b may be arranged on the transmission side negative signal line 12TX-, and the second contact 222 may be arranged on the reception side negative signal line 11RX-. In this case, the second termination circuit 22b connects the third contact 223 as an input terminal to the transmission side positive electrode signal line 12TX+ via the termination resistor R.

That is, in the example of the present embodiment, when the switch unit 21 is at the first side terminal position, one of the transmission side positive electrode signal line and the transmission side negative electrode signal line of the first signal line group is set to the first side. It connects to the other of the transmission side positive electrode signal line or the transmission side negative electrode signal line of the signal line group through a terminating resistor.

When the switch unit 21 is at the second end position, one of the transmission-side positive signal line and the transmission-side negative signal line of the second signal line group is connected to the transmission-side positive signal line of the second signal line group. It is connected to the other of the transmission-side negative signal line through a terminating resistor.

Further, the first contact 211 of the first switch circuit 210a may be arranged on the reception side positive electrode signal line 11RX+, and the second contact 212 may be arranged on the transmission side positive signal line 12RX+. In this case, the first termination circuit 22a connects the third contact 213 as an input terminal to the reception-side negative signal line 11RX- via the termination resistor R.

Similarly, the first contact 221 of the second switch circuit 210b may be arranged on the reception side positive electrode signal line 12RX+, and the second contact 222 may be arranged on the transmission side positive signal line 11TX+. In this case, the second termination circuit 22b connects the third contact 223 as an input terminal to the reception side negative signal line 12RX- via the termination resistance R.

In still another example, the first contact 211 of the first switch circuit 210a may be arranged on the reception side negative signal line 11RX-, and the second contact 212 may be arranged on the transmission side negative signal line 12RX-. .. In this case, the first termination circuit 22a connects the third contact 213 as an input terminal to the reception side positive signal line 11RX+ via the termination resistor R.

Similarly, the first contact 221 of the second switch circuit 210b may be arranged on the reception side negative signal line 12RX-, and the second contact 222 may be arranged on the transmission side negative signal line 11TX-. In this case, the second termination circuit 22b connects the third contact 223 as an input terminal to the reception side positive signal line 12RX+ via the termination resistance R.

Further, the first contact 211 of the first switch circuit 210a may be arranged on the reception side positive electrode signal line 11RX+, and the second contact 212 may be arranged on the transmission side positive signal line 12TX+. In this case, the first termination circuit 22a connects the third contact 213 as an input terminal to the reception-side negative signal line 11RX- via the termination resistor R.

Similarly, the first contact 221 of the second switch circuit 210b may be arranged on the reception side positive electrode signal line 12RX+, and the second contact 222 may be arranged on the transmission side positive signal line 11TX+. In this case, the second termination circuit 22b connects the third contact 223 as an input terminal to the reception side negative signal line 12RX- via the termination resistance R.

[Connect to ground]
Further, in the above description, the termination circuit 22 connects the input terminal via the terminating resistor R to a signal line having a different polarity (positive or negative polarity) corresponding to the signal line connected to the input terminal. However, the present embodiment is not limited to this.

In another example of the present embodiment, the terminating circuit 22 has an input terminal and a ground via a terminating resistor R (a place having a ground potential, for example, a frame ground, or a ground potential in a signal line). If there is a ground signal line, it may be the ground signal line).

[Terminal resistance value]
In the above description, the resistance value of the terminating resistor is preferably matched with the impedance of the signal line to be connected. Further, in the example of the present embodiment, the terminating resistor R may be omitted.

[wiring]
A relay connector device 1 according to an example of an embodiment of the present invention has a first connector 31 for accommodating a first signal line group 11 and a second signal line group, as shown in FIG. The second connector 32 that accommodates 12 is provided, and the switch unit 21, the termination circuit 22, and the like are arranged and mounted on the circuit board 35 and the like. Here, the first connector 31 is a plug or a receptacle, and the first signal line group 11 is pulled out from the first connector 31 and connected to the circuit mounted on the circuit board 35. The second connector 32 is also a plug or a receptacle, and the second signal line group 12 is pulled out from the second connector 32 and connected to the circuit mounted on the circuit board 35.

As illustrated in FIG. 3, the circuit board 35 has a substantially rectangular shape, and the first signal line group 11 introduced from the outside of the housing of the relay connector device 1 via the first connector 31. Are connected to each other along a pair of opposite sides, and terminals T21, T22... Connected to the second signal line group 12 introduced via the second connector 32 are connected to each other. It is distributed.

In the example of FIG. 3, the signal lines of the first signal line group 11 taken out from the first connector 31 are connected as follows:
Transmission side positive signal line 11TX+: Terminal T11
Transmission side negative signal line 11TX-: Terminal T12
Reception side positive signal line 11RX+: Terminal T14
Reception side negative signal line 11RX-: Terminal T13

Further, the signal lines of the second signal line group 12 taken out from the second connector 32 are connected as follows:
Transmission side positive signal line 12TX+: Terminal T24
Transmission side negative signal line 12TX-: Terminal T23
Receiving side positive signal line 12RX+: Terminal T21
Receiving side negative signal line 12RX-: Terminal T22

Further, in the example of FIG. 3, a pattern 21P for arranging a switch having two circuits and two contacts is formed, and the switch portion 21 is arranged on this pattern 21P.

The wiring from the terminal T11 is a point X drawn from the first contact 211 of the first switch circuit 210a of the switch unit 21 (in FIG. 3, points X, Y, P, and Q are shown for convenience of description. However, the actual substrate is not provided with terminals and the like) and is connected to the first contact point 211.

The terminal T21 is connected to the second contact 212 of the first switch circuit 210a by a wiring routed through the point P. Here, the wiring portion between the second contact 212 and the point P is oblique or orthogonal to the wiring portion from the first contact 211 to the point X (the portions where these wirings are parallel are not formed. Formed).

Further, the wiring from the third contact 213 of the first switch circuit 210a to the terminal HR1 to which one end of the termination resistor R1 of the termination circuit 22 is connected is also the wiring drawn from the second contact 212 between the points P. It is drawn out in a direction that is oblique or orthogonal to the portions (so that there is no portion where these wirings are formed in parallel).

The other end of the terminating resistor R1 is connected to a terminal arranged on the wiring connecting the terminals T12 and T22.

The wiring from the terminal T24 is connected to the first contact 221 through the point Y drawn from the first contact 221 of the second switch circuit 210b of the switch unit 21.

The terminal T14 is connected to the second contact 222 of the second switch circuit 210b by a wiring routed through the point Q. Here, the wiring portion between the second contact 222 and the point Q is oblique or orthogonal to the wiring portion from the first contact 221 to the point Y (the portions where these wirings are parallel are not formed. It is drawn around and formed.

Further, the wiring from the third contact 223 of the second switch circuit 210b to the terminal HR2 to which one end of the terminating resistor R2 of the terminating circuit 22 is connected is also drawn from the second contact 222 through the point Q to the terminal T14. The wirings are drawn out so as to cross or intersect at right angles (there is no portion where these wirings are formed in parallel).

The other end of the terminating resistor R2 is connected to a terminal arranged on the wiring connecting the terminals T13 and T23.

When the wiring is formed in this way, the circuit of the relay connector device 1 described above can be realized. What is characteristic of this example of the present embodiment is that the first switch circuit 210a of the switch unit 21 is provided. The wiring portion between the first contact point 211 and the point X and the wiring portion between the second contact point 212 and the point P are formed so as to cross or intersect at right angles, so that there is no portion where the wiring lines are parallel. Therefore, capacitive coupling is suppressed. That is, when the first switch circuit 210a is set to the first side termination position, the wiring portion between the first contact 211 of the first switch circuit 210a of the switch unit 21 and the point X (terminated). However, a signal is supplied from the positive electrode signal line 11TX+ on the transmission side of the first signal line group 11) and the wiring portion drawn out from the second contact point 212 to the point P (at the first side conduction position). When set, the transmission-side positive electrode signal line 11TX+ is connected, and capacitive coupling with the signal supply line) is less likely to occur.

Further, in this example, the wiring portion between the first contact 221 and the point Y of the second switch circuit 210b and the wiring portion between the second contact 222 and the point Q are also oblique or orthogonal to each other. Is formed as. Thus, when the second switch circuit 210b is set to the second side termination position, the wiring portion between the first contact 221 and the point Y of the second switch circuit 210b (although it is terminated, The signal is supplied from the positive electrode signal line 12TX+ on the transmission side of the second signal line group 12) and the wiring portion drawn out from the second contact point 222 to the point Q (set to the second side conduction position). At the same time, capacitive coupling is less likely to occur between the transmission side positive signal line 12TX+ and the wiring to which a signal is supplied.

Note that the example of FIG. 3A is an example of the wiring as described above, and similar wiring can be formed as shown in FIG. 3B. Further, like the wiring from the second contact 212 of the first switch circuit 210a to the terminal T21 via P and P′ illustrated in FIG. 3(b), the terminal X is partially connected to the first contact 211. Even if there is a wiring portion (between P and P') parallel to the wiring portion of (1), the wiring is formed so that the parallel wiring portions are sufficiently separated from each other.
(2) The wiring is formed so that the lengths of the wiring portions which are parallel to each other are different from each other,
Such a method may be used to further prevent capacitive coupling.

In addition, a ground pattern (a metal portion that extends in a planar shape and is connected to the ground terminal) may be formed between the wirings that should prevent capacitive coupling when shutting off.

Further, the circuit board 35 is a multi-layer board, and wirings for preventing capacitive coupling when cut off are arranged in different layers (first layer, second layer) from each other, and You may arrange|position the 3rd layer in which the ground pattern was formed between them.

[Examples with plugs or receptacles of other standards]
Further, in the relay connector device 1 of the present embodiment, each signal line included in at least one of the first signal line group 11 and the second signal line group 12 is a plug provided corresponding to each signal line group. Alternatively, it may be connected to the corresponding signal line in the receptacle provided in the relay connector device corresponding to the signal line group. For example, one of the first signal line group 11 and the second signal line group 12 The signal line included in the signal line group is connected to the corresponding terminal in the plug of the RJ-45 or the receptacle corresponding thereto, but the signal transmitted by the signal line included in the other signal line group is, for example, USB. (Universal Serial Bus) or the like, and may be connected to a plug of a corresponding connector of another standard (USB or the like) or a terminal of a receptacle through a conversion circuit for converting into a signal transmitted by a connector of another standard. The configuration of such a conversion circuit and the software for the external device therefor (in the case of the example here, the external device to be connected transmits and receives the signal of the network via USB) is widely known. Therefore, detailed description is omitted here.

DESCRIPTION OF SYMBOLS 1 relay connector device, 11 1st signal line group, 12 2nd signal line group, 21 switch part, 22 termination circuit, 31 1st connector, 32 2nd connector, 35 circuit board, 210 1st, 1st 2 switch circuit, 211 1st contact point, 212 2nd contact point, 213 3rd contact point, 221 1st contact point, 222 2nd contact point, 223 3rd contact point.

Claims (8)

A relay connector device for relaying between a first signal line group including a transmission side signal line and a reception side signal line, and a second signal line group, respectively.
The transmission side signal line of the first signal line group is switched between a first side conduction position where it is connected to the reception side signal line of the second signal line group and a first side termination position where it is terminated. At the same time, between the second-side conduction position that connects the transmission-side signal line of the second signal line group to the reception-side signal line of the first signal line group and the second-side termination position that terminates the transmission-side signal line. A relay connector device having a switch unit for switching. The relay connector device according to claim 1,
The transmission-side signal line includes a transmission-side positive signal line and a transmission-side negative signal line, the reception-side signal line includes a reception-side positive signal line and a reception-side negative signal line,
When the switch unit is at the first-side termination position, one of the transmission-side positive signal line and the transmission-side negative signal line of the first signal line group is connected to the ground or the first signal line group. Connected to the other of the transmission side positive electrode signal line or the transmission side negative electrode signal line,
When in the second side end position, one of the transmission side positive electrode signal line and the transmission side negative electrode signal line of the second signal line group is grounded or the transmission side positive electrode line of the second signal line group. Connect to either the signal line or the other of the transmission-side negative signal lines. The relay connector device according to claim 1,
The transmission-side signal line includes a transmission-side positive signal line and a transmission-side negative signal line, the reception-side signal line includes a reception-side positive signal line and a reception-side negative signal line,
When the switch unit is at the first-side termination position, one of the transmission-side positive signal line and the transmission-side negative signal line of the first signal line group is connected to the ground or the first signal line group. The other of the transmission side positive electrode signal line or the transmission side negative electrode signal line, is connected via a resistor,
When in the second side end position, one of the transmission side positive electrode signal line and the transmission side negative electrode signal line of the second signal line group is grounded or the transmission side positive electrode line of the second signal line group. It is connected to either the signal line or the other of the transmission side negative signal line through a resistor. The relay connector device according to any one of claims 1 to 3,
The switch unit also positions the reception side signal line at the second side conduction position when the transmission side signal line is at the first side conduction position, and the reception side signal line when the transmission side signal line is at the first side termination position. A relay connector device that is controlled so as to be positioned at the second-side end position. The relay connector device according to any one of claims 1 to 4,
The switch section has a wiring portion for terminating the transmission-side signal line of the first signal line group and a virtual portion for each wiring portion of the reception-side signal line of the second signal line group. It is arranged so that the extension lines cross each other. The relay connector device according to any one of claims 1 to 4,
The switch unit has wirings for terminating the transmission-side signal lines of the second signal line group with respect to wirings of the reception-side signal lines of the first signal line group. Are arranged so that they cross each other. The relay connector device according to any one of claims 1 to 6,
Each signal line included in at least one of the first signal line group and the second signal line group is provided in a plug provided in the signal line group or in the relay connector device corresponding to the signal line group. A relay connector device connected to the corresponding signal line in the receptacle. The relay connector device according to any one of claims 1 to 6,
Each signal line included in the first signal line group is provided in a plug provided corresponding to the first signal line group, or provided in a relay connector device corresponding to the first signal line group. Connected to the corresponding signal line in the receptacle,
Each signal line included in the second signal line group is provided in a plug provided corresponding to the second signal line group, or provided in a relay connector device corresponding to the second signal line group. A relay connector device connected to a corresponding signal line in a receptacle.

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