JP2001015229A - Concentrator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To transmit two information terminals having different communication modes with one TP cable by connecting from a port having eight pin connectors to two communication ports connected to a specified information connector through a wiring pattern of a filter board. SOLUTION: First, second, and third ports 1, 2, 3 are mounted on a filter board 4, four pins of eight pins of the port 1 are connected to four pins of the port 3 through a first wiring pattern 5, and other four pins are connected to four pins of the port 2 through a second wiring pattern 6. The ports 2, 3 are connected to ports of 10BASE-T or ISDN, IEEE1394 of the internet of information terminal through second, third TP cables 8, 9. Since of four pairs eight cores, two pairs four cores are used and other two pairs four cores are not used, signals of two lines of the TP cables connected to the port 2 and the port 3 are simultaneously transmitted through one path of the first TP cable connected to the port 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a line concentrator capable of transmitting signals of two paths with one TP cable.

[0002]

2. Description of the Related Art In a house or the like, a home network is constructed by using a plurality of information terminals, and a character or static image is communicated between information terminals in the house or outside the home via the Internet via an ISDN network or the like. Communication of images and sounds such as pictures has become possible. In recent years, images such as moving images can be communicated between information terminals including AV equipment such as digital video and digital television based on a system standardized by IEEE 1394. In houses,
Ethernet or ISDN such as 10BASE-T in advance
One or a plurality of TP cables that can be used in common in a wall are provided in a wall, and an information outlet or the like is connected as necessary to utilize the TP cable.

Conventionally, when communicating between a plurality of rooms, as shown in FIG. 7, a first in-wall TP cable 28 provided beforehand in a wall is used to separate a first Communication is performed between the information terminal in the room 101 and the information terminal in the second room 102, and the connection is established by connecting the first information terminal 14 having the first information outlet 20 and the Ethernet port to the second information terminal. Connect with TP cable 23,
A third information terminal 16 having a second information outlet 21 and an Ethernet port is connected to a fifth TP cable 26.
This is a configuration in which communication is performed by connection.

Here, a second information terminal 15 having an Ethernet port is provided in the first room 101, and a fourth information terminal 17 having an Ethernet port is provided in the second room 102 for communication. In the first room 101, the second TP cable 23 is connected from the first information terminal 14 to the second information terminal 15, and
In the second room 102, the fifth TP cable 26 is connected to the third
It is necessary to replace each information terminal 16 with the fourth information terminal 17. Or, the first information terminal 14 and the first
A communication device such as a HUB is newly provided between the information outlets 20 and the second information terminal 15 is connected, and the third information terminal 16 and the second information outlet 21 are similarly newly connected. It is necessary to connect a fourth information terminal 17 by providing a communication device such as a HUB.

[0005] Alternatively, a second information terminal 15 having an IEEE1394 port is placed in the first room 101 and the second information terminal 15 is placed in the second room.
When a fourth information terminal 17 having an IEEE1394 port is provided in a room 102 of
rnet and IEEE1394 use different pin numbers for the connector provided on the TP cable.
TP cable 23 for Ethernet and I
It is necessary to replace the one for EEE1394 and use it. This exchange of the dedicated cable is not only a combination of Ethernet and IEEE1394 but also Ethernet
The same applies to IEEE 1394 and ISDN, and IEEE 1394 and ISDN.

[0006]

Therefore, in the above-described configuration, Ethernet, IEEE 1394, IS
When performing communication using a plurality of types of communication systems of the DN, only communication based on any one of the communication systems can be performed.
In order to communicate by adding an information terminal having a net port, it is necessary to replace a TP cable or to newly provide a device such as a hub. In addition, IEEE 1394 and ISDN
In order to communicate by adding an information terminal having the above port, a special cable must be replaced, which is very expensive and inconvenient.

[0007] The present invention relates to Ethernet, IEEE 1
It is an object of the present invention to provide a line concentrator capable of transmitting two information terminals of the same type among 394, ISDN, or analog telephone lines, or two information terminals having different communication systems, using a single TP cable.

[0008]

In order to solve this problem, a concentrator according to the present invention comprises a first concentrator having an 8-pin connector.
A second port with an 8-pin connector, or a second port with a 4-pin connector, or a third port with a 4-pin connector, the first port, the second port, And a filter board on which a third port is mounted. The filter board includes a pin of a predetermined number provided in the first port, the second port,
And having a wiring pattern connected to a pin of a predetermined number provided in the third port, and having two communication ports to simultaneously operate two information terminals via one communication line. Can be.

That is, each of the concentrators of the present invention has 8
The first port, the second port, and the third port, which are pin connectors, and a filter board on which these three connectors are mounted. Four pins out of eight pins of the first port are connected to the second port. Further, another four pins of the first port are connected to the third port, respectively, and the combination of the communication type of the cable connected to the second port and the communication type of the cable connected to the third port is Each, Ether
net and Ethernet, Ethernet and ISD
N, Ethernet and IEEE 1394, Ether
net and analog telephone line, ISDN and ISDN, IS
DN and IEEE 1394, ISDN and analog telephone line, IEEE 1394 and analog telephone line, IEEE1
There are 394 and IEEE 1394 types, and this is a line concentrator that can transmit two types of signals of each type with one TP cable connected to the first port.

Here, the combination of the communication type of the cable connected to the second port and the communication type of the cable connected to the third port may be opposite to that of the second port and the third port. Further, the filter substrate can be realized by a structure housed in a case or a structure housed in an outlet. A filter unit having a filter function for a signal transmitted between the first port and the second port and between the first port and the third port; This can be realized even by providing an amplifying unit having an amplifying function.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS.

(Embodiment 1) FIG. 1 shows an embodiment of a concentrator according to the present invention. In FIG. 1, reference numeral 1 denotes a first port.
(Eg, 8-pin RJ45 connector), 2 is the second port
(For example, 8-pin RJ45 connector), 3 is the third port
(For example, an 8-pin RJ45 connector), 4 is a filter board, 5 is a first wiring pattern, 6 is a second wiring pattern, 7 is a first TP cable with a connector connected to the first port 1, 8 is a second TP cable with a connector connected to the second port 2, 9 is the third port 3
Is a third TP cable with a connector connected to the third TP cable.

The operation of the concentrator configured as described above will be described below.

In FIG. 1, a first port 1, a second port 2, and a third port 3 are mounted on a filter substrate 4.

The filter substrate 4 is, for example, a glass epoxy substrate, on the surface of which a first wiring pattern 5 and a second wiring pattern 6 are formed by copper foil. Port 1, 2, 3
Are soldered to the wiring pattern. Four of the eight pins provided in the first port 1 are connected to any one of the eight pins provided in the third port 3 by the first wiring pattern 5. The unused four pins of the eight pins provided in the first port 1 are connected to the second port 2 by the second wiring pattern 6.
Are connected to any of the eight pins.

The second port 2 and the third port 3 have T
The connectors at one ends of the P cables 8 and 9 are connected,
Connectors on the other end of the P cables 8 and 9 include an Ethernet 10BASE-T such as an information terminal, an ISDN,
The connector of one of the TP cables connected to the port of IEEE1394 is connected. They use 2 to 4 cores among the 4 to 8 core signal lines of the TP cable, and no signal flows because the other 2 to 4 cores are not used. Therefore, the second TP cable 8 connected to the second port 2 and the third TP cable 8 connected to the third port 3
The signals of the two systems of the P cable 9 can be transmitted simultaneously on one path of the first TP cable 7 connected to the first port 1.

(Embodiment 2) FIG. 2 shows an embodiment of a concentrator according to the present invention. In FIG. 2, reference numeral 10 denotes a first filter unit, 11 denotes a second filter unit, and 12 denotes a first filter unit. The amplification unit 13 is a second amplification unit.

The operation of the concentrator configured as described above will be described below.

In FIG. 2, a first filter section 10 and a second filter section 11 perform filter processing such as noise removal on electric signals flowing through the first wiring pattern 5 and the second wiring pattern 6, respectively. The first amplifying unit 1
The second and second amplifying units 13 can each perform an amplifying process. Here, the first filter unit 10, the second filter unit 11, the first amplifier unit 12, the second amplifier unit 13
Are provided in combination, the first filter unit 10 and the second filter unit 11 include the first amplifier unit 12 and the second amplifier unit 1.
3 can be realized before and after each of them.

(Embodiment 3) FIG. 3 shows an example of use of the present invention. In FIG. 3, reference numeral 101 denotes a first room, 102 denotes a second room, and 103 denotes a first room 101 and a second room. 10
The wall that partitions 2, 14 is Ethe in the first room 101
a first information terminal having a port corresponding to rnet, 15
Is a second information terminal having a port corresponding to IEEE 1394 in the first room 101, and 16 is a second information terminal in the second room 102.
A third information terminal having a port corresponding to the Ethernet in the
A fourth information terminal having a port corresponding to 94, 18 is the first concentrator of the present invention in the first room 101, 19 is the second concentrator of the present invention in the second room 102, 20
Is the first information outlet in the first room 101, 21
Is the second information outlet in the second room 102, 22
Is a first TP cable connected to the first concentrator 18, and 23 is a second TP cable connected to the first concentrator 18.
Cable 24 is connected to the first concentrator 18 by a third
TP cable, 25 is a fourth TP cable connected to the second concentrator 19, 26 is a fifth TP cable connected to the second concentrator 19, and 27 is the second concentrator 1
A sixth TP cable connected to 9, 28 is an in-wall TP cable.

The operation of the application example of the present invention configured as described above will be described below.

In FIG. 3, the first information terminal 14 is
TP cable 23, first concentrator 18, and first TP
Via the cable 22, the first information outlet 20, the in-wall TP cable 28, the second information outlet 21, the fourth TP cable 25, the second concentrator 19, and the fifth TP cable 26, Information terminal and Ethernet 1
Communication is performed based on 0BASE-T. Similarly, communication is performed between the second information terminal and the fourth information terminal based on IEEE1394. Here, the signal flows through the second TP cable 23 and the third TP cable 24 in 2 to 4 cores of the 4 to 8 cores, and no signal flows in the other 2 to 4 cores. . The first TP cable 22 has a 4-to-8 core that is a combination of the 2-to-4 core of each of the second TP cable 23 and the third TP cable 24 through which the signal is passed by the first concentrator. Is transmitted to the information terminal 16 and the information terminal 17 via the first information outlet 20 and the single in-wall TP cable 28.
The first TP cable 22, the in-wall TP cable 28, and the fourth
Since the two sets of 2-to-4 core signals transmitted through the TP cable 25 are independent from each other, the first information terminal 1
The communication between the fourth information terminal 16 and the third information terminal 16 and the communication between the second information terminal 15 and the fourth information terminal 17 can be independent communication independent of each other.

The ports of the first information terminal 14 and the third information terminal 16 are Ethernet ports, and the ports of the second information terminal 15 and the fourth information terminal 17 are IEEE 1394 ports. The ports of the first information terminal 14 and the third information terminal 16 are Ether
The port of the “net” and the ports of the second information terminal 15 and the fourth information terminal 17 can be realized as the Ethernet port.

Also, the ports of the first information terminal 14 and the third information terminal 16 may be the ports of the Ethernet, the ports of the second information terminal 15 and the fourth information terminal 17, or via another communication device. It can be realized as an ISDN port.

Also, the ports of the first information terminal 14 and the third information terminal 16 are the ports of the Ethernet, the ports of the second information terminal 15 and the fourth information terminal 17 or another communication device. It can also be realized as a connection port with an analog line.

Further, the ports of the first information terminal 14 and the third information terminal 16 or the ports of the ISDN via another communication device, and the second information terminal 15 and the fourth information terminal 17 have It can also be realized as a port or an ISDN port via another communication device.

Also, the ports of the first information terminal 14 and the third information terminal 16 or the ports of the ISDN via another communication device, and the second information terminal 15 and the fourth information terminal 17 have The port can also be realized as an IEEE 1394 port.

Also, the ports of the first information terminal 14 and the third information terminal 16 or the ports of the ISDN via another communication device, and the second information terminal 15 and the fourth information terminal 17 have It can also be realized as a port or a connection port to an analog line via another communication device.

The ports of the first information terminal 14 and the third information terminal 16 can be realized as IEEE1394 ports, and the ports of the second information terminal 15 and the fourth information terminal 17 can be realized as IEEE1394 ports. It is.
In addition, the ports of the first information terminal 14 and the third information terminal 16 are the ports of the IEEE 1394, the ports of the second information terminal 15 and the fourth information terminal 17, or an analog line via another communication device. It can also be realized as a connection port with.

When the second port or the third port is connected to an analog telephone line, two of the eight pins in the first port are connected to the second port,
Alternatively, it may be connected to the pin of the third port. At this time,
If a 4-pin connector (4-pin modular jack) is used as the second or third port, a TP cable (with a 4-pin modular plug) can be directly connected. When an 8-pin connector is used, the conversion may be performed using a conversion connector that changes from 8-pin to 4-pin or a cable.

(Embodiment 4) FIG. 4 shows another embodiment of the concentrator of the present invention. In FIG. 4, reference numeral 29 denotes an outlet panel, 30 denotes an outlet frame, 31 denotes a mounting frame, and 32 denotes a mounting auxiliary frame. , 33 are screws, 34 is an engaging claw, and 35 is an engaged claw.

The outlet panel 29, the outlet frame 30, and the mounting frame 31 used were those of the dimensions standardized by JIS and by the Japan Wiring Equipment Manufacturers Association. The first port and the second port are also standardized RJ-
A 45 modular jack was used. Mounting auxiliary frame 32
Is for adjusting the height of the second port 2 and the third port 3 to the height of the opening of the outlet panel 29.

The operation of the embodiment configured as described above will be described below.

In FIG. 4, the filter substrate 4 is fixed to the auxiliary mounting frame 32 by fixing means such as a screw, and is attached to the mounting frame 31 by engaging and connecting. FIG. 5 shows a conceptual diagram of this engagement connection, in which the engagement claw portion 34 provided on the mounting auxiliary frame 32 is attached by a connection that engages with the engaged claw portion 35 provided on the mounting frame 31. In FIG. 4, the mounting frame 31 is fixed to the outlet frame 30 with screws 33, and the outlet panel 29 is mounted on the outlet frame 30 by fitting. This outlet panel 29 is a surface exposed to the room side. With such a structure, it is also possible to realize a concentrator in which the filter substrate 4 is provided in an outlet, and its operation is to reduce costs by using standardized parts and to have wide compatibility.

(Embodiment 5) FIG. 6 shows the relationship between the shell and the ground pattern in the line concentrator of the present invention using the first port as an example. In FIG. 37 is a cable connector portion, 38 is a shell, and 39 is a ground wiring pattern. In the present embodiment, as shown in FIG. 4, the first port 1 is provided on the back surface of the filter substrate 4, and the second port 2 and the third port 3 are provided on the front surface of the filter substrate 4. ing.

In the concentrator of the present invention configured as described above, the operation of the first port as an example will be described below with respect to the relationship between the shell and the ground pattern.

In FIG. 6, the cable connector 3
7 is a first TP connected to the first port in FIG.
A portion for fixing the TP cable to the connector with a cable. When the TP cable has a shield, the portion also connects the shield portion of the cable, and is electrically connected to the cable shield portion 36. . The shell 38 is one of the components of the 8-pin connector of the first port, and is electrically connected to the cable shield 36 when the shell 38 is fitted and connected to the first TP cable 7. One portion of the shell 38 is connected by soldering to a pattern connected to a ground wiring pattern provided on the filter substrate 4, and the shell 38 and the ground wiring pattern 39 are electrically connected. In the same configuration, the shell of the second port and the shell of the third port are each electrically connected to the ground wiring pattern. With this configuration, the first
Of the first port 2, the second port 2 and the third port 3 are electrically connected, and the first cable 7, the second cable 8 and the third cable 9 are each shielded. In the case of a cable, the respective shield portions are electrically connected, and the noise resistance is improved.

[0038]

As described above, according to the present invention, a remarkable effect that signals on two communication paths can be transmitted through one path of one TP cable can be obtained.

[Brief description of the drawings]

FIG. 1 is an overall view showing a line concentrator according to an embodiment of the present invention;

FIG. 2 is a block diagram of a filter substrate according to one embodiment of the present invention.

FIG. 3 is a diagram showing an example of use in a home network according to the present invention.

FIG. 4 is an assembly diagram of a line concentrator according to one embodiment of the present invention.

FIG. 5 is a view for explaining an engagement connection between a mounting frame and an auxiliary frame in the concentrator according to the present invention.

FIG. 6 is a diagram illustrating a connection between a ground pattern and a shell in the concentrator according to the present invention.

FIG. 7 is a diagram showing an example of use in a conventional home network;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st port 2 2nd port 3 3rd port 4 Filter board 5 1st wiring pattern 6 2nd wiring pattern 10 1st filter part 11 2nd filter part 12 1st amplification part 13th 2 amplifying unit 29 outlet panel 30 outlet frame 31 mounting frame 32 mounting auxiliary frame 34 engaging claw 35 engaged claw

 ──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Tetsuya Wada 1006 Kazuma Kadoma, Kadoma-shi, Osaka Matsushita Electric Industrial Co., Ltd. F-term (reference) 5K027 AA08 AA10 BB15 CC01 JJ03 KK03 KK07 5K073 AA03 CC41 GG03 JJ15

Claims (17)

[Claims] A first port having an 8-pin connector;
A second port having an 8-pin connector or a 4-pin connector, a third port having an 8-pin connector or a 4-pin connector, the first port, the second port, A first wiring pattern for connecting a predetermined number of pins provided in the first port to the second port; and a first wiring pattern for connecting a pin of a predetermined number provided in the first port to the second port. And a second wiring pattern for connecting a predetermined number of pins provided in the third port to the predetermined number of pins provided in the third port. 2. A method according to claim 1, wherein the predetermined number of two pins or the predetermined number of four pins provided in the first port are replaced with the predetermined number of two pins or the predetermined number provided in the second port. A first wiring pattern connected to the four pins of
Two pins other than the predetermined number provided in the port of
Alternatively, a second wiring pattern for connecting the four pins other than the predetermined number to the two pins of the predetermined number provided in the third port or the four pins of the predetermined number may be provided. The line concentrator according to claim 1, wherein: 3. The second port is an Ethernet 10 port.
BASE-T or the above-mentioned Ethernet 100B
A communication port for connecting to an ASE-T, an ISDN line (hereinafter, ISDN), an IEEE 1394, or an analog telephone line, and the third port is the Ethe
rnet, the 10BASE-T, or the Ethe
rnet said 100BASE-T, or said ISD
The line concentrator according to claim 2, wherein the line concentrator is a communication port connected to N, the IEEE 1394, or the analog telephone line. 4. The line concentrator according to claim 2, further comprising a filter unit between the first port and the second port, the filter unit having an electric filter function for a transmitted signal. . 5. The concentrator according to claim 2, further comprising a filter unit having an electric filter function for a transmitted signal between the first port and the third port. . 6. The line concentrator according to claim 2, further comprising an amplifying section having an amplifying function for a signal to be transmitted, between the first port and the second port. . 7. The line concentrator according to claim 2, further comprising an amplifying unit having an electrical amplifying function for a signal to be transmitted, between the first port and the third port. . 8. A conversion device in which an 8-pin connector is connected to one end of a cable and a 4-pin connector is connected to another end of a cable, to a second port comprising an 8-pin connector or a third port comprising an 8-pin connector. The line concentrator according to claim 2, wherein a connector is connected. 9. A conversion connector in which a 4-pin connector and an 8-pin connector are integrated is connected to a second port comprising an 8-pin connector or a third port comprising an 8-pin connector. The line concentrator according to claim 2. 10. The line concentrator according to claim 1, wherein a first port, a second port, and a third port are provided on the same surface of the filter substrate. 11. A first port on one surface of a filter substrate,
The line concentrator according to claim 1, wherein a second port and a third port are provided on another surface of the filter substrate. 12. A first port, a second port, and a third port.
12. The concentrator according to claim 10, wherein the periphery of the filter substrate is covered by a case having three openings through which a TP cable connector for connecting to a port is connected. apparatus. 13. The line concentrator according to claim 12, wherein the case has two openings through which a TP cable connector is inserted on one surface of the case. 14. A first port, a second port, and a third port.
13. The concentrator according to claim 12, wherein the shell of the connector provided at the port is made of a conductive material. 15. The concentrator according to claim 12, comprising an outlet panel, an outlet frame, a mounting frame having an engaging portion, and a filter substrate. 16. An auxiliary frame is provided between the filter substrate and the mounting frame to make the heights of the second port and the third port equal to the height from the filter substrate to the outlet panel. The line concentrator according to claim 12, wherein the auxiliary frame has an engaging portion that engages with the mounting frame. 17. The concentrator according to claim 12, further comprising a connecting portion for electrically connecting the ground wiring pattern and the case.