JP2002353972A - Hub for multimedia port - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hub for multimedia ports that reduces cost by omitting a multimedia port use relay modular jack terminal board with relay function, reduces the cost of communication cables and facilitates the installation work of connecting the communication cable to each port. SOLUTION: The multimedia port hub 10 is fitted into a prescribed panel as an internal component, that contains various multimedia related devices as internal components unified so as to have longitudinal size arranged uniformly to configure the multimedia ports. The multimedia port hub 10 is provided with ports P1-P8 at a front side of a case panel comprising a cover 11 and a rear plate 12, to which a communication cable comprising twisted pair wires wired beforehand is connected. Each port comprises 4 quick connect terminal sections 13a, adopting a quick connection terminal structure for direct connection of each conductor wire of the communication cable.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-media port in which a variety of multimedia-related devices unified so as to have the same vertical dimensions are housed as internal units, and are provided in a predetermined panel.
The present invention relates to a multimedia port hub (HUB) mounted as an internal unit.

[0002]

2. Description of the Related Art FIG. 10 shows various configuration examples of a multimedia port. In the example of FIG. 10A, a DSU 2 with an analog port, a telephone wiring relay terminal block 3, a multimedia port hub 10PA and a LAN wiring relay are provided as internal units in a predetermined panel 1 constituting a multimedia port. A terminal block (relay modular jack terminal block for multimedia ports) 4 and the like are stored. In the example of FIG. 10 (b), a DSU with an analog port
2. The relay terminal block 3 for telephone wiring and the video devices 5, 6 are housed.

FIG. 11 shows a construction example corresponding to the multimedia port shown in FIG. In FIG. 11, C1
Is a pre-wired 8-core twisted pair communication cable, more specifically a LAN cable such as UTP or STP. C2 is a twisted pair cable for telephone wiring, and C3 is a VVF cable.

FIG. 12 is a partially enlarged view of FIG. In the example of FIG.
Each of the ports P1 to P8 of the PA is constituted by an 8-core modular connector (modular jack) MC called RJ-45, and some of these ports have modular plugs MP corresponding to the modular connector MC at both ends. Is connected to the modular connector MC of the relay terminal block 4 for LAN wiring via a cable C4 to which is attached. L
The AN wiring relay terminal block 4 is provided with a terminal portion T which is electrically connected to each of its own modular connectors MC and is constituted by four quick connection terminal portions 13a. The communication cable C1 is connected.

Japanese Unexamined Patent Publication No. Hei 5-081977 discloses that the time required for connection work is shortened to improve workability, and that the number of bases per unit number of input terminals and output terminals is smaller than that of the conventional structure. A terminal block of the MDF capable of reducing the size of the terminal block is disclosed.

[0006]

However, the space for accommodating the internal unit of the multimedia port is limited, and it is necessary to reduce the space occupied as much as possible in consideration of retrofitting, replacement, and expansion of the equipment. It is. However, the multimedia port hub 10PA has two LANs.
The wiring relay terminal block 4 is required, and four modules (four times the predetermined unit size) are occupied as a whole.

To solve this problem, a method of terminating each port of the multimedia port hub 10PA with a modular plug can be considered, but a modular plug is provided at the end of the communication cable C1 whose length is not fixed by preceding wiring. Mounting each time is troublesome and may be difficult.

The present invention has been made in view of the above circumstances, and it is possible to reduce the cost by eliminating a relay modular jack terminal block for a multimedia port having a relay function, and to reduce the cost of a communication cable. In addition, it is another object of the present invention to provide a multimedia port hub that facilitates installation for connecting a communication cable to each port.

[0009]

According to a first aspect of the present invention, there is provided a multimedia port in which various multimedia-related devices unified so as to have the same vertical dimension are housed as internal units. A multimedia port hub mounted as an internal unit in a predetermined board,
A plurality of ports to which a pre-wired twisted pair communication cable is connected are provided on the front surface of the body, and a connection structure of these ports is a quick connection terminal structure for directly connecting each conductor wire of the communication cable. It is characterized by having.

According to a second aspect of the present invention, in the hub for multimedia ports according to the first aspect, a plurality of display units, each of which is constituted by a light emitting element and indicates a communication state of each port, are provided on a front surface of the body. Are arranged at one end of the front surface of the container, and the plurality of display units are arranged at the other end.

According to a third aspect of the present invention, in the multimedia port hub according to the first aspect, a binding portion for bundling a communication cable connected to each of the ports is provided on a front surface of the body. It is characterized by the following.

According to a fourth aspect of the present invention, in the multimedia port hub according to the first aspect, the front surface of the body is rectangular, and a convex portion extending in the longitudinal direction is provided at the center of the front surface of the body. And the plurality of ports are arranged on both sides of the projection.

According to a fifth aspect of the present invention, in the multimedia port hub of the first aspect, at least one switching unit for switching the port between terminal connection and cascade connection is provided on a front surface of the body. It is characterized by.

According to a sixth aspect of the present invention, in the multimedia port hub of the first aspect, another port is provided on a front surface of the body for checking wiring of a communication cable connected to each of the ports. And a switching unit for connecting each of the plurality of ports to this port.

[0015]

FIG. 1 is an external view of a multimedia port hub according to a first embodiment of the present invention, and FIG. 2 is a schematic configuration diagram of the multimedia port hub of FIG. The first embodiment will be described with reference to FIG. However, FIG. 1A is a front view of the multimedia port hub, and FIG. 1B is a left side view.

As shown in FIG. 1, the multimedia port hub 10 according to the first embodiment has a front rectangular cover 11 that opens rearward, the opening of the cover 11 is closed, and 10 is provided with a rectangular back plate 12 whose height is set to a predetermined unified dimension that is longer than the predetermined unit dimension and whose width in the left-right direction is set to twice the predetermined unit dimension. It is mounted as an internal unit in a predetermined board 1 constituting the multimedia port shown. That is, a pair of mounting holes 12b is formed in each of the vertical projections of the back plate 12 with a narrow groove 12a provided for each predetermined unit dimension from an end in the horizontal direction,
By inserting a foot of a screw (not shown) into each of the mounting holes 12b and screwing the same, the body is mounted in the panel 1. However, in the example of FIG. 1, the upper pair of mounting holes 12 b is formed in a ball shape, and the head of a screw temporarily screwed at a predetermined position in the board 1 is passed through a wide lower hole to narrow the upper portion. By fitting the feet into the holes, the structure is such that the body can be easily mounted in the board 1.

As shown in FIG. 2, a 10B
Built-in interface section 13 such as base-T or 100Base-TX, filter section 14 for waveform shaping and EMC countermeasure, repeater section for repeating data via interface section 13, and power supply section 16 for supplying power to each of these sections Have been.

As shown in FIG. 1, a convex portion 1 extending downward from the upper end to the right is provided on the front surface of the cover 11 of the body.
1a is formed, and on the left side, an interface unit 13 is formed.
, A plurality of ports P1 to P8, a display window and, for example, an LED provided behind the port,
A plurality of display units L1 to L8 respectively indicating the communication states of the ports P1 to P8 are arranged, and below them, a power switch 16a for turning on / off the power from the power unit 16 to the repeater unit 15 and the like. Energization display unit (display window and LED, for example) that lights when the power switch 16a is turned on
16b and an FG terminal 17 are provided.

Here, in the multimedia port hub 10PA shown in FIG. 12, an 8-core modular connector MC is used for each of the plurality of ports P1 to P8. In the embodiment 10, as a feature of the first embodiment, a quick connection terminal portion 13a for directly connecting each conductor wire of the communication cable C1 described above is used. FIG.
In the example, one port is configured by using four quick connection terminals 13a for connecting two wires of the communication cable C1.

As described above, if the connection structure of each port is a quick connection terminal structure in which each conductor wire of the communication cable C1 is directly connected individually, the previously wired communication cable C1 can be used.
Since it is possible to directly connect to each port without passing through the modular plug MP corresponding to the modular connector MC of the RJ-45, the LAN wiring relay terminal block 4 having a relay function can be omitted and cost can be reduced. In addition to reducing the cost of the communication cable, the construction for connecting the communication cable to each port is facilitated.

FIG. 3 is an external view of a multimedia port hub according to a second embodiment of the present invention, and the second embodiment will be described with reference to FIG. 3A is a front view of the multimedia port hub, and FIG. 3B is a left side view.

In the multimedia port hub 20 of the second embodiment, a plurality of ports P1 to P8 are arranged at the upper left end of the front surface of the cover 21 instead of the cover 11 of the first embodiment. Display units L1 to L8 are arranged,
Except that a pair of L-shaped binding portions 21b for bundling the communication cables C1 connected to the respective ports are provided inwardly above the plurality of ports P1 to P8 in the first direction,
It is configured similarly to the multimedia port hub 10 of the embodiment. However, with the change in the arrangement of the plurality of ports P1 to P8 and the plurality of display portions L1 to L8, their quick connection terminal portions 13 on a PC board provided inside the housing.
Needless to say, a and the mounting position of each light emitting element (eg, LED) are also changed.

As described above, by arranging the plurality of ports P1 to P8 on the upper left side of the front surface of the cover 21 and arranging the plurality of display sections L1 to L8 on the lower end side, each display section has a plurality of ports. Because you will be away from ports P1 to P8,
Each display unit can be prevented from being hidden by the communication cable connected to each port.

A binding portion 21b for bundling communication cables connected to each port is provided on the front surface of the cover 21 of the body.
By providing the above, the storability and aesthetics of the communication cable are improved.

FIG. 4 is an external view of a multimedia port hub according to a third embodiment of the present invention, and the third embodiment will be described with reference to FIG. 4 (a) is a front view of the multimedia port hub, and FIG. 4 (b) is a left side view.

The multimedia port hub 30 of the third embodiment has a cover 3 that replaces the cover 11 of the first embodiment.
A projection 31a extending from the upper end to the lower end is formed in the center of the front surface of the projection 1 in place of the projection 11a. Ports P1, P3, P5, P7 and ports P2, P
, P6, and P8 are arranged respectively, and display portions L1, L3, L5, L7 and display portions L2, L
4, L6, L8 are arranged respectively, and port P
1, P3, P5, P7 and ports P2, P4, P6
The multimedia port hub 10 according to the first embodiment, except that an L-shaped binding portion 21b for bundling the communication cable C1 connected to each port is provided inwardly above P8. It is configured similarly to.

According to such a configuration, the same effect as that of the second embodiment can be obtained, and the communication cables gathered on the front surface of the cover 31 of the body are divided into two by the convex portions 31a, so that the density of the communication cables is reduced. Since it is lowered, erroneous wiring of the communication cable during construction can be prevented.

FIG. 5 is an external view of a multimedia port hub according to a fourth embodiment of the present invention. The fourth embodiment will be described with reference to FIG. However, FIG. 5A is a front view of the multimedia port hub, and FIG. 5B is a left side view.

The multimedia port hub 40 according to the fourth embodiment is similar to the cover 4 in place of the cover 11 according to the first embodiment.
A convex portion 31a extending from the upper end to the lower end side is formed instead of the convex portion 11a at the center of the front surface of the front portion 1, and the ports P1, P3, P5, P7 and the display portions L1, L3, L are located to the left of the convex portion 31a.
5, L7 are arranged in pairs, and to the right of the ports P2, P4, P6, P8 and the display L2,
Except that L4, L6, and L8 are arranged as a set, the multimedia port hub 1 of the first embodiment is
0.

According to such a configuration, the same effect as that of the first embodiment can be obtained. In addition, the communication cable gathered on the front surface of the cover 41 of the body is divided into two by the convex portion 31a, and the density of the communication cable is reduced. Since it is lowered, erroneous wiring of the communication cable during construction can be prevented.

FIG. 6 is an external view of a multimedia port hub according to a fifth embodiment of the present invention, and FIG. 7 is an explanatory diagram of the changeover switch of FIG. 6, and the fifth embodiment will be described with reference to these drawings. I do.

The multimedia port hub 50 of the fifth embodiment is different from the cover 11 of the first embodiment in that the cover 5
1 in the same manner as the multimedia port hub 10 of the first embodiment, except that a changeover switch CS1 to CS8 for switching a plurality of ports P1 to P8 for terminal connection or cascade connection respectively is further provided on the front surface of the hub 10. It is configured. Here, when each switch is switched for cascade connection, the connection state becomes a state shown in FIG. 7A, and each switch is connected to a terminal (for example, a personal computer).
When the connection is switched, the connection state is as shown in FIG.

When connecting to an upper or lower network device (called an uplink connection or a cascade connection), it is necessary to switch between reception and transmission. According to the fifth embodiment, a communication cable is connected to a target port. There is no need to reconnect to each quick connection terminal 13a,
It is easy to change the connection with a higher or lower network device.

FIG. 8 is an external view of a multimedia port hub according to a sixth embodiment of the present invention. FIG. 9 is an explanatory view of the wiring check port of FIG. The form will be described.

The multimedia port hub 60 of the sixth embodiment is different from the cover 11 of the first embodiment in that the cover 6
Ports P1 to P8 and display units L1 to
Below L8, a communication cable C1 connected to each port
And a switch SW1 for connecting a port in the vicinity of each of the ports P1 to P8 to the port P0.
The configuration is the same as that of the multimedia port hub 10 of the first embodiment except that the SW 8 is provided.

Here, as shown in FIG. 9A, each conductor wire at the other end of the cable C5 to which the modular connector MC is attached at one end is connected to a port P0 constituted by four quick connection terminals 13a. Connect directly to. And cable C
4 is used to connect a master unit A for wiring check to the port P0, and a modular connector MC installed on a wall surface of a room or the like, which is a preceding wiring destination of the communication cable C1 to be checked.
Then, a slave unit B for wiring chuck is connected using a cable C4. At this time, the switch corresponding to the communication cable C1 is switched to the wiring check side. As a result, as shown in FIG. 9 (b), the master unit A and the slave unit B are connected via the communication cable C1 to be checked or the like, so that the master unit A and the slave unit B are operated. Thus, the continuity check of the communication cable C1 previously wired can be performed. As a result, erroneous wiring and the like during construction can be prevented, and the reliability of construction for LAN construction can be improved.

In the sixth embodiment, the port P0 is
Although it is constituted by the four quick connection terminals 13a, it is not limited to this, and may be constituted by an eight-core modular connector MC. In this case, the connection work of the cable for the continuity check becomes easy.

[0038]

As is apparent from the above description, the invention according to the first aspect of the present invention accommodates various multimedia-related devices that are unified so that their vertical dimensions are uniform as an internal unit and constitutes a multimedia port. A multimedia port hub that is mounted as an internal unit in the panel, and a plurality of ports to which a pre-wired twisted pair communication cable is connected are provided on the front of the unit, and a connection structure of each of these ports is provided. Since the communication cable has a quick-connecting terminal structure for directly connecting each conductor wire, the communication cable pre-wired can be directly connected to each port without passing through a predetermined plug-type connector. The modular modular jack terminal block for multimedia ports with a relay function can be omitted to reduce costs and reduce the cost of communication cables. Ruhoka, thereby facilitating construction for connecting the communication cable to each port.

According to a second aspect of the present invention, in the multimedia port hub according to the first aspect, a plurality of display units, each of which is constituted by a light emitting element and indicates a communication state of each port, are provided on a front surface of the body. Are arranged at one end of the front surface of the body, and the plurality of display units are arranged at the other end side, so that each display unit is separated from the plurality of ports, so it is connected to each port. Each display unit can be prevented from being hidden by the communication cable.

According to a third aspect of the present invention, in the multimedia port hub according to the first aspect, a binding portion for bundling communication cables connected to each of the ports is provided on a front surface of the body. Therefore, the storability and appearance of the communication cable are improved.

According to a fourth aspect of the present invention, in the multimedia port hub according to the first aspect, the front surface of the body is rectangular, and a convex portion extending in the longitudinal direction is provided at the center of the front surface of the body. Since the plurality of ports are arranged on both sides of the convex portion, the communication cable gathered on the front of the body is divided into two by the convex portion, and the density of the communication cable is reduced. It is possible to prevent incorrect wiring of the cable.

According to a fifth aspect of the present invention, in the multimedia port hub according to the first aspect, at least one switching unit for switching the port between terminal connection and cascade connection is provided on the front surface of the body. It is easy to change the connection with the upper or lower network device.

According to a sixth aspect of the present invention, in the multimedia port hub according to the first aspect, another port is provided on a front surface of the body for checking wiring of a communication cable connected to each of the ports. Since a switching unit for connecting each of the plurality of ports to this port is provided, it is possible to check the continuity of the pre-wired communication cable, thereby preventing erroneous wiring during construction.

[Brief description of the drawings]

FIG. 1 is an external view of a multimedia port hub according to a first embodiment of the present invention.

FIG. 2 is a schematic configuration diagram of the multimedia port hub of FIG. 1;

FIG. 3 is an external view of a multimedia port hub according to a second embodiment of the present invention.

FIG. 4 is an external view of a multimedia port hub according to a third embodiment of the present invention.

FIG. 5 is an external view of a multimedia port hub according to a fourth embodiment of the present invention.

FIG. 6 is an external view of a multimedia port hub according to a fifth embodiment of the present invention.

FIG. 7 is an explanatory diagram of the changeover switch of FIG. 6;

FIG. 8 is an external view of a multimedia port hub according to a sixth embodiment of the present invention.

FIG. 9 is an explanatory diagram of the wiring check port of FIG. 8;

FIG. 10 is a diagram illustrating various configuration examples of a multimedia port.

FIG. 11 is a diagram showing a construction example corresponding to the multimedia port of FIG.

FIG. 12 is a partially enlarged view of FIG.

[Explanation of symbols]

10, 20, 30, 40, 50, 60 Hub for multimedia port 11, 21, 31, 41, 51, 61 Cover 12 Back plate P1 to P8 Port L1 to L8 Display unit CS1 to CS8 Switch SW1 to SW8 Switch P0 port

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H02G 15/08 H02G 3/26 K (72) Inventor Toshiaki Inage 1048 Odakadoma, Kazuma, Osaka Matsushita Electric Works, Ltd. F-term in the formula company (reference)

Claims (6)

[Claims] 1. A multimedia port hub which is mounted as an internal unit in a predetermined panel constituting a multimedia port by housing various multimedia-related devices unified so as to have uniform vertical dimensions as an internal unit. In the front of the body, a plurality of ports to which the pre-wired twisted pair communication cables are connected, and the connection structure of each of these ports,
A multimedia port hub having a quick connection terminal structure for directly connecting each conductor wire of the communication cable. 2. A display device comprising a plurality of display units, each of which is constituted by a light emitting element and indicates a communication state of each port, provided on a front surface of the body, wherein the plurality of ports are arranged at one end of the front surface of the body, and at the other end. 2. The multimedia port hub according to claim 1, wherein the plurality of display units are arranged on the hub. 3. The multimedia port hub according to claim 1, wherein a binding portion for bundling a communication cable connected to each port is provided on a front surface of the body. 4. A front surface of the body is rectangular, and a convex portion extending in the longitudinal direction is formed at the center of the front surface of the body, and the plurality of ports are arranged on both sides of the convex portion. The hub for a multimedia port according to claim 1, wherein: 5. The multimedia port hub according to claim 1, further comprising at least one switching unit for switching the port between terminal connection and cascade connection on a front surface of the body. 6. A port for checking a wiring of a communication cable connected to each port on a front surface of the body, and a switching unit for connecting each of the plurality of ports to this port. The hub for a multimedia port according to claim 1, wherein the hub is provided.