JPH069247U - Optical transmission unit - Google Patents

Abstract

(57) [Abstract] [Purpose] To eliminate waste in optical transmission systems. [Structure] A motherboard 3 having sockets 3A to 3G corresponding to a plurality of peripheral devices 49 to 53 and a power supply line 2L common to the sockets 3A to 3G, optical connectors 19 to 25 for optical fibers LR to LC, and electrical / optical. Conversion circuits 5C to 11C and, if necessary, central processing unit 1
An optical transmission unit 1 having electrical connectors 15-18 for 2 and EO boards 5-11 inserted into the sockets 3A-3G. [Effect] The electric power can be shared by the electric / optical conversion circuits of a plurality of peripheral devices, and waste can be eliminated. Further, since it is only necessary to mount the EO board for the peripheral device to be used, it is possible to flexibly cope with different system configurations.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an optical transmission unit, and more particularly to an optical transmission unit that performs electrical / optical conversion in an optical transmission system in which a central processing unit and a plurality of peripheral devices communicate with each other through an optical fiber.

[0002]

[Prior art]

 FIG. 6 is a block diagram of an example of a conventional optical transmission system. In this optical transmission system 501, the central processing unit 12 and the peripheral devices 49 to 53 are located apart from each other, and communicate with each other through optical fibers Lck, LB, LG, LR, LK, LRS, and LC.

Since the central processing unit 12 and the peripheral devices 49 to 53 are designed to input and output electric signals, the central processing unit 12 and the optical fibers Lck, LB, LG, LR, LK, LRS, and LC, and optical signals. Between the fibers Lck, LB, LG, LR, LK, LRS, LC and the peripheral devices 49 to 53, an electric / optical conversion device is provided as an additional facility.

For example, the central processing unit 12, the video monitor 49, and the video printer 50 are connected by optical fibers Lck, LB, LG, and LR, but the central processing unit 12 and the optical fibers Lck, LB, LG, and LR are connected. Optical modems 55-58 are provided between them, the optical modems 55-58 and the central processing unit 12 are connected by electrical connectors 13-15, and the optical fibers Lck, LB, LG, LR are connected by optical connectors. 19 to 22 are connected. Similarly, optical modems 79 to 82 are provided between the optical fibers Lck, LB, LG, and LR and the video monitor 49 and the video printer 50. The optical modems 79 to 82 and the optical fibers Lck, LB, and LG are also provided. , LR are connected by optical connectors 36 to 39, and the video monitor 49 and the video printer 50 are connected by electric connectors 43, 44. The power supply 2A converts the commercial alternating current into direct current and supplies it to the optical modems 55 to 58. Further, the power supply 76A converts commercial alternating current into direct current and supplies it to the optical modems 79 to 82.

The same applies to other peripheral devices, which are respectively provided with an optical modem, an electrical connector, an optical connector, and a power supply. That is, the keyboard 51 is provided with optical modems 59 and 83, electrical connectors 16 and 45, optical connectors 23 and 40, and power supplies 2B and 76B. Further, the touch panel 52 is provided with optical modems 60 and 84, electrical connectors 17 and 46, optical connectors 24 and 41, and power supplies 2C and 76C. Further, the printer 53 is provided with optical modems 61 and 85, electric connectors 18 and 47, optical connectors 25 and 42, and power supplies 2D and 76D.

[0006]

[Problems to be solved by the device]

 In the above-mentioned conventional optical transmission system 501, the electric / optical conversion device for each peripheral device is provided as a separate additional facility. For this reason, there was a problem in that there were many wastes, such as the provision of power supplies for the number of peripheral devices. Therefore, an object of this invention is to eliminate the above waste by providing an optical transmission unit in which an electric / optical conversion device for each peripheral device is unitized.

[0007]

[Means for Solving the Problems]

 According to a first aspect, the present invention provides a plurality of optical transmission units that perform electrical / optical conversion between a central processing unit and optical fibers in an optical transmission system in which a central processing unit and a plurality of peripheral devices are coupled by optical fibers. Motherboard with socket for peripherals and power supply line common to those sockets, optical connector for optical fiber and electrical / optical conversion circuit, and electrical connector for central processing unit if necessary, and inserted into the socket The optical transmission unit is provided with the EO board.

According to a second aspect, the present invention relates to an optical transmission unit for performing electrical / optical conversion between a peripheral device and an optical fiber in an optical transmission system in which a central processing unit and a plurality of peripheral devices are coupled by an optical fiber. , A mother board having sockets corresponding to a plurality of peripheral devices and a power supply line common to those sockets, an optical connector for optical fibers and an electrical / optical conversion circuit, and an electrical connector for peripheral devices as necessary. An optical transmission unit comprising an EO board to be inserted.

In the above structure, the electric / optical conversion circuit means either one or both of a circuit for converting an electric signal into an optical signal and a circuit for converting an optical signal into an electric signal.

[0010]

[Action]

 In the optical transmission unit of the present invention, the electric / optical conversion device for each peripheral device is in the form of an EO board, these EO boards are mounted on the mother board, and power is supplied from a common power supply line on the mother board. Therefore, the power source can be shared, and waste can be eliminated. Also, since it is only necessary to mount the EO board for the peripheral device to be used, it is possible to flexibly support different system configurations.

[0011]

【Example】

 Hereinafter, the present invention will be described in more detail with reference to the embodiments shown in the drawings. The invention is not limited to this. FIG. 1 is an overall block diagram of an optical transmission system 101 including an optical transmission unit according to the present invention. In this optical transmission system 101, the central processing unit 12 and the peripheral devices 49 to 53 are located separately from each other, and communicate with each other through the optical fibers LR, LG, LB, Lck, LK, LRS, and LC.

Since the central processing unit 12 and the peripheral devices 49 to 53 are designed to input and output electric signals, the central processing unit 12 and the optical fibers LR, LG, LB, Lck, LK, LRS, and LC are connected between them. An optical transmission unit 1 is provided, and an optical transmission unit 31 is provided between the optical fibers LR, LG, LB, Lck, LK, LRS, LC and the peripheral devices 49 to 53. Performs electrical / optical conversion.

The optical transmission unit 1 has sockets 3A to 3G corresponding to the plurality of peripheral devices 49 to 53 and a mother board 3 having a power supply line 2L common to the sockets 3A to 3G. Then, the EO boards 5 to 11 are inserted into the sockets 3A to 3G. The EO boards 5 to 11 have electric connectors 13 to 18 for the central processing unit 12, optical connectors 19 to 25 for the optical fibers LR, LG, LB, Lck, LK, LRS, and LC, and electric / optical conversion circuits 5C to 11C. is doing. A front view of the optical transmission unit 1 is shown in FIG. A rear view of the optical transmission unit 1 is shown in FIG.

The optical transmission unit 31 has a mother board 4 having sockets 4A to 4G corresponding to the plurality of peripheral devices 49 to 53 and a power supply line 76L common to the sockets 4A to 4G. The EO boards 29 to 35 are inserted into the sockets 4A to 4G. The EO boards 29 to 35 include electrical connectors 43 to 48 for the corresponding peripherals 49 to 53, optical connectors 36 to 42 for the optical fibers LR, LG, LB, Lck, LK, LRS, LC and an electrical / optical conversion circuit 29C. It has ˜35 C. A front view of the optical transmission unit 31 is shown in FIG. A rear view of the optical transmission unit 31 is shown in FIG.

The power supply 2 converts commercial alternating current into direct current, supplies it to the power supply line 2L of the mother board 3, supplies it from the power supply line 2L to the sockets 3A to 3G, and further inserts it into the sockets 3A to 3G. Supply to EO boards 5-11. Further, the power supply 76 converts commercial alternating current into direct current and supplies it to the power supply line 76L of the mother board 4, supplies it from the power supply line 76L to the sockets 4A to 4G, and further inserts into the sockets 4A to 4G. 29-35.

Here, the correspondence between the peripheral device and the electric connector, the optical connector, and the EO board is shown. For the video monitor 49 and the video printer 50, the electric connectors 13, 14, 43, 44, and the optical connectors 19 to 22 are shown. , 36-39, and EO boards 5-8, 29-32. Further, the keyboard 51 is provided with electric connectors 16 and 46, optical connectors 23 and 40, and EO boards 9 and 33. Further, the touch panel 52 is provided with electric connectors 17, 47, optical connectors 24, 41, and EO boards 10, 34. Further, the printer 53 is provided with electric connectors 18 and 48, optical connectors 25 and 42, and EO boards 11 and 35.

In the above optical transmission system 101, since the optical transmission units 1 and 31 are used, the electric power can be shared by the electric / optical conversion circuits 5C to 11C and 29C to 35C of the plurality of peripheral devices, and waste is saved. It can be lost. In addition, since the EO board for the peripheral devices that are not used can be removed, it is possible to flexibly support different system configurations.

[0018]

[Effect of device]

 According to the optical transmission unit of this invention, the electric power can be shared by the electric / optical conversion circuits of a plurality of peripheral devices, and waste can be eliminated. Also, since it is only necessary to mount the EO board for the peripheral device to be used, it is possible to flexibly support different system configurations.

[Brief description of drawings]

FIG. 1 is an overall block diagram of an optical transmission system including an optical transmission unit of the present invention.

FIG. 2 Optical transmission unit of this invention (central processing unit side)
FIG.

FIG. 3 is an optical transmission unit of the present invention (central processing unit side)
FIG.

FIG. 4 is a front view of an optical transmission unit (peripheral device side) of the present invention.

FIG. 5 is a rear view of the optical transmission unit (peripheral device side) of the present invention.

FIG. 6 is an overall block diagram of a conventional optical transmission system.

[Explanation of symbols]

 1,31 Optical transmission unit 3,4 Motherboard 3A-3G, 4A-4G Socket 2L, 76L Power line 13-18, 43-48 Electrical connector 19-25, 36-42 Optical connector 5C-11C, 29C-35C Electrical / Optical conversion circuit 5-11, 29-35 EO board 12 Central processing unit 49-53 Peripheral device LR, LG, LB, Lck, LK, LRS, LC Optical fiber 101 Optical transmission system

Claims (2)

[Scope of utility model registration request] 1. An optical transmission system in which a central processing unit and a plurality of peripheral devices are coupled with an optical fiber to perform an electrical / optical conversion between the central processing unit and the optical fiber, and which corresponds to a plurality of peripheral devices. A socket and a mother board having a common power supply line to the sockets, and an EO board having an optical connector for an optical fiber and an electrical / optical conversion circuit and an electrical connector for a central processing unit as necessary and inserted into the socket are provided. The characteristic optical transmission unit. 2. A socket corresponding to a plurality of peripheral devices in an optical transmission system for electrically / optically converting between a peripheral device and an optical fiber in an optical transmission system in which a central processing unit and a plurality of peripheral devices are coupled by an optical fiber. And an EO board having an optical connector for an optical fiber, an electrical / optical conversion circuit, and an electrical connector for a peripheral device as required, and an EO board inserted into the socket. Optical transmission unit.