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Communication management device and communication system

A technology for communication management devices and communication devices, applied in transmission systems, digital transmission systems, data exchange through path configuration, etc., can solve problems such as power consumption, limitation of the number of communication management devices, limitation of transmission line current capacity, etc., and achieve reduction Power consumption and the effect of increasing the number of units

Inactive Publication Date: 2016-06-08
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The communication management device is always on, so the communication management device on the transmission line to which the transmission unit is connected consumes power corresponding to its number, and the current capacity that can be supplied from the transmission unit to the transmission line is limited
Therefore, the number of communication management devices that can be connected to the existing transmission line to which the transmission unit is connected is also limited.

Method used

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  • Communication management device and communication system
  • Communication management device and communication system
  • Communication management device and communication system

Examples

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Embodiment Construction

[0031] Such as Figure 8 As shown, the communication system to be described below as an embodiment performs the following multiplexing, wherein the multiplexing is used for communication between the transmission unit 1 and the terminal unit 2 and between the server device 3 and the terminal device 4 A transmission line (the first transmission line) 7 is shared in the communication of each other. Although the transmission line 7 is assumed to be of a 2-wire type, the transmission line 7 may be composed of 3 or more wires.

[0032] Usually, one transmission unit 1 and one server device 3 are provided for the transmission line 7 , while a plurality of terminal units 2 and a plurality of terminal devices 4 are generally provided for the transmission line 7 . For the multiplexing of two kinds of communication, the (first, second) communication management devices 5 and 6 are connected to the transmission line 7, and the (first and second) communication devices, namely the server de...

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Abstract

A communication management device and a communication system are provided, wherein: a communication management device (5) connected to a server device (3) and a communication management device (6) connected to a terminal device (4) are connected to a transmission line (7 ). The transmission line (7) is connected with a power supply device (10) for supplying electric power to the communication management devices (5, 6). When the destination for the communication signal received from the transmission line (7) is connected to the communication management device (6), the communication management device (6) communicates with the terminal device (4) via the transmission line (9). In addition, when not communicating with the terminal device (4), the communication management device (6) operates in a reception standby mode for reducing power consumption.

Description

technical field [0001] The present invention relates to a communication management device and a communication system using the communication management device, wherein the communication management device is used for communication between transmission lines in which a plurality of transmission lines having different specifications are inserted between communication devices. Relay communication content between. Background technique [0002] There are cases where, in the case of communication between communication devices, communication content is transmitted via other transmission lines that are different in physical specifications and protocols (hereinafter simply referred to as "standards") from the transmission lines to which these communication devices are connected. It is assumed that a transmission line is preinstalled in a building, and communication is performed with a communication device configured to communicate via another transmission line different in specificati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/28
CPCH04L12/40039H04L12/40045H04L12/28
Inventor 西川诚
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD