JPH0522764A - Control data transmission system - Google Patents

Control data transmission system

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Publication number
JPH0522764A
JPH0522764A JP17394291A JP17394291A JPH0522764A JP H0522764 A JPH0522764 A JP H0522764A JP 17394291 A JP17394291 A JP 17394291A JP 17394291 A JP17394291 A JP 17394291A JP H0522764 A JPH0522764 A JP H0522764A
Authority
JP
Japan
Prior art keywords
data
unit
control data
terminal
transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17394291A
Other languages
Japanese (ja)
Inventor
Mamoru Nagatani
永谷守
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP17394291A priority Critical patent/JPH0522764A/en
Publication of JPH0522764A publication Critical patent/JPH0522764A/en
Pending legal-status Critical Current

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  • Time-Division Multiplex Systems (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Abstract

PURPOSE:To prevent both quantity of connecting cable and installation cost from being increased by reducing the number of ports and interface circuits of the main device. CONSTITUTION:A separation multiplexing section 23 separates and multiplexes control data and communication data transmitted between two transmission and reception sections 22 and 24, and multiplexes control data of terminals of the separation multiplexing section 23 to control data in terminals at successive stages. A transmission and reception control section 25 controls the separation multiplexing section 23, adds an identifier from a connection detecting section 26 to data to be sent to main device 10, and an identifier for control data from main device 10 intakes take in data of for terminals of main device 10, and transfers data for terminals at successive stages. An interface control section 12 adds an identifier to control data to be transmitted.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、電話交換装置の主装置
と端末との間の制御データ伝送方式に利用する。特に、
ボタン電話装置または構内交換機の主装置と端末との間
の制御データ伝送方式に関するものである。BACKGROUND OF THE INVENTION The present invention is used in a control data transmission system between a main unit of a telephone exchange and a terminal. In particular,
The present invention relates to a control data transmission system between a key telephone device or a main unit of a private branch exchange and a terminal.

【０００２】[0002]

【従来の技術】従来、制御データ伝送方式は、電話交換
装置で一つの制御チャネルでは一つの端末からしか制御
データを取込む制御ができないために、主装置の一つの
ポートには１台の端末のみが接続され、２台の端末を接
続する場合には、二つのポートが必要であった。2. Description of the Related Art Conventionally, in a control data transmission system, since a telephone switching apparatus can control the control data to be taken in from only one terminal on one control channel, one port is connected to one terminal of the main unit. Only two ports were needed when connecting only two terminals and only two.

【０００３】[0003]

【発明が解決しようとする課題】しかし、このような従
来の制御データ伝送方式では、端末を２台接続する場合
には主装置の別々の二つのポートを使用するために、装
置構成上主装置のインタフェース回路が多く必要とな
り、接続ケーブルの数量および工事費用が増大する欠点
があった。However, in such a conventional control data transmission system, since two separate ports of the main device are used when two terminals are connected, the main device is structurally different. Since many interface circuits are required, the number of connecting cables and the construction cost increase.

【０００４】本発明は上記の欠点を解決するもので、主
装置のポートおよびインタフェース回路の数を減らし、
接続ケーブルの数量および工事費用の増大を防止できる
制御データ伝送方式を提供することを目的とする。The present invention solves the above drawbacks by reducing the number of ports and interface circuits in the main unit,
An object of the present invention is to provide a control data transmission method capable of preventing an increase in the number of connection cables and construction costs.

【０００５】[0005]

【課題を解決するための手段】本発明は、複数の端末
と、この複数の端末に対してポーリングを行い制御デー
タおよび通信データを送受信する主装置を含む電話交換
装置とを備えた制御データ伝送方式において、上記各端
末は上記主装置に縦続接続された通信部を含み、上記各
通信部は、上記データを送受信する送受信手段と、この
送受信手段に接続され送受信する制御データと通信デー
タとを分離多重し後段の端末の制御データに自制御デー
タを多重する分離多重部と、この分離多重部を制御し上
記主装置へ送信するデータに自端末の接続箇所を示す識
別子を付加して転送させ上記主装置からの制御データに
付加された識別子に基づき自端末宛のデータを取込み後
段の端末宛の制御データをその端末に転送させる送受信
制御部とを含み、上記主装置は送受信する制御データと
通信データとを分離多重し送信する制御データに送信先
の端末の識別子を付加する端末インタフェース部を含む
ことを特徴とする。SUMMARY OF THE INVENTION The present invention is a control data transmission comprising a plurality of terminals and a telephone switching apparatus including a main apparatus for polling the plurality of terminals and transmitting and receiving control data and communication data. In the method, each of the terminals includes a communication unit cascade-connected to the main device, and each of the communication units includes a transmitting / receiving unit that transmits / receives the data, and control data and communication data that is connected to the transmitting / receiving unit to transmit / receive the data. A demultiplexing unit for demultiplexing and multiplexing own control data with control data of a terminal at a subsequent stage, and a data for controlling the demultiplexing unit to be transmitted to the main device by adding an identifier indicating a connection point of the own terminal and transferring the data. A transmission / reception control unit that takes in data addressed to the terminal itself based on the identifier added to the control data from the main device and transfers the control data addressed to the latter terminal to the terminal, The main device is characterized in that it comprises a terminal interface unit for adding an identifier of the destination terminal to the control data demultiplexing sends communication data and control data to be transmitted and received.

【０００６】また、本発明は、上記各通信部は上記分離
多重部に接続され自端末が接続されている箇所を示す識
別子および後段の端末の有無を検出し検出結果を上記送
受信制御部に通知する接続検出部を含むことができる。Further, according to the present invention, each of the communication units detects an identifier indicating a location connected to the demultiplexing / multiplexing unit and its own terminal and the presence / absence of a subsequent terminal, and notifies the transmission / reception control unit of the detection result. A connection detection unit for performing the connection may be included.

【０００７】さらに、本発明は、上記端末インタフェー
ス部は、上記各端末との間で上記データを送受信する伝
送部と、この伝送部に接続され送受信する制御データと
通信データとを分離多重するデータ多重部と、このデー
タ多重部に接続され送信する制御データに送信先の端末
の識別子を付加するインタフェース制御部を含むことが
できる。Further, according to the present invention, the terminal interface unit transmits / receives the data to / from each of the terminals, and data for demultiplexing control data and communication data to be transmitted / received connected to the transmission unit. It may include a multiplexer and an interface controller connected to the data multiplexer to add the identifier of the destination terminal to the control data to be transmitted.

【０００８】[0008]

【作用】各端末は交換手段に縦続接続された通信部が設
けられる。各通信部は、送受信手段でデータを送受信
し、この送受信手段に接続された分離多重部で送受信す
る制御データと通信データとを分離多重し、後段の端末
の制御データに自制御データを多重し、送受信制御部で
この分離多重部を制御し、主装置へ送信するデータに自
端末の接続箇所を示す識別子を付加し、主装置からの制
御データに付加された識別子に基づき自端末宛のデータ
を取込み後段の端末宛の制御データをその端末に転送さ
せる。主装置は端末インタフェース部で送受信する制御
データと通信データとを分離多重し送信する制御データ
に送信先の端末の識別子を付加する。Operation: Each terminal is provided with a communication unit that is connected in cascade to the exchange means. Each communication section transmits / receives data by the transmitting / receiving means, separates / multiplexes control data and communication data transmitted / received by the separating / multiplexing section connected to the transmitting / receiving means, and multiplexes its own control data with the control data of the terminal at the subsequent stage. , The transmission / reception control unit controls this demultiplexing / multiplexing unit, adds the identifier indicating the connection point of the own terminal to the data to be transmitted to the main device, and the data addressed to the own terminal based on the identifier added to the control data from the main device. The control data addressed to the terminal at the latter stage of fetching is transferred to that terminal. The main unit adds the identifier of the destination terminal to the control data for demultiplexing and transmitting the control data and the communication data transmitted / received by the terminal interface unit.

【０００９】以上により主装置のポートおよびインタフ
ェース回路の数を減らし、接続ケーブルの数量および工
事費用の増大を防止できる。As described above, it is possible to reduce the number of ports and interface circuits of the main device and prevent an increase in the number of connecting cables and construction cost.

【００１０】[0010]

【実施例】本発明の実施例について図面を参照して説明
する。図１は本発明一実施例制御データ伝送方式のブロ
ック構成図である。Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram of a control data transmission system according to an embodiment of the present invention.

【００１１】図１において、制御データ伝送方式は、複
数の端末２０1 、２０2 と、端末２０1 、２０2 に対し
てポーリングを行い制御データおよび通信データを送受
信する主装置１０を含む電話交換装置３０とを備え、各
端末２０1 、２０2 は通信データ処理部２７1 、２７2
を含む。In FIG. 1, the control data transmission system is a telephone exchange including a plurality of terminals 20 1 and 20 2 and a main device 10 that polls the terminals 20 1 and 20 2 to send and receive control data and communication data. Device 30 and each of the terminals 20 1 and 20 2 has a communication data processing unit 27 1 and 27 2.
including.

【００１２】ここで本発明の特徴とするところは、各端
末２０1 、２０2 は主装置１０に縦続接続された通信部
２１1 、２１2 を含み、各通信部２１1 、２１2 は、デ
ータを送受信する送受信手段として主装置１０および前
段の端末２０1 にそれぞれ接続されたマスタ送受信部２
２1 、２２2 ならびに後段の端末２０2 に接続されたス
レーブ送受信部２４1 、２４2 （スレーブ送受信部２４
2 は未接続）と、マスタ送受信部２２とスレーブ送受信
部２４との間に挿入されまた通信データ処理部２７に接
続され送受信する制御データと通信データとを分離多重
し後段の端末（端末２０1 の場合は端末２０2 ）の制御
データに自端末の制御データを多重する分離多重部２３
1 、２３2 と、分離多重部２３を制御し主装置１０へ送
信するデータに自端末の接続箇所を示す識別子を付加し
て転送させ、主装置１０からの制御データに付加された
識別子に基づき自端末宛のデータを取込み後段の端末宛
の制御データをその端末に転送させる送受信制御部２５
1 、２５2 とを含み、主装置１０は送受信する制御デー
タと通信データとを分離多重し送信する制御データに送
信先の端末の識別子を付加する端末インタフェース部１
１を含むことにある。A feature of the present invention is that each of the terminals 20 1 and 20 2 includes communication units 21 1 and 21 2 which are connected in cascade to the main device 10, and each of the communication units 21 1 and 21 2 includes: As a transmitting / receiving means for transmitting / receiving data, the master transmitting / receiving unit 2 connected to the main device 10 and the terminal 20 1 in the preceding stage, respectively.
2 1 , 22 2 and slave transmission / reception units 24 1 , 24 2 (slave transmission / reception unit 24 connected to the terminal 20 2 in the subsequent stage)
2 unconnected), inserted into also the control data to be transmitted and received is connected to the communication data processing unit 27 and the communication data by demultiplexing subsequent terminal between the master transceiver 22 and slave transceiver 24 (the terminal 20 1 In the case of, the demultiplexing unit 23 that multiplexes the control data of its own terminal with the control data of the terminal 20 2 ).
1 , 23 2 and the data for controlling the demultiplexing unit 23 and transmitting to the main device 10 are added with an identifier indicating the connection point of the own terminal and transferred, and based on the identifier added to the control data from the main device 10. A transmission / reception control unit 25 that takes in data addressed to the own terminal and transfers control data addressed to the latter terminal to the terminal
1 and 25 2 , the main device 10 separates and multiplexes the control data to be transmitted and received and the communication data, and adds the identifier of the destination terminal to the control data to be transmitted.
1 is included.

【００１３】また、各通信部２１1 、２１2 は分離多重
部２３1 、２３2 に接続され自端末が接続されている箇
所を示す識別子および後段の端末の有無を検出し検出結
果を送受信制御部２５1 、２５2 に通知する接続検出部
２６1 、２６2を含む。Each of the communication units 21 1 and 21 2 is connected to the demultiplexing and multiplexing units 23 1 and 23 2 to detect an identifier indicating a location to which its own terminal is connected and the presence / absence of a terminal at the subsequent stage and control the transmission / reception of the detection result. including parts 25 1, 25 connection detector 26 1 to notify the 2, 26 2.

【００１４】さらに、端末インタフェース部１２は、各
端末２０1 、２０2 との間で上記データを送受信する伝
送部１４と、伝送部１４に接続され送受信する制御デー
タと通信データとを分離多重するデータ多重部１３と、
データ多重部１３に接続され送信する制御データに送信
先の端末の識別子を付加するインタフェース制御部１１
を含む。Further, the terminal interface unit 12 separates and multiplexes the transmission unit 14 for transmitting / receiving the above-mentioned data to / from each of the terminals 20 1 and 20 2 and the control data and the communication data which are connected to the transmission unit 14 and are transmitted / received. A data multiplexing unit 13,
Interface control unit 11 that is connected to the data multiplexing unit 13 and adds the identifier of the destination terminal to the control data to be transmitted
including.

【００１５】このような構成の制御データ伝送方式の動
作について説明する。The operation of the control data transmission system having such a configuration will be described.

【００１６】図１において、電話交換装置３０は主装置
１０で端末２０1 、２０2 に対してポーリングを行い制
御データおよび通信データを送受信する。In FIG. 1, the telephone exchange device 30 polls the terminals 20 1 and 20 2 by the main device 10 to send and receive control data and communication data.

【００１７】各端末２０は通信部２１で主装置１０に縦
続接続されている。各通信部２１は、マスタ送受信部２
２およびスレーブ送受信部２４でデータを送受信する。
分離多重部２３はマスタ送受信部２２およびスレーブ送
受信部２４の送受信する制御データと通信データとを分
離多重する。また、後段の端末の制御データに自制御デ
ータを多重する。送受信制御部２５は、分離多重部２３
を制御し、主装置１０へ送信するデータに自端末の接続
箇所を示す識別子を付加して転送させ、主装置１０から
の制御データに付加された識別子に基づき自端末宛のデ
ータを取込み後段の端末宛の制御データをその端末に転
送させる。Each terminal 20 is cascade-connected to the main device 10 by a communication section 21. Each communication unit 21 is a master transmission / reception unit 2
2 and the slave transmitting / receiving unit 24 transmits / receives data.
The demultiplexing unit 23 demultiplexes control data and communication data transmitted and received by the master transmission / reception unit 22 and the slave transmission / reception unit 24. Also, the self-control data is multiplexed with the control data of the terminal at the latter stage. The transmission / reception control unit 25 includes a demultiplexing unit 23
Control unit to send data to the main device 10 by adding an identifier indicating the connection point of the self terminal to the data, and fetch data addressed to the self terminal based on the identifier added to the control data from the main device 10 Causes control data for a terminal to be transferred to that terminal.

【００１８】主装置１０の端末インタフェース部１１
は、伝送部１４で各端末２０との間で制御データおよび
通信データを送受信し、データ多重部１３は伝送部１４
からの制御データと通信データとを分離し、分離した通
信データはＰＣＭハイウェイに送出し、分離した制御デ
ータはインタフェース制御部１２に与え、インタフェー
ス制御部１２からの制御データとＰＣＭハイウェイから
の通信データとを多重して伝送部１４に与える。インタ
フェース制御部１２は、制御バスからの制御データに送
信先の端末の識別子を付加してデータ多重部１３に与
え、データ多重部１３からの制御データを制御バスに送
出する。The terminal interface section 11 of the main unit 10
Transmits / receives control data and communication data to / from each terminal 20 from the transmission unit 14, and the data multiplexing unit 13 transmits to the transmission unit 14
Control data from the communication control data from the PCM highway, the separated communication data is sent to the PCM highway, the separated control data is given to the interface control unit 12, the control data from the interface control unit 12 and the communication data from the PCM highway. And are multiplexed and given to the transmission unit 14. The interface control unit 12 adds the identifier of the destination terminal to the control data from the control bus and gives the data to the data multiplexing unit 13, and sends the control data from the data multiplexing unit 13 to the control bus.

【００１９】[0019]

【発明の効果】以上説明したように、本発明は、主装置
のポートおよびインタフェース回路の数を減らし、接続
ケーブルの数量および工事費用の増大を防止できる優れ
た効果がある。As described above, the present invention has an excellent effect that the number of ports and interface circuits of the main device can be reduced and the increase of the number of connecting cables and the construction cost can be prevented.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明一実施例制御データ伝送方式のブロック
構成図。FIG. 1 is a block configuration diagram of a control data transmission system according to an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

１０ 主装置 １１ 端末インタフェース部 １２ インタフェース制御部 １３ データ多重部 １４ 伝送部 ２０1 、２０2 端末 ２１1 、２１2 通信部 ２２1 、２２2 マスタ送受信部 ２３1 、２３2 分離多重部 ２４1 、２４2 スレーブ送受信部 ２５1 、２５2 送受信制御部 ２６1 、２６2 接続検出部 ２７1 、２７2 通信データ処理部 ３０ 電話交換装置10 main device 11 terminal interface unit 12 interface control unit 13 data multiplexing unit 14 transmission unit 20 1 , 20 2 terminal 21 1 , 21 2 communication unit 22 1 , 22 2 master transmission / reception unit 23 1 , 23 2 demultiplexing unit 24 1 , 24 2 Slave transmission / reception unit 25 1 , 25 2 Transmission / reception control unit 26 1 , 26 2 Connection detection unit 27 1 , 27 2 Communication data processing unit 30 Telephone exchange device

Claims (3)

【特許請求の範囲】[Claims] 【請求項１】 複数の端末と、この複数の端末に対して
ポーリングを行い制御データおよび通信データを送受信
する主装置を含む電話交換装置とを備えた制御データ伝
送方式において、 上記各端末は上記主装置に縦続接続された通信部を含
み、 上記各通信部は、上記データを送受信する送受信手段
と、この送受信手段に接続され送受信する制御データと
通信データとを分離多重し後段の端末の制御データに自
制御データを多重する分離多重部と、この分離多重部を
制御し上記主装置へ送信するデータに自端末の接続箇所
を示す識別子を付加して転送させ上記主装置からの制御
データに付加された識別子に基づき自端末宛のデータを
取込み後段の端末宛の制御データをその端末に転送させ
る送受信制御部とを含み、 上記主装置は送受信する制御データと通信データとを分
離多重し送信する制御データに送信先の端末の識別子を
付加する端末インタフェース部を含むことを特徴とする
請求項１記載の制御データ伝送方式。1. A control data transmission system comprising a plurality of terminals and a telephone switching device including a main device for polling the plurality of terminals and transmitting and receiving control data and communication data, wherein each of the terminals is The communication unit includes a communication unit cascade-connected to the main device, wherein each of the communication units separates and multiplexes transmission / reception means for transmitting / receiving the data, and control data / communication data for transmission / reception connected to the transmission / reception means to control terminals at subsequent stages. A demultiplexing unit that multiplexes its own control data with the data, and controls the demultiplexing and multiplexing unit to add the identifier indicating the connection point of its own terminal to the data to be transmitted to the main device and transfer it to the control data from the main device. The main device includes a transmission / reception control unit that takes in the data addressed to the own terminal based on the added identifier and transfers the control data addressed to the latter terminal to the terminal. 2. The control data transmission system according to claim 1, further comprising a terminal interface unit for adding the identifier of the destination terminal to the control data for multiplexing and transmitting the data and the communication data. 【請求項２】 上記各通信部は上記分離多重部に接続さ
れ自端末が接続されている箇所を示す識別子および後段
の端末の有無を検出し検出結果を上記送受信制御部に通
知する接続検出部を含む請求項１記載の制御データ伝送
方式。2. The connection detecting unit, wherein each of the communication units detects an identifier indicating a location connected to the demultiplexing / multiplexing unit and its own terminal and the presence / absence of a terminal at a subsequent stage, and notifies the transmission / reception control unit of the detection result. The control data transmission method according to claim 1, further comprising: 【請求項３】 上記端末インタフェース部は、上記各端
末との間で上記データを送受信する伝送部と、この伝送
部に接続され送受信する制御データと通信データとを分
離多重するデータ多重部と、このデータ多重部に接続さ
れ送信する制御データに送信先の端末の識別子を付加す
るインタフェース制御部を含む請求項１記載の制御デー
タ伝送方式。3. The terminal interface unit includes a transmission unit that transmits and receives the data to and from the terminals, and a data multiplexing unit that is connected to the transmission unit and that separates and multiplexes control data and communication data that are transmitted and received. 2. The control data transmission system according to claim 1, further comprising an interface control unit connected to the data multiplexing unit and adding the identifier of the destination terminal to the control data to be transmitted.
JP17394291A 1991-07-15 1991-07-15 Control data transmission system Pending JPH0522764A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17394291A JPH0522764A (en) 1991-07-15 1991-07-15 Control data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17394291A JPH0522764A (en) 1991-07-15 1991-07-15 Control data transmission system

Publications (1)

Publication Number Publication Date
JPH0522764A true JPH0522764A (en) 1993-01-29

Family

ID=15969927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17394291A Pending JPH0522764A (en) 1991-07-15 1991-07-15 Control data transmission system

Country Status (1)

Country Link
JP (1) JPH0522764A (en)

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