JPS6223652A - Data transmission system - Google Patents

Data transmission system

Info

Publication number
JPS6223652A
JPS6223652A JP16456185A JP16456185A JPS6223652A JP S6223652 A JPS6223652 A JP S6223652A JP 16456185 A JP16456185 A JP 16456185A JP 16456185 A JP16456185 A JP 16456185A JP S6223652 A JPS6223652 A JP S6223652A
Authority
JP
Japan
Prior art keywords
data transmission
connection terminal
connection
loop
transmission line
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.)
Granted
Application number
JP16456185A
Other languages
Japanese (ja)
Other versions
JP2693752B2 (en
Inventor
Yoshihiko Hasegawa
長谷川　嘉彦
Masahiro Maeda
正博 前田
Noboru Ando
昇 安藤
Susumu Chikasawa
近澤　進
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
Nippon Steel Corp
Original Assignee
NEC Corp
Nippon Steel 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, Nippon Steel Corp filed Critical NEC Corp
Priority to JP60164561A priority Critical patent/JP2693752B2/en
Publication of JPS6223652A publication Critical patent/JPS6223652A/en
Application granted granted Critical
Publication of JP2693752B2 publication Critical patent/JP2693752B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PURPOSE:To eliminate a data transmission equipment having a fault without stopping once a data transmission line from a system by providing the transmission line of duplicated constitution as the transmission line and the 1st switch circuit and the 2nd switch circuit interlocked together as a connection means. CONSTITUTION:Two switch circuits 2a, 2b and the switch circuit 2a has connection terminals (a, b) to the data transmitter side and connection terminals (e, f) to the loop transmission side. The connection terminal (a) is connected to the connection terminal (e) and the connection terminal (b) is connected to the connection terminal (f) respectively in the switch circuit 2a and a connection terminal (c) is connected to a connection terminal (g) and a connection terminal (d) is connected to a connection terminal (h) respectively in the switch circuit 1b. In the 2nd connection state as above, the data transmitter 1a is connected to the loop transmission line 4, on the other hand, the data transmitter 1b is connected to the loop transmission line 3. The path representing the connection state is a path shown in one-dashed chain lines. That is, the connection between the data transmitters 1a, 1b and the loop transmission lines 3, 4 is replaced depending on the connection state.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、ループ式伝送系の回線切換手段に関する。特
に、稼動系と待機系とにそれぞれ独立したループ式デー
タ伝送路に接続されたデータ伝送装置を互いに交換する
端局切換手段に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to line switching means for a loop transmission system. In particular, the present invention relates to terminal switching means for mutually exchanging data transmission devices connected to independent loop data transmission lines in an active system and a standby system.

〔概　要〕〔overview〕

本発明は、二重構成のデータ伝送装置がループ状伝送路
を介して業務処理を行うデータ伝送方式伝送路も二重構
成として、稼動系または待機系伝送路のいずれかに自在
にデータ伝送装置を接続することにより、 障害の発生した稼動中のデータ伝送装置を待機系の伝送
路に接続して保全修理を行うとともに、この障害装置に
代わり待機中のデータ伝送装置を稼動系に編入すること
ができるようにしたものである。The present invention provides a data transmission system in which a data transmission device with a dual configuration performs business processing via a loop-shaped transmission path.The transmission path is also a dual configuration, and the data transmission device can be freely set to either an active system or a standby system transmission path. By connecting the faulty data transmission equipment to the standby system transmission line, maintenance and repair can be carried out, and the standby data transmission equipment can be incorporated into the active system in place of the faulty equipment. It was made so that it could be done.

〔従来の技術〕[Conventional technology]

従来例ループ状データ伝送系統では、一つのループ式デ
ータ伝送路に接続されるデータ伝送装置を二重構成にし
２て、一方のデータ伝送装置をループ式データ伝送路に
接続し、他方を予備とし２て待機させて切換え運用して
いた。In a conventional loop data transmission system, the data transmission devices connected to one loop data transmission path are configured in duplicate, with one data transmission device connected to the loop data transmission path and the other used as a backup. 2 and was put on standby and switched over.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

このような従来例方式では、回線切換の対象となるルー
プ式データ伝送路が一つであり、予備のデータ伝送装置
が通常データ伝送路に接続されていないので、稼動時に
動作するか否かの（ｉ！認が容易ではなく、また障害の
発生したデータ伝送装置を系統から除去するときにはデ
ータ伝送路を一旦停止しなければならない欠点がある。In such conventional methods, there is only one loop data transmission path that is subject to circuit switching, and the backup data transmission device is not connected to the normal data transmission path, so it is difficult to determine whether it will operate during operation. (i!) It is not easy to identify, and the data transmission line must be temporarily stopped when a data transmission device in which a fault has occurred is removed from the system.

本発明は、このような欠点を解決するもので、データ伝
送路を一旦停止せずに障害の発生したデータ伝送装置を
系統から除去することができるデータ伝送方式を提供す
ることを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a data transmission system capable of removing a faulty data transmission device from a system without temporarily stopping the data transmission path.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は、ループ状伝送路と、二重構成のデータ伝送装
置と、このデータ伝送装置を上記伝送路に接続する接続
手段とを備えたデータ伝送方式において、旧記伝送路は
、二重構成の伝送回線であり、上記接続手段は、互いに
連動する第一のスイッチ回路および第二のスイッチ回路
を備え、この二つのスイッチ回路は、第一の切換位置で
は、一方の伝送回線と一方のデータ伝送装置を接続し、
他方の伝送回線と他方のデータ伝送装置を接続し、第二
の切換位置では、一方の伝送回線と他方のＹ−夕伝送装
置を接続し、他方の伝送回線と一方のデ〜り伝送装置を
接続する構成であることを特徴とする。The present invention provides a data transmission method comprising a loop-shaped transmission path, a duplex data transmission device, and a connection means for connecting the data transmission device to the transmission path, in which the old transmission path has a duplex configuration. a transmission line, and the connection means includes a first switch circuit and a second switch circuit that interlock with each other, and the two switch circuits, in the first switching position, connect one transmission line and one data transmission line. connect the device,
The other transmission line and the other data transmission device are connected, and in the second switching position, the one transmission line and the other data transmission device are connected, and the other transmission line and the one data transmission device are connected. It is characterized by a configuration in which it is connected.

〔作　用〕[For production]

本発明は、二重構成のループ状伝送路およびデータ伝送
装置の一方は稼動系に属し、他方に待機系に属するよう
に接続手段により接続される。稼動系では、オンライン
業務処理が行われ、一方、待機系では、システム開発お
よびテストなどのオフライン業務が行われる。データ伝
送装置あるいは伝送路のいずれが障害になっても、切換
接続を行い障害のない稼動系を構築することができる。In the present invention, a loop-shaped transmission line and a data transmission device having a dual configuration are connected by a connecting means so that one belongs to the active system and the other belongs to the standby system. The active system performs online business processing, while the standby system performs offline business such as system development and testing. Even if there is a failure in either the data transmission device or the transmission line, switching connections can be made and a failure-free operating system can be constructed.

〔実施例〕〔Example〕

以下、本発明実施例装置を図面に基づいて説明する。 DESCRIPTION OF THE PREFERRED EMBODIMENTS A device according to an embodiment of the present invention will be explained below based on the drawings.

第１図は本発明実施例装置の構成を示す回路接続図であ
る。第２図は本発明装置が接続される系統の構成を示す
ブロック構成図である。FIG. 1 is a circuit connection diagram showing the configuration of an apparatus according to an embodiment of the present invention. FIG. 2 is a block configuration diagram showing the configuration of a system to which the device of the present invention is connected.

この系統では、ループ状伝送路３および４にデータ伝送
装置１ａおよび１ｂが回線切換器２を介してそれぞれ接
続される。このループ状伝送路３は稼動系として、また
ループ状伝送路４は待機系として使用され、回線切換器
２に接続するデータ伝送装置１ａおよび１ｂのループ式
データ伝送路３および４との相互接続関係は回線切換器
２の切換状態により入れ替えられる。In this system, data transmission devices 1a and 1b are connected to loop-shaped transmission lines 3 and 4, respectively, via a line switch 2. This loop-shaped transmission line 3 is used as an active system, and the loop-shaped transmission line 4 is used as a standby system. The relationship is switched depending on the switching state of the line switch 2.

まず、この実施例装置の構成を第１図に基づいて説明す
る。この実施例装置は、二つのスイッチ回路２ａおよび
２ｈとを備え、スイッチ回路２ａはデータ伝送装置側に
接続端子ａおよびｂを有し、ループ状伝送路側に接続端
子ｅおよびｒを有する。First, the configuration of this embodiment device will be explained based on FIG. The device of this embodiment includes two switch circuits 2a and 2h, and the switch circuit 2a has connection terminals a and b on the data transmission device side, and connection terminals e and r on the loop-shaped transmission path side.

また、スイッチ回路２ｂはデータ伝送装置側に接続端子
Ｃおよびｄを有し、ループ状伝送路側に接続端子ｇおよ
びｈを有する。接続端子ａはデータ伝送装置１ｂの入力
に接続され、接続端子すはデータ伝送装置１ａの入力に
接続される。また、接続端子ｅはループ状伝送路３の出
力に接続され、接続端子ｆはループ状伝送路４の出力に
接続される。接続端子Ｃはデータ伝送装置１ａの出力に
接続され、接続端子ｄはデータ伝送装置１））の出力に
接続される。接続端子ｇはループ状伝送路４の入力に接
続され、接続端子りはループ状伝送路３の入力に接続さ
れる。Further, the switch circuit 2b has connection terminals C and d on the data transmission device side, and connection terminals g and h on the loop-shaped transmission path side. Connection terminal a is connected to an input of data transmission device 1b, and connection terminal A is connected to an input of data transmission device 1a. Further, the connection terminal e is connected to the output of the loop-shaped transmission line 3, and the connection terminal f is connected to the output of the loop-shaped transmission line 4. Connection terminal C is connected to the output of data transmission device 1a, and connection terminal d is connected to the output of data transmission device 1)). The connection terminal g is connected to the input of the loop-shaped transmission line 4, and the connection terminal g is connected to the input of the loop-shaped transmission line 3.

次に、この実施例装置の動作を第１図に基づいて説明す
る。Next, the operation of this embodiment device will be explained based on FIG.

はじめに、スイッチ回路２ａで、接続端子ａが接続端子
ｆに、かつ接続端子すが接続端子Ｃにそれぞれ接続され
、また、スイッチ回路２ｈで、接続端子Ｃが接続端子り
に、かつ接続端子ｄが接続端子ｇにそれぞれ接続される
第一の接続状態では、データ伝送装置１ａはループ状伝
送路３に接続され、一方、データ伝送装置１ｂはループ
状伝送路４に接続される。この接続状態を示す経路は第
１図の破線で示す経路である。First, in the switch circuit 2a, the connection terminal a is connected to the connection terminal f, and the connection terminal is connected to the connection terminal C, and in the switch circuit 2h, the connection terminal C is connected to the connection terminal R, and the connection terminal d is connected to the connection terminal C. In the first connection state in which they are respectively connected to the connection terminals g, the data transmission device 1a is connected to the loop-shaped transmission path 3, while the data transmission device 1b is connected to the loop-shaped transmission path 4. The route showing this connection state is the route shown by the broken line in FIG.

次に、スイッチ回路２ａで、接続端子ａが接続端子ｅに
、かつ接続端子すが接続端子ｆにそれぞれ接続され、ま
た、スイッチ回路１ｂで、接続端子Ｃが接続端子ｇに、
かつ接続端子ｄが接続端子りにそれぞれ接続される第二
の接続状態では、データ伝送装置１ａはループ状伝送路
４に接続され、一方、データ伝送装置１ｂはループ状伝
送路３に接続される。この接続状態を示す経路は第１図
に一点鎖線で示す経路である。Next, in the switch circuit 2a, the connection terminal a is connected to the connection terminal e, and the connection terminal is connected to the connection terminal f, and in the switch circuit 1b, the connection terminal C is connected to the connection terminal g.
In the second connection state in which the connection terminals d are respectively connected to the connection terminals, the data transmission device 1a is connected to the loop-shaped transmission path 4, while the data transmission device 1b is connected to the loop-shaped transmission path 3. . The route showing this connection state is the route shown by the dashed line in FIG.

すなわち、接続状態に応じて、データ伝送装置Ｉａおよ
びＩｂとループ状伝送路３および４との接続が入れ替わ
る。That is, the connections between the data transmission devices Ia and Ib and the loop-shaped transmission lines 3 and 4 are switched depending on the connection state.

〔発明の効果〕〔Effect of the invention〕

本発明は以上説明したように、稼動系と待機系に分かれ
、稼動系は通常のオンライン業務処理を行い、一方待機
系はシステム開発およびテストに用いるシステムのルー
プ式データ伝送路として運用されており、それぞれのル
ープ式データ伝送路のデータ伝送装置を回線切換器を用
いて入れ替えができるので、稼動系のループ式データ伝
送路のデータ伝送装置に障害が発生した場合に待機系の
ループ式データ伝送路のデータ伝送装置に切換ることが
でき、また、障害が発生したデータ伝送装置を待機系の
ループ式データ伝送路に接続することにより保全修理な
どが容易に行える効果がある。As explained above, the present invention is divided into an active system and a standby system, and the active system performs normal online business processing, while the standby system is operated as a loop data transmission path for the system used for system development and testing. Since the data transmission equipment on each loop data transmission line can be replaced using a line switch, if a failure occurs in the data transmission equipment on the active loop data transmission line, the standby loop data transmission can be replaced. Furthermore, maintenance and repair work can be easily carried out by connecting a failed data transmission device to a standby loop data transmission path.

悔regret

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明実施例装置の構成を示す回路接続図。 第２図は第１図の回路切換器を備える系統の構成を示す
ブロック構成図。 ｌａ、Ｉｂ・・・データ伝送装置、２・・・回線切換器
、２ａ、２ｂ・・・スイッチ回路、３．４・・・ループ
状伝送路、ａ　％　ｈ・・・接続端子。 １、ぺｌ・”？−１、 第　　　１　　　図FIG. 1 is a circuit connection diagram showing the configuration of an apparatus according to an embodiment of the present invention. FIG. 2 is a block configuration diagram showing the configuration of a system including the circuit switch of FIG. 1. la, Ib...data transmission device, 2...line switch, 2a, 2b...switch circuit, 3.4...loop transmission path, a% h...connection terminal. 1, Pel・”?-1, Fig. 1

Claims (1)

【特許請求の範囲】[Claims] （１）ループ状伝送路と、 二重構成のデータ伝送装置と、 このデータ伝送装置を上記伝送路に接続する接続手段と を備えたデータ伝送方式において、 上記伝送路は、二重構成の伝送回線であり、上記接続手
段は、互いに連動する第一のスイッチ回路および第二の
スイッチ回路を備え、 この二つのスイッチ回路は、 第一の切換位置では、一方の伝送回線と一方のデータ伝
送装置を接続し、他方の伝送回線と他方のデータ伝送装
置を接続し、 第二の切換位置では、一方の伝送回線と他方のデータ伝
送装置を接続し、他方の伝送回線と一方のデータ伝送装
置を接続する構成である ことを特徴とするデータ伝送方式。(1) In a data transmission method comprising a loop-shaped transmission path, a duplex data transmission device, and a connecting means for connecting the data transmission device to the transmission path, the transmission path is a duplex transmission device. The connection means includes a first switch circuit and a second switch circuit that operate in conjunction with each other, and in the first switching position, the two switch circuits are connected to one transmission line and one data transmission device. and connect the other transmission line and the other data transmission device; and in the second switching position, connect the one transmission line and the other data transmission device, and connect the other transmission line and the one data transmission device. A data transmission method characterized by a configuration in which connections are made.
JP60164561A 1985-07-24 1985-07-24 Data transmission method Expired - Lifetime JP2693752B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60164561A JP2693752B2 (en) 1985-07-24 1985-07-24 Data transmission method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60164561A JP2693752B2 (en) 1985-07-24 1985-07-24 Data transmission method

Publications (2)

Publication Number Publication Date
JPS6223652A true JPS6223652A (en) 1987-01-31
JP2693752B2 JP2693752B2 (en) 1997-12-24

Family

ID=15795500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60164561A Expired - Lifetime JP2693752B2 (en) 1985-07-24 1985-07-24 Data transmission method

Country Status (1)

Country Link
JP (1) JP2693752B2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5252503A (en) * 1975-10-27 1977-04-27 Hitachi Ltd Loop-type data transmission system
JPS581359A (en) * 1981-06-26 1983-01-06 Toshiba Corp Plant monitoring controller
JPS585057A (en) * 1981-07-01 1983-01-12 Nec Corp Loop transmission line switching system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5252503A (en) * 1975-10-27 1977-04-27 Hitachi Ltd Loop-type data transmission system
JPS581359A (en) * 1981-06-26 1983-01-06 Toshiba Corp Plant monitoring controller
JPS585057A (en) * 1981-07-01 1983-01-12 Nec Corp Loop transmission line switching system

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Publication number Publication date
JP2693752B2 (en) 1997-12-24

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