JPS61230528A - Transmission line switch - Google Patents
Transmission line switchInfo
- Publication number
- JPS61230528A JPS61230528A JP7231685A JP7231685A JPS61230528A JP S61230528 A JPS61230528 A JP S61230528A JP 7231685 A JP7231685 A JP 7231685A JP 7231685 A JP7231685 A JP 7231685A JP S61230528 A JPS61230528 A JP S61230528A
- Authority
- JP
- Japan
- Prior art keywords
- transmission line
- transmission lines
- working
- lines
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、ｎ本の現用伝送路に対して１本の予備伝送路
を備えた場合の伝送路切替装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a transmission line switching device in which one protection transmission line is provided for n working transmission lines.
発明の概要
本発明は、現用伝送路が障害を発生したときに予備伝送
路に切替え接続するための伝送路切替装置において、
ｎＸ （ｎ＋１）のマトリックススイッチの出力端子に
ｎ本の現用伝送路と１本の予備伝送路を接続し、複数の
現用伝送路が障害を発生したときは、１本の現用伝送路
は予備伝送路に切替え接続し、他の現用伝送路は、（優
先順位の低い）任意の現用伝送路を使用して救済できる
ようにした伝送路切替装置である。Summary of the Invention The present invention provides a transmission line switching device for switching and connecting to a protection transmission line when a fault occurs in a working transmission line, in which n working transmission lines and n working transmission lines are connected to output terminals of nX (n+1) matrix switches. If one protection transmission line is connected and multiple working transmission lines fail, one working transmission line will be switched to the protection transmission line, and the other working transmission lines (with lower priority) will be connected. ) This is a transmission line switching device that can use any currently used transmission line for relief.
切替えの自由度を増大し、複数の現用伝送路が障害を発
生した場合においても重要な伝送路を救済することがで
きるという効果がある。This has the effect of increasing the degree of freedom in switching and making it possible to rescue important transmission lines even if a failure occurs in a plurality of active transmission lines.
従来技術
第２図は従来の伝送路切替装置の一例を示す回路図であ
り、ｎ個の入力端子１−１〜１−ｎと（ｎ＋ １）個の
出力端子３−１〜３−（ｎ＋１） トを有する。ｎ個の
切替継電器２−１〜２−ｎの各コモン端子をそれぞれ入
力端子として現用機器（または伝送路）に接続し、各切
替継電器の平常接点は出力端子３−１〜３−ｎとされて
おり、それぞれ現用伝送路に接続される。上記ｎ個の切
替継電器の切替接点はマルチ接−されて出力端子３−（
ｎ＋１）とされ、予備伝送路に接続されている。ここに
入力または出力というのは、スイッチ回路の入力側、出
力側ということを意味し、伝送方向の入出力を意味する
ものではない、従って、伝送方向は任意であり、いずれ
の方向の信号も伝送することができるものである。Prior Art FIG. 2 is a circuit diagram showing an example of a conventional transmission line switching device, in which n input terminals 1-1 to 1-n and (n+1) output terminals 3-1 to 3-(n+1 ). Each common terminal of the n switching relays 2-1 to 2-n is connected to the current equipment (or transmission line) as an input terminal, and the normal contacts of each switching relay are output terminals 3-1 to 3-n. and each is connected to the current transmission line. The switching contacts of the above n switching relays are multi-connected and the output terminal 3-(
n+1) and is connected to the backup transmission line. Here, input or output means the input side or output side of the switch circuit, and does not mean input or output in the transmission direction.Therefore, the transmission direction is arbitrary, and signals in either direction are It is something that can be transmitted.
上述の従来装置は１例えば出力端子３−１に接続されて
いる現用伝送路が障害を発生したときは、第３図に示す
ように、切替継電器２−１を動作させることにより、そ
のコモン端子を出力端子３−（ｎ＋１）に切替接続すれ
ば、入力端子１−１に接続されている現用機器は、出力
端子３−（ｎ＋１）を通して予備伝送路に切替え接続さ
れる。すなわち障害伝送路を予備伝送路に切替えて、通
信を継続することができる。For example, when a fault occurs in the current transmission line connected to the output terminal 3-1, the above-mentioned conventional device operates the switching relay 2-1 as shown in FIG. If it is switched and connected to the output terminal 3-(n+1), the current equipment connected to the input terminal 1-1 is switched and connected to the backup transmission line through the output terminal 3-(n+1). That is, the failed transmission path can be switched to the backup transmission path and communication can be continued.
しかし、複数の現用伝送路が障害になったときは、いず
れか一方を予備伝送路に切替えることはできるが他方は
障害のまま放置される。現用伝送路中には、現在通信中
でないものや障害になった伝送路よりも重要度が低い回
線に使用されているもの等があるが、これらを使用して
重要な障害伝送路を救済することは不可能である。However, when a plurality of working transmission lines become faulty, one of them can be switched to a protection transmission line, but the other one is left as faulty. Some of the current transmission lines are not currently in use or are used for lines that are less important than the failed transmission line, but these can be used to rescue the important failed transmission line. That is impossible.
発明が解決しようとする問題点
本発明は、上述した従来の欠点を解決し、複数の現用伝
送路が障害を発生した場合は、予備伝送路の他に、例え
ば現在使用中でない現用伝送路または重要度の低い現用
伝送路を使用して障害回線を切替えることができるよう
にする。Problems to be Solved by the Invention The present invention solves the above-mentioned conventional drawbacks, and when a failure occurs in a plurality of working transmission lines, in addition to the backup transmission line, for example, a working transmission line that is not currently in use or To enable switching of a faulty line using a working transmission line of low importance.
発明の構成
本発明の伝送路切替装置は、ｎ入力×（ｎ＋１）出力の
マトリックススイッチ回路のｎ（［の入力端子にそれぞ
れ現用機器または現用伝送路を接続し、（ｎ＋１）個の
出力端子にはｎ木の現用伝送路と１本の予備伝送路とを
接続して、出力端子に接続された現用伝送路のうち１本
が障害を発生したときは該現用伝送路に接続されていた
入力端子側の現用機器または伝送路は予備伝送路が接続
されている出力端子に切替接続し、出力端子側に接続さ
れている複数の現用伝送路が障害を発生したときは、入
力側の現用機器または伝送路のうちの１つは出力側の予
備伝送路に接続し、他の現用機器または伝送路は出力側
の現用伝送路のうちの任意の伝送路に切替接続可能とし
たことを特徴とする。Composition of the Invention The transmission line switching device of the present invention connects a current device or a current transmission line to each input terminal of n([) of a matrix switch circuit with n inputs and (n+1) outputs, and connects a current device or a current transmission line to the input terminals of connects n working transmission lines and one backup transmission line, and when one of the working transmission lines connected to the output terminal fails, the input connected to the working transmission line is connected to the output terminal. The active equipment or transmission line on the terminal side is switched and connected to the output terminal to which the backup transmission line is connected, and when a failure occurs in multiple active transmission lines connected to the output terminal side, the active equipment on the input side Alternatively, one of the transmission lines is connected to a backup transmission line on the output side, and other working equipment or transmission lines can be switched and connected to any one of the working transmission lines on the output side. do.
発明の実施例
次に、本発明について１図面を参照して詳細に説明する
。Embodiments of the Invention Next, the present invention will be described in detail with reference to one drawing.
第１図は、本発明の一実施例を示す図である。FIG. 1 is a diagram showing an embodiment of the present invention.
すなわち、ｎ入力ｘ（ｎ＋ｔ）出力のマトリックススイ
ッチ４のｎ個の入力端子ｉｌ〜１−ｎにそれぞれ現用機
器または伝送路を接続し、（ｎ＋１）個の出力端子には
ｎ本の現用伝送路と１本の予備伝送路とを接続する０例
えば、出力端子３−１〜３−ｎにそれぞれ現用伝送路を
接続し、出力端子３−（ｎ＋１）には予備伝送路を接続
しておく、マトリックススイッチ４は、任意の入力端子
と任意の出力端子を組合わせて接続することが可能であ
る。That is, the n input terminals il to 1-n of the matrix switch 4 with n inputs x (n+t) outputs are connected to the current equipment or transmission lines, respectively, and the (n+1) output terminals are connected to the n current transmission lines. For example, a working transmission line is connected to each of the output terminals 3-1 to 3-n, and a protection transmission line is connected to the output terminal 3-(n+1). The matrix switch 4 can connect any input terminal and any output terminal in combination.
従って１本実施例においては、マトリックススイッチ４
の出力端子に接続された現用伝送路のうち複数の伝送路
が障害を発生した場合においても。Therefore, in this embodiment, the matrix switch 4
Even if multiple transmission lines among the currently used transmission lines connected to the output terminal of the unit fail.
一方を予備伝送路に切替接続して救済し、他方は、例え
ば現在使用中でない現用伝送路または重要度の低い通信
に使用されている現用伝送路に切替え接続するこによっ
て救済することが可能であり、最高ｎ ／ ２ ＋ １
本（ただし４捨５人するものとする）の現用伝送路の障
害まで救済することが可能となる。One can be rescued by switching to a backup transmission line, and the other can be rescued, for example, by switching and connecting to a working transmission line that is not currently in use or a working transmission line that is used for less important communications. Yes, up to n/2 + 1
It becomes possible to repair failures in the current transmission line (provided that only four or five people are involved).
発明の効果
以上のように１本発明においては、ｎＸ （ｎ＋１）マ
トリックススイッチのｎ＋１個の出力端子に、ｎ本の現
用伝送路と１本の予備伝送路を接続した構成としたから
、複数の現用伝送路が障害を発生した場合において、予
備伝送路および重要でない現用伝送路を使用して重要な
伝送路を切替え接続することができるという効果がある
。Effects of the Invention As described above, in the present invention, n working transmission lines and one protection transmission line are connected to the n+1 output terminals of the nX (n+1) matrix switch, so that multiple When a failure occurs in the working transmission line, there is an effect that the important transmission line can be switched and connected using the backup transmission line and the unimportant working transmission line.
第１図は本発明の一実施例を示す図、第２図は従来の伝
送路切替装置の一例を示す回路図、第３図は上記従来例
の切替え接続の一例を示す回路図である。
図ニオイテ、ｌ−１〜１−ｎ：入力端子、２−１〜２−
ｎ：切替継電器、３−１〜３−（ｎ＋１） ：出力端子
、４：マトリックススイッチ。FIG. 1 is a diagram showing an embodiment of the present invention, FIG. 2 is a circuit diagram showing an example of a conventional transmission line switching device, and FIG. 3 is a circuit diagram showing an example of the switching connection of the conventional example. Figure 1, l-1 to 1-n: input terminals, 2-1 to 2-
n: switching relay, 3-1 to 3-(n+1): output terminal, 4: matrix switch.
Claims (1)
ｎ個の入力端子にそれぞれ現用機器または現用伝送路を
接続し、（ｎ＋１）個の出力端子にはｎ本の現用伝送路
と１本の予備伝送路とを接続して、出力端子に接続され
た現用伝送路のうち１本が障害を発生したときは該現用
伝送路に接続されていた入力端子側の現用機器または伝
送路は予備伝送路が接続されている出力端子に切替接続
し、出力端子側に接続されている複数の現用伝送路が障
害を発生したときは、入力側の現用機器または伝送路の
うちの１つは出力側の予備伝送路に接続し、他の現用機
器または伝送路は出力側の現用伝送路のうちの任意の伝
送路に切替接続可能としたことを特徴とする伝送路切替
装置。Each of the n input terminals of a matrix switch circuit with n inputs and (n+1) outputs is connected to a working device or a working transmission line, and the (n+1) output terminals are connected to n working transmission lines and one backup transmission line. If one of the working transmission lines connected to the output terminal fails, the active equipment or transmission line on the input terminal side that was connected to the working transmission line will be switched to the backup transmission line. When a fault occurs in multiple active transmission lines connected to the output terminal side, one of the active equipment on the input side or one of the transmission lines is connected to the output side as a backup. 1. A transmission line switching device that is connected to a transmission line, and is capable of switching and connecting other currently used equipment or transmission lines to any of the currently used transmission lines on the output side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7231685A JPS61230528A (en) | 1985-04-05 | 1985-04-05 | Transmission line switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7231685A JPS61230528A (en) | 1985-04-05 | 1985-04-05 | Transmission line switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61230528A true JPS61230528A (en) | 1986-10-14 |
Family
ID=13485748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7231685A Pending JPS61230528A (en) | 1985-04-05 | 1985-04-05 | Transmission line switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61230528A (en) |
-
1985
- 1985-04-05 JP JP7231685A patent/JPS61230528A/en active Pending
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