JPS60178722A - Switching device of transmission line - Google Patents
Switching device of transmission lineInfo
- Publication number
- JPS60178722A JPS60178722A JP3473884A JP3473884A JPS60178722A JP S60178722 A JPS60178722 A JP S60178722A JP 3473884 A JP3473884 A JP 3473884A JP 3473884 A JP3473884 A JP 3473884A JP S60178722 A JPS60178722 A JP S60178722A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- switching
- switch
- transmission line
- 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
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】
発明の属する技術分野
本発明は伝送路切替方式における伝送路切替装置、に関
するものである。DETAILED DESCRIPTION OF THE INVENTION Technical Field The present invention relates to a transmission line switching device in a transmission line switching system.
従来技術の説明
従来の伝送路切替装置において、伝送路切替器は信号切
替器と回線終端器が独立分離した構成となっているので
、信号切替器専用の設置場所を必要としていた。又、信
号切替器の現用信号入力端子へ接続されるケーブル、あ
るいは回線終端器と信号切替器間を接続するためのケー
ブル等、信号切替器に集中するケーブルが非常に多数に
のぼっていた。Description of the Prior Art In a conventional transmission line switching device, the transmission line switching device has a configuration in which a signal switching device and a line terminator are independently separated, and therefore, a dedicated installation location for the signal switching device is required. Furthermore, a large number of cables are concentrated on the signal switch, such as cables connected to the current signal input terminal of the signal switch or cables for connecting between the line terminator and the signal switch.
従って、信号切替器、専用の設置場所を用意しなければ
ならないし、又、多くのケーブルが信号切替器に集中し
すぎるために、ケーブルの接続工事、伝送路切替器の保
守、管理及び現用信号増設によるケーブル接続の追加等
の作業は非常に煩雑となるという欠点があった。Therefore, it is necessary to prepare a dedicated installation location for the signal switch, and since too many cables are concentrated at the signal switch, cable connection work, maintenance and management of the transmission line switch, and current signal There is a drawback that the work of adding cable connections due to expansion becomes extremely complicated.
第１図は従来落術による伝送路切替方式における送信側
切替回路の、構成を示す。伝送される信号は、信号切替
器２２の現用信号入力端子１〜９を通って回線終端器８
０〜８２の局内１Ｉｌｌ値号入力端子８８〜９６に接続
される。該偵は、これらの回線終端器８０〜８２で信号
処理さｎた後に、局外伝送路１１２〜１１４へ送出され
る。FIG. 1 shows the configuration of a transmitting side switching circuit in a conventional transmission path switching system using trickery. The signals to be transmitted pass through the current signal input terminals 1 to 9 of the signal switch 22 and are sent to the line terminator 8.
It is connected to the intra-office 1Ill value input terminals 88-96 of 0-82. After the signal is processed by these line terminators 80-82, it is sent to external transmission lines 112-114.
従来の装置は、図示の如く、現用信号入カ端子１〜９、
現用信号出力端子１０〜１８及び切替信号出力端子１９
〜２１が１台の信号切替器２２にまとめて設けられてい
る。現用信号入力端子１〜９と切替信号出力端子１９〜
２１は、スインｙ−２３〜３１にｘｐ接続さｎる。現用
信号出力端子１０〜１８と切替信号出力端子１９〜２１
はケーブルでそｎぞれ回線終端器８０〜８３に接続さｎ
ている。従って、通常、現用信号入力端子１〜３に入力
さｎた信号は、現用信号出力端子１０〜１２を通って回
線終端器８０に接続される。As shown in the figure, the conventional device has working signal input terminals 1 to 9,
Current signal output terminals 10 to 18 and switching signal output terminal 19
21 are collectively provided in one signal switch 22. Current signal input terminals 1 to 9 and switching signal output terminals 19 to
21 is xp connected to the spindles 23 to 31. Current signal output terminals 10 to 18 and switching signal output terminals 19 to 21
are connected to the line terminators 80 to 83 by cable respectively.
ing. Therefore, normally, the signals inputted to the working signal input terminals 1 to 3 are connected to the line terminator 80 through the working signal output terminals 10 to 12.
ここで、局外伝送路１１２が障害の時にはスイッチ２３
〜２５が動作して信号は、切替信号出力端子１９〜２１
を通って正常な局外伝送路１１５を持つ回線終端器８３
に接続さｎる。Here, when the external transmission line 112 is in trouble, the switch 23
~25 operates and the signal is output from the switching signal output terminals 19~21.
A line terminator 83 with a normal external transmission line 115 passing through it
Connected to.
又、第１図の構成の場合には信号切替器２２に集中する
ケーブルの本数は、現用信号入力端子１〜９に９本、現
用信号出力端子１０〜１８に９本、切替信号出力端子１
９〜２１に３本の合計２１本となる。In addition, in the case of the configuration shown in FIG. 1, the number of cables concentrated in the signal switch 22 is 9 cables for the current signal input terminals 1 to 9, 9 cables to the current signal output terminals 10 to 18, and 9 cables for the current signal output terminals 1 to 18.
There will be three videos from September 9th to 21st, making a total of 21 videos.
発明の目的
本発明は従来の上記諸欠点を解決する為になされたもの
であシ、従って本発明の目的は、少なくも２台以上の信
号切替器を用いて、そｎぞれの信号切替器と回線終端器
を一体化することに；）、信号切替器の設置場所を不要
とすると共に、接続ケーブルを伝送路切替器単位に分散
させてケーブルの１箇所集中化を避けることにＪ：υ、
接続工事、伝送路切替器の保守、管理及びケーブル接続
追加等の作業の煩雑さを除去できる新規な伝送路切替装
置を提供することにある。OBJECT OF THE INVENTION The present invention has been made in order to solve the above-mentioned drawbacks of the conventional art. Therefore, an object of the present invention is to switch each signal by using at least two or more signal switchers. By integrating the transmitter and the line terminator;), eliminating the need for a signal switch installation location, and distributing the connection cables for each transmission line switch to avoid centralizing the cables in one location. υ,
It is an object of the present invention to provide a new transmission line switching device that can eliminate the complexity of work such as connection work, maintenance and management of transmission line switching devices, and addition of cable connections.
発明の構成
上記目的を達成する為に、本発明に係る伝送路切替装置
は、現用信号入力端子と、現用信号出力端子と、該現用
信号入力端子とスイッチで接続される切替信号出力端子
と、切替信号入力端子とを持つ信号切替器と、該信号切
替器の前記現用信号出力端子と接続される回線終端器を
同一筐体に収容した伝送路切替器を少なくとも２台以上
使用して、そｎぞれの信号切替器の切替信号出力端子と
他の信号切替器の切替信号入力端子を縦続接続して構成
される。Structure of the Invention In order to achieve the above object, a transmission line switching device according to the present invention includes a current signal input terminal, a current signal output terminal, a switching signal output terminal connected to the current signal input terminal by a switch, Using at least two or more transmission line switching devices each housing a signal switching device having a switching signal input terminal and a line terminator connected to the working signal output terminal of the signal switching device in the same housing, The switching signal output terminal of each of the n signal switching devices and the switching signal input terminal of another signal switching device are connected in cascade.
３、発明の詳細な説明
次に本発明をその好ましい一実施例について図面を参照
しながら具体的に説明する。3. Detailed Description of the Invention Next, a preferred embodiment of the present invention will be specifically described with reference to the drawings.
第２図は本発明による一実施例を示し、伝送路切替方式
における送信側切替回路の構成図である。FIG. 2 shows an embodiment according to the present invention, and is a configuration diagram of a transmission side switching circuit in a transmission line switching system.
伝送さｎる信号は、信号切替器７７〜７９の現用信号入
力端子３２〜４０を通って、回線終端器８４〜８６の局
内側信号入力端子１００〜１０８に接続さｎる０該信号
はこｎらの回線終端器８４〜８６で信号処理された後に
局外伝送路１１６〜１１８へ送出さｎる０本発明におい
ては、図示の如く、現用信号入力端子３２〜４０及び現
用信号出力端子４１〜４９は３個単位でまとめらｎ信号
切替器７７〜７９を構成する。信号切替器７７〜７９は
そｒｔ−’Ｈｒｉ対応する回線終端器８４〜８６と同一
筐体に収容され、一体化される０切替器号入力端子５０
〜５８、切替信号出力端子５９〜６７の内、隣り合う切
替信号出力端子５９〜６１と切替信号入力端子５３〜５
５、又、切替信号出力端子６２〜６４と切替信号入力端
子５６〜５８はそれぞれケーブルで接続さｎている。現
用信号入力端子３２〜４０は、切替信号入力端子５０〜
５２と切替信号出力端子６５〜６７間に出来る切替信号
線路とスイッチ６８〜７６によって接続される。現用信
号出力端子４１〜４９はケーブルを介さずに直接対応す
る回線終端器８４〜８６に接続され、切替信号出力端子
６５〜６７はケーブルにて回線終端器８７に接続されて
いる。The signal to be transmitted passes through the working signal input terminals 32 to 40 of the signal switchers 77 to 79, and is connected to the local signal input terminals 100 to 108 of the line terminators 84 to 86. In the present invention, as shown in the figure, the signals are processed by the line terminators 84 to 86 and then sent to the external transmission lines 116 to 118. .about.49 are grouped in groups of three to constitute n signal switchers 77 to 79. The signal switches 77 to 79 are housed in the same housing as the line terminators 84 to 86 corresponding to rt-'Hri, and the 0 switch number input terminal 50 is integrated.
~58, among the switching signal output terminals 59 to 67, adjacent switching signal output terminals 59 to 61 and switching signal input terminals 53 to 5
5. Also, the switching signal output terminals 62 to 64 and the switching signal input terminals 56 to 58 are connected by cables, respectively. The current signal input terminals 32 to 40 are the switching signal input terminals 50 to 40.
52 and switching signal output terminals 65 to 67 are connected to switching signal lines and switches 68 to 76. The current signal output terminals 41 to 49 are directly connected to the corresponding line terminators 84 to 86 without using a cable, and the switching signal output terminals 65 to 67 are connected to a line terminator 87 via a cable.
従って１通常、現用信号入力端子３２〜３４に入力され
た信号は、現用信号出力端子４１〜４３ヲ通って直接回
線終端器８４に接続される。現用信号入力端子３５〜３
７又は３８〜４０に入力される信号も、同様に。Therefore, normally, the signals input to the working signal input terminals 32 to 34 are directly connected to the line terminator 84 through the working signal output terminals 41 to 43. Current signal input terminal 35-3
Similarly, the signals input to 7 or 38 to 40.
現用信号出力端子４４〜４６又は４７〜４９を通して直
接それぞれ回線終端器８５又は８６に接続される。The current signal output terminals 44 to 46 or 47 to 49 are directly connected to a line terminator 85 or 86, respectively.
局外伝送路１１６が障害のときには、スイッチ田〜７０
が作動して端子３２〜３４に入力された信号は。When the external transmission line 116 is in trouble, the switch field ~70
The signals input to terminals 32 to 34 when activated are as follows.
切替信号出力端子６５〜６７を通シ、正常な局外伝送路
１１９を持つ回線終端器８７に接続される。局外伝送路
１１７又は１１８に障害が発生した場合にも、同様に、
信号は回線終端器８７に接続される。The switching signal output terminals 65 to 67 are connected to a line terminator 87 having a normal external transmission line 119. Similarly, when a failure occurs in the external transmission line 117 or 118,
The signal is connected to line terminator 87.
第２図に示された本発明の場合には、信号切替器７７〜
７９のそれぞれに接続されるケーブル本数は、最大で信
号切替器７８を例にとれば、現用信号入力端子３５〜３
７に３本、切替信号入力端子５３〜５５に３本、切替信
号出力端子６２〜６４に３本の合計９本となる。In the case of the present invention shown in FIG.
Taking the signal switch 78 as an example, the maximum number of cables connected to each of the terminals 79 is the current signal input terminals 35 to 3.
7, three for switching signal input terminals 53-55, and three for switching signal output terminals 62-64, making a total of nine.
以上本発明を一実施例として伝送路切替器を３個用いた
場合について説明したが、２個又は４個以上使用した場
合にも同様に本発明を適用し得ることは勿論である。The present invention has been described above as an example in which three transmission line switchers are used, but it goes without saying that the present invention can be similarly applied to cases where two or four or more transmission line switches are used.
以上説明したように、本発明によれば、先づ第一に、信
号切替器設置場所が不要となる。第二として、ケーブル
の一ケ所集中が無いので、ケーブルの接続工事、伝送路
切替器の保守、管理及びケーブル接続追加等の作業性が
向上するという効果がある。As explained above, according to the present invention, first of all, there is no need for a location for installing a signal switch. Second, since the cables are not concentrated in one place, the workability of cable connection work, maintenance and management of transmission line switching devices, addition of cable connections, etc. is improved.
第１図は従来技術による伝送路切替回路の構成図、第２
図は本発明に係る伝送路切替装置の一実施例を示す回路
構成図である。
１〜９．３２〜４０・・・現用信号入力端子、１０〜１
８．４１〜４９・・・現用信号出力端子、１９〜２１，
５９〜６７・・・切替信号出力端子、５０〜５８・・・
切替信号入力端子、２２．７７〜７９・・・信号切替器
、８０〜８７・・・回線終端器、８８〜１１１・・・局
内側信号入力端子、１１２〜１１９・・・局外伝送路
特許出願人 日本電気株式会社
代 理 人 弁理士熊谷雄太部
第１図
第２図Figure 1 is a configuration diagram of a transmission line switching circuit according to the prior art, Figure 2
The figure is a circuit configuration diagram showing an embodiment of a transmission line switching device according to the present invention. 1~9.32~40... Current signal input terminal, 10~1
8.41-49... Current signal output terminal, 19-21,
59-67...Switching signal output terminal, 50-58...
Switching signal input terminal, 22.77-79...Signal switcher, 80-87...Line terminator, 88-111...Internal signal input terminal, 112-119...Outside transmission line patent Applicant NEC Co., Ltd. Attorney Yutabe Kumagai Figure 1 Figure 2
Claims (1)
力端子と、前記現用信号入力端子とスイッチで接続され
る切替信号出力端子とを有する信号切替器と、該信号切
替器の前記現用信号出力端子と接続される回線終端器と
を同一筐体に収容した伝送路切替器を少なくとも２台以
上使用し、それぞれの信号切替器の切替信号出力端子と
他の信号切替の切替信号入力端子を縦続接続したことを
特徴とする伝送路切替装置。A signal switch having a current signal input terminal, a current signal output terminal, a switching signal input terminal, and a switching signal output terminal connected to the current signal input terminal by a switch, and the current signal output of the signal switch. Use at least two transmission line switchers that house terminals and connected line terminators in the same housing, and connect the switching signal output terminal of each signal switcher and the switching signal input terminal of the other signal switching in cascade. A transmission line switching device characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3473884A JPS60178722A (en) | 1984-02-24 | 1984-02-24 | Switching device of transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3473884A JPS60178722A (en) | 1984-02-24 | 1984-02-24 | Switching device of transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60178722A true JPS60178722A (en) | 1985-09-12 |
| JPH0351338B2 JPH0351338B2 (en) | 1991-08-06 |
Family
ID=12422655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3473884A Granted JPS60178722A (en) | 1984-02-24 | 1984-02-24 | Switching device of transmission line |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60178722A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6367946A (en) * | 1986-09-10 | 1988-03-26 | Hitachi Ltd | Line switching device |
-
1984
- 1984-02-24 JP JP3473884A patent/JPS60178722A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6367946A (en) * | 1986-09-10 | 1988-03-26 | Hitachi Ltd | Line switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351338B2 (en) | 1991-08-06 |
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