JPH0351338B2 - - Google Patents
Info
- Publication number
- JPH0351338B2 JPH0351338B2 JP3473884A JP3473884A JPH0351338B2 JP H0351338 B2 JPH0351338 B2 JP H0351338B2 JP 3473884 A JP3473884 A JP 3473884A JP 3473884 A JP3473884 A JP 3473884A JP H0351338 B2 JPH0351338 B2 JP H0351338B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- switching
- signal output
- transmission line
- signal input
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 29
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
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)
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
なつているので、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つ
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 the signal switching device and the line terminator are independently separated, and therefore, a dedicated installation location for the signal switching device is required. In addition, 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.
従つて、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つた。 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, it is necessary to perform cable connection work, maintenance and management of the transmission line switch, and maintenance of the current signal. The disadvantage is that the work of adding cable connections due to expansion becomes extremely complicated.
第１図は従来技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
通つて回線終端器８０〜８２の局内側信号入力端
子８８〜９６に接続される。該信号は、これらの
回線終端器８０〜８２で信号処理された後に、局
外伝送路１１２〜１１４へ送出される。 FIG. 1 shows the configuration of a transmission side switching circuit in a transmission line switching system according to the prior art. The signals to be transmitted are connected to local signal input terminals 88-96 of line terminators 80-82 through current signal input terminals 1-9 of signal switch 22. After the signals are processed by these line terminators 80-82, they are sent to external transmission lines 112-114.
従来の装置は、図示の如く、現用信号入力端子
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、スイツチ２
３〜３１により接続される。現用信号出力端子１
０〜１８と切替信号出力端子１９〜２１はケーブ
ルでそれぞれ回線終端器８０〜８３に接続されて
いる。従つて、通常、現用信号入力端子１〜３に
入力された信号は、現用信号出力端子１０〜１２
を通つて回線終端器８０に接続される。ここで、
局外伝送路１１２が障害の時にはスイツチ２３〜
２５が動作して信号は、切替信号出力端子１９〜
２１を通つて正常な局外伝送路１１５を持つ回線
終端器８３に接続される。 In the conventional device, as shown in the figure, current signal input terminals 1 to 9, current signal output terminals 10 to 18, and switching signal output terminals 19 to 21 are provided together in one signal switch 22. Current signal input terminal 1~
9 and switching signal output terminals 19 to 21 are switch 2
3 to 31 are connected. Current signal output terminal 1
0 to 18 and switching signal output terminals 19 to 21 are connected to line terminators 80 to 83, respectively, by cables. Therefore, normally, signals input to the current signal input terminals 1 to 3 are transmitted to the current signal output terminals 10 to 12.
It is connected to the line terminator 80 through. here,
When the external transmission line 112 is in trouble, the switches 23 to
25 operates and the signal is sent to the switching signal output terminals 19~
21 and is connected to a line terminator 83 having a normal external transmission line 115.
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１９〜２１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 to 9, 9 to current signal output terminals 10 to 18
Total of 21, 3 for switching signal output terminals 19 to 21
It becomes a book.
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
れたものであり、従つて本発明の目的は、少なく
も２台以上の信号切替器を用いて、それぞれの信
号切替器と回線終端器を一体化することにより、
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より、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 to solve the above-mentioned drawbacks of the conventional art, and therefore, an object of the present invention is to use at least two or more signal switchers to connect each signal switcher to a line. By integrating the terminator,
By eliminating the need for installation locations for signal switchers and by distributing connection cables to each transmission line switcher to avoid centralization of cables in one location, connection work, transmission line switcher maintenance and management, and additional cable connections are possible. An object of the present invention is to provide a new transmission line switching device that can eliminate the complexity of such operations.
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ツチで接続さ
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
他の信号切替器の切替信号入力端子を縦続接続
し、且つ切替信号出力端子に他の信号切替器の切
替信号入力端子が接続されていない終端の信号切
替器の切替信号出力端子に予備の回線終端器を接
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 containing 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 the signal switcher and the switching signal input terminal of another signal switcher are connected in cascade, and the switching signal output terminal of the other signal switcher is not connected to the switching signal input terminal of the other signal switcher. It is constructed by connecting a spare line terminator to the switching signal output terminal of the device.
発明の実施例の説明
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。DESCRIPTION OF EMBODIMENTS 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。伝送される信号は、信号切替器７７〜７９の
現用信号入力端子３２〜４０を通つて、回線終端
器８４〜８６の局内側信号入力端子１００〜１０
８に接続される。該信号はこれらの回線終端器８
４〜８６で信号処理された後に局外伝送路１１６
〜１１８へ送出される。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個単位でまとめられ信
号切替器７７〜７９を構成する。信号切替器７７
〜７９はそれぞれ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。切替信号
入力端子５０〜５８、切替信号出力端子５９〜６
７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５３〜５５、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れている。現用信号入
力端子３２〜４０は、切替信号入力端子５０〜５
２と切替信号出力端子６５〜６７間に出来る切替
信号線路とスイツチ６８〜７６によつて接続され
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。 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. The signals to be transmitted pass through the working signal input terminals 32 to 40 of the signal switchers 77 to 79, and then to the local signal input terminals 100 to 10 of the line terminators 84 to 86.
Connected to 8. The signal is transmitted to these line terminators 8
After signal processing in steps 4 to 86, the external transmission line 116
~118. In the present invention, as shown in the figure, the current signal input terminals 32 to 40 and the current signal output terminals 41 to 49 are grouped together in groups of three to constitute signal switching devices 77 to 79. Signal switch 77
~79 are corresponding line terminators 84~86, respectively.
It is housed in the same housing and integrated. Switching signal input terminals 50 to 58, switching signal output terminals 59 to 6
7, adjacent switching signal output terminals 59 to 61 and switching signal input terminals 53 to 55, and switching signal output terminals 62 to 64 and 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 5.
2 and a switching signal line formed between switching signal output terminals 65 to 67 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.
従つて、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
を通つて直接回線終端器８４に接続される。現用
信号入力端子３５〜３７又は３８〜４０に入力さ
れる信号も、同様に、現用信号出力端子４４〜４
６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。 Therefore, normally, signals input to the current signal input terminals 32 to 34 are transmitted to the current signal output terminals 41 to 43.
It is directly connected to line terminator 84 through. Similarly, signals input to the current signal input terminals 35 to 37 or 38 to 40 are also input to the current signal output terminals 44 to 4.
6 or 47-49 directly to a line terminator 85 or 86, respectively.
局外伝送路１１６が障害のときには、スイツチ
６８〜７０が作動して端子３２〜３４に入力され
た信号は、切替信号出力端子６５〜６７を通り、
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。 When there is a failure in the external transmission line 116, the switches 68 to 70 are activated and the signals input to the terminals 32 to 34 pass through the switching signal output terminals 65 to 67.
It is connected to a line terminator 87 having a normal external transmission line 119. Even if a failure occurs in the outside transmission line 117 or 118, the signal is similarly connected to the 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３５〜３７に３本、切替信号入力端
子５３〜５５に３本、切替信号出力端子６２〜６
４に３本の合計９本となる。 In the case of the present invention shown in FIG. 2, the maximum number of cables connected to each of the signal switchers 77 to 79 is, for example, the signal switch 78, to the current signal input terminals 35 to 37. 3 wires, 3 wires for switching signal input terminals 53-55, and 3 wires for switching signal output terminals 62-6
4 and 3 for a total of 9.
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。 As described above, the present invention is described as an embodiment of the transmission line switching device.
Although the case where only one is used has been described, it goes without saying that the present invention can be similarly applied to cases where two or four or more are used.
発明の効果
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。Effects of the Invention 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、１
０〜１８，４１〜４９……現用信号出力端子、１
９〜２１，５９〜６７……切替信号出力端子、５
０〜５８……切替信号入力端子、２２，７７〜７
９……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。
FIG. 1 is a block diagram of a transmission line switching circuit according to the prior art, and FIG. 2 is a circuit block diagram showing an embodiment of a transmission line switching device according to the present invention. 1-9, 32-40... Current signal input terminal, 1
0-18, 41-49... Current signal output terminal, 1
9-21, 59-67...Switching signal output terminal, 5
0~58...Switching signal input terminal, 22, 77~7
9...Signal switch, 80-87...Line terminator,
88~111...Inside station signal input terminal, 112~
119...External transmission line.
Claims (1)
切替信号入力端子と、前記現用信号入力端子とス
イツ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
信号切替器の切替信号入力端子を縦続接続すると
共に、切替信号出力端子に他の信号切替器の切替
信号入力端子が接続されていない信号切替器の切
替信号出力端子に予備の回線終端器を接続したこ
とを特徴とする伝送路切替装置。1 A current signal input terminal, a current signal output terminal,
A signal switching device having a switching signal input terminal, a switching signal output terminal connected to the working signal input terminal by a switch, and a line terminator connected to the working signal output terminal of the signal switching device are housed in the same housing. Use at least two transmission line switching devices housed in the body,
A signal switcher in which the switching signal output terminal of each signal switcher and the switching signal input terminal of another signal switcher are connected in cascade, and the switching signal output terminal of the other signal switcher is not connected to the switching signal input terminal of the other signal switcher. A transmission line switching device characterized in that a spare line terminator is connected to the switching signal output terminal of the transmission line switching device.
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 JPS60178722A (en) | 1985-09-12 |
| JPH0351338B2 true 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) |
Families Citing this family (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
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60178722A (en) | 1985-09-12 |
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