JPH0443464B2 - - Google Patents
Info
- Publication number
- JPH0443464B2 JPH0443464B2 JP61219127A JP21912786A JPH0443464B2 JP H0443464 B2 JPH0443464 B2 JP H0443464B2 JP 61219127 A JP61219127 A JP 61219127A JP 21912786 A JP21912786 A JP 21912786A JP H0443464 B2 JPH0443464 B2 JP H0443464B2
- Authority
- JP
- Japan
- Prior art keywords
- emergency
- emergency switching
- switch
- switching
- prohibition
- 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 - Lifetime
Links
Landscapes
- Monitoring And Testing Of Exchanges (AREA)
Description
【発明の詳細な説明】
〔概要〕
非常切替禁止スイツチと非常切替禁止回路とを
主配線盤を介して接続し、増設時や保守時のユニ
ツト挿脱による非常切替が生じることを防止した
ものである。[Detailed Description of the Invention] [Summary] An emergency switch and an emergency switch inhibit circuit are connected through a main distribution board to prevent emergency switches from occurring due to insertion and removal of units during expansion or maintenance. be.
本発明は、交換機の障害時や停電時等の交換処
理の異常時に、局線と特定内線とを接続する非常
切替装置に関するものである。
The present invention relates to an emergency switching device that connects a central office line and a specific extension line in the event of an abnormality in exchange processing such as a failure of an exchange or a power outage.
構内交換機に於いて、障害発生や停電等により
局線と総ての内線との交換接続ができない状態と
なる。そこで、非常切替装置を設けて、障害発生
や停電時に、局線と特定内線とを接続し、少なく
とも特定の内線を用いて局線発信或いは着信を可
能とするものである。 In a private branch exchange, exchange connections between the central office line and all extension lines become impossible due to a failure or a power outage. Therefore, an emergency switching device is provided to connect the central office line and a specific extension line in the event of a failure or power outage, thereby making it possible to make or receive calls using at least the specific extension line.
交換機は、各部が複数個のパツケージによるユ
ニツト化されており、増設時は、ユニツト単位或
いはパツケージ単位で増設され、又保守時は、ユ
ニツト単位或いはパツケージ単位で交換される構
成が一般的である。又交換機の障害発生時に、局
線と特定内線とを切替接続する非常切替装置が設
けられており、障害情報によつて動作するもので
ある。
Each part of a switching system is made into a unit made up of a plurality of packages, and when expanding, it is generally added in units or packages, and during maintenance, it is replaced in units or packages. In addition, an emergency switching device is provided which switches and connects the central office line and a specific extension line when a fault occurs in the exchange, and operates based on fault information.
上記非常切替装置がユニツト増設等の場合に障
害発生時と同様に動作しないように、強制的に非
常切替えを禁止する非常切替禁止スイツチが設け
られている。
In order to prevent the emergency switching device from operating in the same manner as when a failure occurs when a unit is added, an emergency switching prohibition switch is provided that forcibly prohibits emergency switching.
しかし、ユニツト間を接続するケーブル内に、
非常切替禁止スイツチと接続された信号線も含ま
れているので、そのケーブルの接続コネクタを抜
き取ると、非常切替禁止スイツチによる非常切替
禁止信号は遮断されるので、障害発生と同様にな
つて、非常切替装置では、局線と特定内線とを切
替接続することになる。 However, in the cable that connects the units,
It also includes a signal line connected to the emergency override switch, so if you remove the connector of that cable, the emergency override signal from the emergency override switch will be cut off, so it will be the same as if a fault had occurred, and the emergency The switching device switches and connects the central office line and the specific extension line.
本発明は、非常切替禁止スイツチを操作した場
合には、ケーブルの接続コネクタを抜き取つても
非常切替えが生じないようにすることを目的とす
るものである。 An object of the present invention is to prevent emergency switching from occurring even if the cable connector is removed when the emergency switching prohibition switch is operated.
本発明の非常切替装置は、第１図を参照して説
明すると、ユニツト単位或いはパツケージ単位で
挿抜できる構内交換機の変換処理動作異常時に、
局線と特定の内線とを接続する機能を有する非常
切替装置に於いて、ユニツト或いはパツケージの
挿抜による擬似的な障害発生による非常切替えを
禁止する非常切替禁止回路１と、システム状態表
示装置２に前記非常切替禁止回路１を動作させる
為に設けた非常切替禁止スイツチ３とを、主配線
盤４を介して接続したもので、非常切替禁止スイ
ツチ３をオンとすると、電源電圧Ｖによつて非常
切替禁止回路１が非常切替えを禁止するように動
作する。
The emergency switching device of the present invention will be explained with reference to FIG. 1. When a conversion processing operation abnormality occurs in a private branch exchange that can be inserted and removed in unit units or package units,
In an emergency switching device that has the function of connecting a central office line and a specific extension line, an emergency switching prohibition circuit 1 that prohibits emergency switching due to the occurrence of a pseudo failure due to the insertion and removal of a unit or package, and a system status display device 2 are provided. An emergency switch 3 provided to operate the emergency switch inhibit circuit 1 is connected via a main wiring board 4, and when the emergency switch 3 is turned on, an emergency switch is activated by the power supply voltage V. The switching inhibition circuit 1 operates to inhibit emergency switching.
システム状態表示装置２は、前面扉等に設けら
れているものであり、非常切替禁止スイツチ３を
操作してオンとすると、非常切替禁止回路１が動
作して、ユニツトの挿脱等による擬似的な障害発
生によつても、非常切替えが生じないものとな
る。又ユニツト間のケーブルの接続コネクタを抜
き取つても、主配線盤４を介して非常切替禁止回
路１と非常切替禁止スイツチ３とが接続されてい
るので、非常切替禁止には影響しないものとな
る。
The system status display device 2 is provided on the front door, etc., and when the emergency changeover prohibition switch 3 is operated and turned on, the emergency changeover prohibition circuit 1 is activated, and a pseudo error caused by insertion or removal of a unit is activated. Even if a major failure occurs, emergency switching will not occur. Furthermore, even if the cable connector between the units is removed, the emergency switching inhibition circuit 1 and the emergency switching inhibition switch 3 are connected via the main distribution board 4, so the emergency switching inhibition will not be affected. .
以下図面を参照して本発明の実施例について詳
細に説明する。
Embodiments of the present invention will be described in detail below with reference to the drawings.
第２図は本発明の実施例の要部ブロツク図であ
り、１１，１２は非常切替装置、１３は主配線
盤、１４，１５はシステム状態制御装置、１６は
システム状態表示装置、１７は内線電話機、１８
は局線、１９はフアンクシヨンキー、２０は非常
切替禁止スイツチ、２１，２２は非常切替禁止リ
レー、２３，２４はその接点、２５，２６は非常
切替リレー、Ｖは電源電圧、Ａは常時“０”（ロ
ーレべル）、障害発生により“１”（ハイレべル）
となる障害情報である。 FIG. 2 is a block diagram of main parts of an embodiment of the present invention, in which 11 and 12 are emergency switching devices, 13 is a main distribution board, 14 and 15 are system status control devices, 16 is a system status display device, and 17 is an extension line. telephone, 18
is the office line, 19 is the function key, 20 is the emergency changeover prohibition switch, 21 and 22 are the emergency changeover prohibition relays, 23 and 24 are their contacts, 25 and 26 are the emergency changeover relays, V is the power supply voltage, and A is the constant " 0” (low level), “1” (high level) due to failure occurrence
This is the fault information.
非常切替装置１１，１２の非常切替禁止リレー
２１，２２は、主配線盤１３、システム状態制御
装置１４，１５を介して、システム状態表示装置
１６の非常切替禁止スイツチ２０と接続されてい
る。なお、フアンクシヨンキー１９をオンとする
ことにより、非常切替禁止スイツチ２０及び図示
を省略した他のスイツチの操作が有効となるもの
である。 The emergency switching prohibition relays 21 and 22 of the emergency switching devices 11 and 12 are connected to the emergency switching prohibition switch 20 of the system status display device 16 via the main distribution board 13 and the system status control devices 14 and 15. Note that by turning on the function key 19, the operation of the emergency changeover prohibition switch 20 and other switches (not shown) become effective.
非常切替装置１１，１２は、停電或いは障害情
報Ａが“１”の時に、非常切替リレー２５，２６
が非動作状態となつて、図示を省略した切替接続
接点により、特定の内線電話機と局線１８とが接
続される。又正常時は障害情報Ａが“０”となる
ので、非常切替リレー２５，２６は動作状態とな
り、特定の内線電話機と局線１８とは切り離さ
れ、交換処理によつてのみ接続される。 Emergency switching devices 11 and 12 switch emergency switching relays 25 and 26 when power outage or failure information A is "1".
becomes inoperative, and a specific extension telephone is connected to the central office line 18 by a switching connection contact (not shown). Also, during normal operation, the fault information A is "0", so the emergency switching relays 25 and 26 are activated, and the specific extension telephone and the central office line 18 are disconnected and connected only through exchange processing.
フアクシヨンキー１９をオンとし、非常切替禁
止スイツチ２０をオンとすると、非常切替禁止リ
レー２１，２２を電源電圧Ｖにより電流が流れて
動作する。この非常切替禁止リレー２１，２２の
接点２３，２４がメークとなるから、非常切替リ
レー２５，２６は、障害情報Ａが“１”であつて
も動作状態を継続することになる。 When the function key 19 is turned on and the emergency changeover prohibition switch 20 is turned on, current flows through the emergency changeover prohibition relays 21 and 22 by the power supply voltage V, and the emergency changeover prohibition relays 21 and 22 are activated. Since the contacts 23 and 24 of the emergency switching inhibition relays 21 and 22 are made, the emergency switching relays 25 and 26 continue to operate even if the fault information A is "1".
即ち、ユニツト間を接続するケーブルの接続コ
ネクタを抜き取つたことにより、信号線がオープ
ン状態となり、障害情報Ａが“１”となつたとし
ても、非常切替禁止リレー２１，２２が動作中
は、接点２３，２４によつて非常切替リレー２
５，２６の動作を継続させることができるから、
ユニツト交換等の場合にも、非常切替えを禁止す
ることができる。 In other words, even if the signal line becomes open by disconnecting the connector of the cable connecting the units and the fault information A becomes "1", while the emergency switching inhibition relays 21 and 22 are operating, Emergency switching relay 2 by contacts 23 and 24
Because the operations of 5 and 26 can be continued,
Emergency switching can also be prohibited in the case of unit replacement.
第３図は本発明の実施例の説明図であり、第２
図と同一符号は同一部分を示し、３１は制御ユニ
ツト、３２，３３，３４はライントランクユニツ
ト、３５，３６，３７はケーブル、３８は前面
扉、３９は表示ランプである。制御ユニツト３１
にシステム状態制御装置１４，１５のパツケージ
が実装され、ライントランクユニツト３２，３３
に非常切替装置１１，１２のパツケージが実装さ
れた場合を示し、ユニツト３１〜３４間はケーブ
ル３５〜３７により接続されている。又非常切替
装置１１，１２の非常切替禁止リレー２１，２２
（第２図参照）とシステム状態表示装置１６の非
常切替禁止スイツチ２０とを、主配線盤１３を介
して接続するものである。 FIG. 3 is an explanatory diagram of an embodiment of the present invention, and the second
The same reference numerals as in the figure indicate the same parts, 31 is a control unit, 32, 33, 34 are line trunk units, 35, 36, 37 are cables, 38 is a front door, and 39 is an indicator lamp. Control unit 31
A package of system state controllers 14 and 15 is mounted on the line trunk units 32 and 33.
A case is shown in which a package of emergency switching devices 11 and 12 is mounted, and units 31 to 34 are connected by cables 35 to 37. Also, the emergency switching prohibition relays 21 and 22 of the emergency switching devices 11 and 12
(See FIG. 2) and the emergency switch inhibit switch 20 of the system status display device 16 are connected via the main distribution board 13.
従つて、フアンクシヨンキー１９をオンとし、
且つ非常切替禁止スイツチ２０をオンとすると、
非常切替装置１１，１２に設けた非常切替禁止リ
レー２１，２２が動作し、ライントランクユニツ
ト３２〜３４内のパツケージを抜き取つた場合は
勿論、ケーブル３５〜３７の接続コネクタを抜き
取つた場合も、非常切替装置１１，１２に於ける
非常切替リレーが動作状態を継続し、非常切替え
が行われないので、局線と内線との間の通話を切
断することがなくなり、増設や保守が容易となる
ものである。 Therefore, turn on the function key 19,
And when the emergency changeover prohibition switch 20 is turned on,
Not only when the emergency switching prohibition relays 21 and 22 provided in the emergency switching devices 11 and 12 are activated and the packages inside the line trunk units 32 to 34 are removed, but also when the connectors of the cables 35 to 37 are removed. Since the emergency switching relays in the emergency switching devices 11 and 12 continue to operate and no emergency switching is performed, there is no need to disconnect calls between the office line and the extension line, making expansion and maintenance easier. It is what it is.
以上説明したように、本発明は、非常切替装置
の非常切替禁止回路１と、システム状態表示装置
２に設けた非常切替禁止スイツチ３とを、主配線
盤４を介して接続したものであるから、非常切替
禁止スイツチ３を操作することにより、増設時や
保守時に、ケーブルの接続コネクタを抜き取つて
も、非常切替えを行うことがなくなり、増設や保
守が容易となる利点がある。
As explained above, in the present invention, the emergency switching inhibition circuit 1 of the emergency switching device and the emergency switching inhibition switch 3 provided in the system status display device 2 are connected via the main distribution board 4. By operating the emergency switching prohibition switch 3, there is no need to perform emergency switching even if the cable connector is removed during expansion or maintenance, which has the advantage of facilitating expansion and maintenance.
第１図は本発明の原理ブロツク図、第２図は本
発明の実施例の要部ブロツク図、第３図は本発明
の説明図である。
１は非常切替禁止回路、２はシステム状態表示
装置、３は非常切替禁止スイツチ、４は主配線
盤、１１，１２は非常切替装置、１３は主配線
盤、１４，１５はシステム状態制御装置、１６は
システム状態表示装置、１７は内線電話機、１８
は局線、１９はフアンクシヨンキー、２０は非常
切替禁止スイツチ、２１，２２は非常切替禁止リ
レー、２３，２４はその接点、２５，２６は非常
切替リレーである。
FIG. 1 is a block diagram of the principle of the present invention, FIG. 2 is a block diagram of essential parts of an embodiment of the present invention, and FIG. 3 is an explanatory diagram of the present invention. 1 is an emergency switching prohibition circuit, 2 is a system status display device, 3 is an emergency switching prohibition switch, 4 is a main distribution board, 11 and 12 are emergency switching devices, 13 is a main distribution panel, 14 and 15 are system status control devices, 16 is a system status display device, 17 is an extension telephone, 18
19 is a function key, 20 is an emergency changeover prohibition switch, 21 and 22 are emergency changeover prohibition relays, 23 and 24 are their contacts, and 25 and 26 are emergency changeover relays.
Claims (1)
きる構内交換機の変換処理動作異常時に、局線と
特定の内線とを接続する機能を有する非常切替装
置に於いて、 ユニツト或いはパツケージの挿抜による擬似的
な障害発生による非常切替えを禁止する非常切替
禁止回路１と、システム状態表示装置２に前記非
常切替禁止回路１を動作させる為に設けた非常切
替禁止スイツチ３とを、主配線盤４を介して接続
した ことを特徴とする非常切替装置。[Scope of Claims] 1. In an emergency switching device that has the function of connecting a central office line and a specific extension line in the event of an abnormal conversion processing operation of a private branch exchange that can be inserted or removed in units or packages, The main distribution board 4 is equipped with an emergency switching prohibition circuit 1 that prohibits emergency switching due to the occurrence of a pseudo failure, and an emergency switching prohibition switch 3 provided in the system status display device 2 to operate the emergency switching prohibition circuit 1. An emergency switching device characterized in that it is connected via a
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21912786A JPS6376554A (en) | 1986-09-19 | 1986-09-19 | Emergency switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21912786A JPS6376554A (en) | 1986-09-19 | 1986-09-19 | Emergency switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6376554A JPS6376554A (en) | 1988-04-06 |
| JPH0443464B2 true JPH0443464B2 (en) | 1992-07-16 |
Family
ID=16730661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21912786A Granted JPS6376554A (en) | 1986-09-19 | 1986-09-19 | Emergency switching device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6376554A (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58111553A (en) * | 1981-12-25 | 1983-07-02 | Hitachi Ltd | External monitoring and controlling system for exchange system |
-
1986
- 1986-09-19 JP JP21912786A patent/JPS6376554A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6376554A (en) | 1988-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |