JPH0530547A - Automatic switching system for defective subscriber's card - Google Patents

Automatic switching system for defective subscriber's card

Info

Publication number
JPH0530547A
JPH0530547A JP18496791A JP18496791A JPH0530547A JP H0530547 A JPH0530547 A JP H0530547A JP 18496791 A JP18496791 A JP 18496791A JP 18496791 A JP18496791 A JP 18496791A JP H0530547 A JPH0530547 A JP H0530547A
Authority
JP
Japan
Prior art keywords
subscriber
card
terminal
line
subscriber card
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.)
Withdrawn
Application number
JP18496791A
Other languages
Japanese (ja)
Inventor
Nobuo Takahashi
信雄 高橋
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.)
Fujitsu Ltd
Fujitsu Integrated Microtechnology Ltd
Original Assignee
Fujitsu Ltd
Fujitsu Integrated Microtechnology Ltd
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 Fujitsu Ltd, Fujitsu Integrated Microtechnology Ltd filed Critical Fujitsu Ltd
Priority to JP18496791A priority Critical patent/JPH0530547A/en
Publication of JPH0530547A publication Critical patent/JPH0530547A/en
Withdrawn legal-status Critical Current

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  • Interface Circuits In Exchanges (AREA)

Abstract

PURPOSE:To automatically switch a defective card to a stand-by card when a defect is generated in a subscriber's card in respect to an automatic defective subscriber's card switching system in a subscriber's circuit of an exchange. CONSTITUTION:In the exchange, a subscriber's line interface 2 is connected to a subscriber's card 1 to be connected to a subscriber's terminal correspondingly to its subscriber's line and the terminal side and subscriber's card side of the subscriber's line selected by a testing switching selector 3 are connected to a jumper switching frame 4 and a line side testing device and a subscriber's card side testing device are connected to the frame 4 to test the subscriber's line. The frame 4 is provided with a substitutive circuit terminal, a substitutive subscriber's card 5 is connected to the substitutive circuit terminate and the subscriber's terminal side of the interface 2 selected by the selector 3 correspondingly to the defective subscriber's card 1 is switched to the frame 4 so as to be connected to the substitutive subscriber's card connected to the substitutive circuit terminal.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は交換機の加入者回路にお
ける障害加入者カードの自動切替方式に関する。最近の
半導体の進歩により交換機の通話回線を接続する機能は
大幅に小形化しており、電話機に電話回線を介して直接
接続される加入者回路も電子化され、加入者カードに収
容されて共通線信号回路により交換機の本体に接続され
て共通制御されている。加入者カードには個々の加入者
回線に対する給電、過電圧保護、呼出信号送出、監視、
コーデック、2線/4線変換等の加入者回路が実装さ
れ、これらの回路動作を制御する信号はスキャン信号と
SD制御信号とのやりとりにより共通線信号路を経由し
て交換機本体の主制御部により制御されている。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic switching system for a defective subscriber card in a subscriber circuit of an exchange. Due to recent advances in semiconductors, the function of connecting the telephone line of exchanges has been greatly miniaturized, and the subscriber circuit that is directly connected to the telephone via the telephone line has also been digitized and accommodated in the subscriber card to accommodate the common line. It is connected to the main body of the exchange by a signal circuit and is commonly controlled. The subscriber card has power for individual subscriber lines, overvoltage protection, ringing, monitoring,
A subscriber circuit such as a codec, 2-wire / 4-wire conversion, etc. is mounted, and signals for controlling the operation of these circuits pass through the common line signal path by the exchange of the scan signal and the SD control signal, and the main control unit of the exchange main body. Is controlled by.

【0002】共通線信号路は出入回線による8MHz のデ
ィジタル伝送路で加入者カード毎にタイムスロットが割
当てられ、フレーム内の別の制御用タイムスロットによ
り発呼検出や障害検出の信号を送っている。従って加入
者カードに障害が発生すれば割当てられたタイムスロッ
トで障害が検出され、該当する加入者カードを保守者が
正常な加入者カードと取替えることにより障害の回復を
行っている。
The common line signal line is an 8 MHz digital transmission line for incoming and outgoing lines, time slots are assigned to each subscriber card, and signals for call detection and fault detection are sent by another control time slot in the frame. .. Therefore, if a failure occurs in the subscriber card, the failure is detected in the assigned time slot, and the maintenance person replaces the failure subscriber card with a normal subscriber card to recover the failure.

【0003】[0003]

【従来の技術】無人局における交換機の加入者カードの
接続構成例を図4に示す。図において、21は有人局交換
機、22は無人局交換機、23は無人局端末、24は加入者カ
ード収容架、25は加入者回路制御部、26はラインスイッ
チ、27はチャネル装置、28は主制御装置、29は主記憶装
置、30, 31はワークステーションを示す。
2. Description of the Related Art FIG. 4 shows an example of the connection structure of a subscriber card of an exchange in an unmanned station. In the figure, 21 is a manned exchange, 22 is an unmanned exchange, 23 is an unmanned station terminal, 24 is a subscriber card storage rack, 25 is a subscriber circuit control unit, 26 is a line switch, 27 is a channel device, and 28 is a main unit. A controller, 29 is a main memory, and 30 and 31 are workstations.

【0004】無人局交換機22の加入者カード収容架24に
は端末毎に加入者カードA,B,C,D,E,F,G,
H,Iが収容されているとし、加入者カードCには端末
J23が収容されているとする。端末J23がオフフックす
れば加入者カードCが起動し、加入者回路制御部25によ
り主制御装置28に接続され、主制御装置28の制御により
接続トーンが端末に送られ、加入者のダイヤルによりラ
インスイッチ26を経由して相手側に接続され、加入者回
路の制御により応答通話終了が行われる。この時、加入
者カードCに障害が発生すれば主制御装置28は有人局交
換機21にその障害情報を通知し、有人局交換機21よりワ
ークステーション31に障害発生の信号が送出される。
Subscriber card A, B, C, D, E, F, G,
It is assumed that H and I are accommodated and that the subscriber card C accommodates the terminal J23. When the terminal J23 goes off-hook, the subscriber card C is activated, the subscriber circuit controller 25 connects to the main controller 28, the connection tone is sent to the terminal under the control of the main controller 28, and the line is dialed by the subscriber. It is connected to the other party via the switch 26, and the answering call is ended by the control of the subscriber circuit. At this time, if a failure occurs in the subscriber card C, the main controller 28 notifies the manned station exchange 21 of the failure information, and the manned station exchange 21 sends a failure occurrence signal to the workstation 31.

【0005】[0005]

【発明が解決しようとする課題】無人局は有人局とは数
十Kmの遠隔地に有り、保守者は常時有人局に駐在し、無
人局に障害が発生した場合は有人局のワークステーショ
ン31により保守者がどの加入者カードに障害が発生した
かを確かめ、加入者カードを正常のものに取替えるため
現地に赴く必要があった。この方法ではその接続端末が
使用可能となるまで時間が掛り、又、保守者が加入者カ
ードの障害に気付くまで対処されない。特に保守者が常
駐しないようなローカル局では対処が非常に遅れること
がある。
The unmanned station is located at a distance of several tens of kilometers from the manned station, the maintenance person is always stationed at the manned station, and when the unmanned station fails, the workstation of the manned station 31 Therefore, it was necessary for the maintenance person to confirm which subscriber card had a failure and to go to the site to replace the subscriber card with a normal one. In this method, it takes a long time until the connection terminal becomes available, and it is not dealt with until the maintenance person notices the failure of the subscriber card. Especially at local stations where maintenance personnel are not resident, the response may be extremely delayed.

【0006】以上の件は加入者カードと端末が固定の場
合の致命的な点であるが、加入者カードと端末間を半固
定 (カードの捕捉形式) で接続する形式にすると、加入
者カードと端末間にタイムスイッチ(TSW)の様な高
価な装置を設置する必要があり、それを制御するソフト
ウェアも複雑になるため経済的でない。
The above matters are fatal points when the subscriber card and the terminal are fixed, but if the subscriber card and the terminal are connected semi-fixed (card capturing format), the subscriber card It is necessary to install an expensive device such as a time switch (TSW) between the terminal and the terminal, and the software for controlling it becomes complicated, which is not economical.

【0007】本発明は従来加入者カード収容架に設置さ
れている試験用のライン切替セレクタを改良し、加入者
カードが障害になった場合でも自動的に正常な加入者カ
ードにラインを切替えることを目的とする。
The present invention improves the test line switching selector which is conventionally installed in the subscriber card storage rack, and automatically switches the line to a normal subscriber card even if the subscriber card becomes a failure. With the goal.

【0008】[0008]

【課題を解決するための手段】本発明の加入者カード切
替方式の原理構成図を図1に示す。図において、1は障
害加入者カード、2は加入者回線インタフェース、3は
試験用切替セレクタ、4はジャンパー切替架、5は代替
用加入者カード、6は加入者端末、7は加入者回路制御
部、8は交換機制御装置を示す。
FIG. 1 shows a principle block diagram of a subscriber card switching system of the present invention. In the figure, 1 is a failed subscriber card, 2 is a subscriber line interface, 3 is a test selector, 4 is a jumper switch rack, 5 is an alternative subscriber card, 6 is a subscriber terminal, and 7 is subscriber circuit control. Reference numeral 8 denotes an exchange control device.

【0009】加入者端末6を接続する加入者カード1に
は加入者回線対応に加入者回線インタフェース2が設け
られ、試験用切替セレクタ3により選択された加入者回
線の端末側及び加入者カード側をジャンパー切替架4に
接続し、ジャンパー切替架4に回線側試験装置及び加入
者カード側試験装置を接続して加入者回線の試験を行っ
ている。
The subscriber card 1 for connecting the subscriber terminal 6 is provided with a subscriber line interface 2 corresponding to the subscriber line, and the terminal side and the subscriber card side of the subscriber line selected by the test switching selector 3 Is connected to the jumper switching rack 4, and the line side test device and the subscriber card side test device are connected to the jumper switching rack 4 to test the subscriber line.

【0010】本発明ではこのジャンパー切替架4に代替
サーキット端子を設け、代替サーキット端子に代替用加
入者カード5を接続しておき、障害加入者カード1に対
応して選択した試験用切替セレクタ3により該当する加
入者回線インタフェース2の加入者端末側をジャンパー
切替架4の代替サーキット端子に切替え、該代替サーキ
ット端子に接続された代替用加入者カード5に接続する
ように構成する。
In the present invention, the jumper switching rack 4 is provided with an alternative circuit terminal, the alternative circuit card 5 is connected to the alternative circuit terminal, and the test selector selector 3 selected corresponding to the faulty subscriber card 1 is selected. Then, the subscriber terminal side of the corresponding subscriber line interface 2 is switched to the alternative circuit terminal of the jumper switching rack 4 and connected to the alternative subscriber card 5 connected to the alternative circuit terminal.

【0011】[0011]

【作用】本発明の加入者回路制御部7と交換機制御装置
8による処理フローチャートを図2に示す。 (1) 加入者カードを制御する加入者回路制御部7より加
入者カード1の障害を交換機制御装置8で受信する。
(この時、交換機制御装置8は加入者カード1の障害の
みを意識し、加入者の障害閉塞等の処理は行わない。つ
まり管理上は加入者カード1はまだ使用可と認識してい
る。) (2) 交換機制御装置8側より加入者回路制御部7側が管
理している加入者カード1の加入者データを代替用の加
入者カード5に乗せ替える指示を加入者回路制御部7側
に行う。 (3) 交換機制御装置8は加入者回線インタフェース2の
接点切替え及び、試験用切替セレクタ3の代替用加入者
カード5への切替えを加入者回路制御部7に指示する。
この時点で加入者端末6は使用可能となる。 (4) 保守者に加入者カード1の障害をメッセージで通知
し、又代替用カード5に切替えた事もメッセージで通知
する。 (5) 保守者が障害となった加入者カード1を正常なカー
ドと交換した時、加入者回路制御部7より加入者カード
1の復旧通知を交換機制御装置8側で受信する。この
時、交換機制御装置8側で保持している加入者カード1
の障害を消去する。 (6) 加入者回路制御部7に加入者回路制御部で管理して
いる加入者カード1の加入者データを元に戻すよう交換
機制御装置8側より指示する。 (7) 加入者回路制御部7に加入者回線インタフェース2
の切替接点を元に戻すように交換機制御装置8側より指
示する。以降、端末6は加入者カード1で制御され、加
入者収容位置の擬似は行わない。 (8) 保守者に加入者カード1の復旧と代替カード5から
の切替えをメッセージで通知する。
2 is a flow chart of processing by the subscriber circuit controller 7 and the exchange controller 8 of the present invention. (1) The exchange controller 8 receives a failure of the subscriber card 1 from the subscriber circuit control unit 7 that controls the subscriber card.
(At this time, the exchange control device 8 is aware only of the failure of the subscriber card 1, and does not perform processing such as blocking of the failure of the subscriber. That is, the subscriber card 1 is recognized to be usable from a management point of view. (2) An instruction from the exchange control unit 8 side to transfer the subscriber data of the subscriber card 1 managed by the subscriber circuit control unit 7 side to the substitute subscriber card 5 is given to the subscriber circuit control unit 7 side. To do. (3) The exchange controller 8 instructs the subscriber circuit controller 7 to switch contacts of the subscriber line interface 2 and to switch the test selector 3 to the substitute subscriber card 5.
At this point, the subscriber terminal 6 becomes usable. (4) The maintenance person is notified of the failure of the subscriber card 1 by a message, and the fact that the replacement card 5 is switched is also notified by a message. (5) When the maintenance person replaces the faulty subscriber card 1 with a normal card, the subscriber circuit control section 7 receives a restoration notice of the subscriber card 1 from the exchange control device 8 side. At this time, the subscriber card 1 held by the exchange control device 8 side
Erase the obstacle. (6) The exchange control unit 8 instructs the subscriber circuit control unit 7 to restore the subscriber data of the subscriber card 1 managed by the subscriber circuit control unit. (7) Subscriber circuit control unit 7 has subscriber line interface 2
The switching control device 8 side instructs the switch control device 8 side to return to the original state. After that, the terminal 6 is controlled by the subscriber card 1, and the subscriber accommodation position is not simulated. (8) Notify the maintenance person of the restoration of the subscriber card 1 and switching from the substitute card 5 by a message.

【0012】[0012]

【実施例】本発明の実施例のブロック構成図を図3に示
す。図において、1〜8は図1と同一名を示す。交換機
制御装置8はラインスイッチ11とチャンネル装置12と主
制御装置13と主記憶装置14とワークステーション15とか
らなり、加入者カード1と代替用加入者カード5とは同
一構成のサーキットを示す。また、加入者回線インタフ
ェース2は加入者端末側切替え用接点K,Mと加入者カ
ード側切替え用接点L,Nとからなり、試験用切替セレ
クタ3への引込み回線は各加入者回路と並列接続され
る。
FIG. 3 shows a block diagram of an embodiment of the present invention. In the figure, 1-8 shows the same name as FIG. The exchange control unit 8 comprises a line switch 11, a channel unit 12, a main control unit 13, a main storage unit 14 and a workstation 15, and the subscriber card 1 and the substitute subscriber card 5 show the same circuit. The subscriber line interface 2 is composed of subscriber terminal side switching contacts K and M and subscriber card side switching contacts L and N, and the lead-in line to the test switching selector 3 is connected in parallel with each subscriber circuit. To be done.

【0013】ジャンパー切替架4の代替サーキット端子
は加入者回線インタフェース2のK,M接点と接続さ
れ、加入者端末6を接点動作時に代替サーキット端子を
経由して代替用加入者カード5に接続出来るようにして
いる。従って、障害加入者カードが1以外の場合でも該
当する加入者カードの加入者回線インタフェース2の
K,M接点により代替用加入者カード5に接続可能であ
る。
The alternative circuit terminal of the jumper switching rack 4 is connected to the K and M contacts of the subscriber line interface 2, and the subscriber terminal 6 can be connected to the alternative subscriber card 5 via the alternative circuit terminal when the contact is operated. I am trying. Therefore, even if the faulty subscriber card is not 1, it can be connected to the substitute subscriber card 5 by the K and M contacts of the subscriber line interface 2 of the corresponding subscriber card.

【0014】なお、各加入者カードと代替用加入者カー
ド(複数)とは回線により加入者回路制御部7に多重化
接続されており、8MHz のディジタル回線により交換機
制御装置8のラインスイッチ11を経由して主制御装置13
と主記憶装置14に接続制御される。また、ワークステー
ション15はチャネル装置12により主制御装置13側に接続
され、加入者カードの障害を監視したり指示を与えたり
することが出来る。
Each subscriber card and a plurality of substitute subscriber cards are multiplexed and connected to the subscriber circuit control unit 7 by a line, and the line switch 11 of the exchange control unit 8 is connected by an 8 MHz digital line. Via main controller 13
And the main memory 14 is controlled. Further, the workstation 15 is connected to the main controller 13 side by the channel device 12 and can monitor the failure of the subscriber card and give an instruction.

【0015】上記加入者回線インタフェース2のK,M
接点の切替え及び、試験用切替セレクタ3により代替用
加入者カード5への切替えを加入者回路制御部7に交換
機制御装置8より指示する場合、この時点で加入者端末
6は使用可能となるが、発呼は代替用加入者カード5か
ら回線により加入者回路制御部7に通知されるが、加入
者回路制御部7は加入者収容位置を代替用加入者カード
5から加入者カード1に変換し、あたかも代替加入者カ
ード5からの発呼のように交換機制御装置8側に通知す
る。又、着信呼に関しても、交換機制御装置8側から加
入者カード1に対するオーダを全て代替用加入者カード
5に対するオーダに加入者回線制御部7側で変換する。
これ以降、加入者カード1を正常なカードに取替えるま
でこの制御を行う。
K, M of the subscriber line interface 2
When the switching control unit 8 instructs the subscriber circuit control unit 7 to switch the contact and switch to the substitute subscriber card 5 by the test switching selector 3, the subscriber terminal 6 becomes usable at this point. , The call is notified from the substitute subscriber card 5 to the subscriber circuit control unit 7 through the line. The subscriber circuit control unit 7 converts the subscriber accommodation position from the substitute subscriber card 5 to the subscriber card 1. Then, the exchange control device 8 is notified as if the call was made from the alternative subscriber card 5. Also for the incoming call, all the orders for the subscriber card 1 from the exchange control device 8 side are converted to the orders for the substitute subscriber card 5 on the subscriber line control section 7 side.
Thereafter, this control is performed until the subscriber card 1 is replaced with a normal card.

【0016】[0016]

【発明の効果】本発明により、従来の加入者カード障害
における手動での対処を、加入者カード試験システムと
加入者回路制御部に改良を加えることにより、タイムリ
ーな対処を低コスト且つ簡単な論理で可能にする。特に
保守者の常駐しない遠隔地の無人局等では効果が大き
い。
According to the present invention, the conventional manual countermeasure for a subscriber card failure is improved in the subscriber card test system and the subscriber circuit control unit, so that the timely countermeasure can be achieved at low cost and in a simple manner. Enable with logic. It is especially effective in unmanned stations in remote areas where maintenance personnel are not resident.

【図面の簡単な説明】[Brief description of drawings]

【図1】 本発明の原理構成図FIG. 1 is a block diagram of the principle of the present invention.

【図2】 本発明の処理フローチャートFIG. 2 is a processing flowchart of the present invention.

【図3】 実施例のブロック構成図FIG. 3 is a block configuration diagram of an embodiment.

【図4】 従来例の無人局の接続構成例FIG. 4 is a connection configuration example of a conventional unmanned station.

【符号の説明】[Explanation of symbols]

1 障害加入者カード 2 加入者回線インタフェース 3 試験用切替セレクタ 4 ジャンパー切替架 5 代替用加入者カード 6 加入者端末 7, 25 加入者回路制御部 8 交換機制御装置 11, 26 ラインスイッチ 12, 27 チャネル装置 13, 28 主制御装置 14, 29 主記憶装置 15, 30,31 ワークステーション 21 有人局交換機 22 無人局交換機 23 無人局端末 24 加入者カード収容架 1 failed subscriber card 2 subscriber line interface 3 test selector 4 jumper selector 5 alternative subscriber card 6 subscriber terminal 7, 25 subscriber circuit controller 8 switch controller 11, 26 line switch 12, 27 channels Device 13, 28 Main control device 14, 29 Main memory device 15, 30, 31 Workstation 21 Manned station switch 22 Unmanned station switch 23 Unmanned station terminal 24 Subscriber card accommodation rack

Claims (1)

【特許請求の範囲】 【請求項1】 加入者端末(6)を接続する加入者カー
ド(1)には加入者回線対応に加入者回線インタフェー
ス(2)が設けられ、試験用切替セレクタ(3)により
選択された加入者回線の端末側及び加入者カード側をジ
ャンパー切替架(4)に接続し、ジャンパー切替架
(4)に回線側試験装置及び加入者カード側試験装置を
接続して加入者回線の試験を行う交換機において、 該ジャンパー切替架(4)に代替サーキット端子を設
け、代替サーキット端子に代替用加入者カード(5)を
接続しておき、障害加入者カード(1)に対応して選択
した試験用切替セレクタ(3)により該当する加入者回
線インタフェース(2)の加入者端末側をジャンパー切
替架(4)の該代替サーキット端子に切替え、該代替サ
ーキット端子に接続された代替用加入者カード(5)に
接続することを特徴とする障害加入者カードの自動切替
方式。
Claims: 1. A subscriber card (1) for connecting a subscriber terminal (6) is provided with a subscriber line interface (2) corresponding to a subscriber line, and a test selector (3). ) Connect the terminal side and subscriber card side of the subscriber line selected by) to the jumper switch rack (4), and connect the line side test equipment and subscriber card side test equipment to the jumper switch rack (4) to join. In an exchange that tests a person's line, an alternative circuit terminal is provided on the jumper switching rack (4), and an alternative subscriber card (5) is connected to the alternative circuit terminal to support the failed subscriber card (1). The subscriber terminal side of the corresponding subscriber line interface (2) is switched to the alternative circuit terminal of the jumper switching rack (4) by the test switching selector (3) selected by Automatic switching mode failure subscriber card, characterized in that to connect to an alternative for the subscriber card connected to the child (5).
JP18496791A 1991-07-25 1991-07-25 Automatic switching system for defective subscriber's card Withdrawn JPH0530547A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18496791A JPH0530547A (en) 1991-07-25 1991-07-25 Automatic switching system for defective subscriber's card

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18496791A JPH0530547A (en) 1991-07-25 1991-07-25 Automatic switching system for defective subscriber's card

Publications (1)

Publication Number Publication Date
JPH0530547A true JPH0530547A (en) 1993-02-05

Family

ID=16162488

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18496791A Withdrawn JPH0530547A (en) 1991-07-25 1991-07-25 Automatic switching system for defective subscriber's card

Country Status (1)

Country Link
JP (1) JPH0530547A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6328473B1 (en) 1998-06-17 2001-12-11 Nikon Corporation Static air-bearing and stage apparatus using the bearing and optical apparatus using the stage apparatus
US6467960B1 (en) 2000-08-18 2002-10-22 Nikon Corporation Air bearing linear guide for use in a vacuum

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6328473B1 (en) 1998-06-17 2001-12-11 Nikon Corporation Static air-bearing and stage apparatus using the bearing and optical apparatus using the stage apparatus
US6467960B1 (en) 2000-08-18 2002-10-22 Nikon Corporation Air bearing linear guide for use in a vacuum

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Legal Events

Date Code Title Description
A300 Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 19981008