JPS616963A - Diagnostic device of dtmf reception circuit - Google Patents

Diagnostic device of dtmf reception circuit

Info

Publication number
JPS616963A
JPS616963A JP12798384A JP12798384A JPS616963A JP S616963 A JPS616963 A JP S616963A JP 12798384 A JP12798384 A JP 12798384A JP 12798384 A JP12798384 A JP 12798384A JP S616963 A JPS616963 A JP S616963A
Authority
JP
Japan
Prior art keywords
circuit
dtmf signal
dtmf
reception circuit
control circuit
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
Application number
JP12798384A
Other languages
Japanese (ja)
Inventor
Masahiro Mitsuzuka
正博 三塚
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP12798384A priority Critical patent/JPS616963A/en
Publication of JPS616963A publication Critical patent/JPS616963A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/22Arrangements for supervision, monitoring or testing
    • H04M3/24Arrangements for supervision, monitoring or testing with provision for checking the normal operation

Abstract

PURPOSE:To attain periodical automatic diagnosis consisting mainly of a controller by making a DTMF signal generating circuit independent of a trunk line circuit and gathering the circuits to attain ease of information transmission/ reception with a DTMF signal reception circuit. CONSTITUTION:In transmitting a DTMF signal to a trunk line, a call processing control circuit 7 transmits information to an exchange 5 and a DTMF signal transmission circuit 9 to form a channel between the DTMF signal transmission circuit 9 and the corresponding trunk line circuit 3. In diagnosing the DTMF signal reception circuit 9, the control circuit 7 operates a DTMF signal transmission circuit 9 and forms a channel between the DTMF transmission circuit 6 and the DTMF signal reception circuit 6, the DTMF signal transmitted by the DTMF signal transmission circuit 9 is received, decoded by the DTMF signal reception circuit 6 and the result is informed to the control circuit 7.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、電子電話交換機、ボタン電話交換装置などに
利用するDTMF信号受信回路の診断装置に関するもの
である。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a diagnostic device for a DTMF signal receiving circuit used in electronic telephone exchanges, key telephone exchanges, and the like.

従来例の構成とその問題点 第1図は、従来の装置を示している。以下にこの従来例
の構成について第1図とともに説明する。
Structure of a conventional example and its problems FIG. 1 shows a conventional device. The configuration of this conventional example will be explained below with reference to FIG. 1.

交換装置5の端末であるブノンーボタン式電話機】から
送出されたDTMF信号は、ライン回路2を通り、交換
装置5を介してDTMF信号受信回路6に送られ、解読
される。解読された情報は、呼処理制御回路7に送られ
、交換装置5を制御することによりライン回路2を介し
て、相手端末1との間に通話換が形成される。公共回線
(局線。
The DTMF signal sent from the terminal of the switching device 5, ie, the button-type telephone, passes through the line circuit 2, and is sent to the DTMF signal receiving circuit 6 via the switching device 5, where it is decoded. The decoded information is sent to the call processing control circuit 7, which controls the switching device 5 to establish a call exchange with the other party's terminal 1 via the line circuit 2. Public line (central line).

外線)への発信の場合も同様でライン回路2を介して局
線回路3を通じて通話路を形成し、接続を行う。また、
たとえば、局線に対してD’14F信号を送出する場合
は局線回路3内に、DTMF信号発信回路を置き、呼処
理制御装置7からの情報により、これを動作させ局側へ
信号を送出する方法が一般にとられている。
Similarly, in the case of a call to an outside line (outside line), a communication path is formed via the line circuit 2 and the office line circuit 3, and the connection is made. Also,
For example, when sending the D'14F signal to the office line, a DTMF signal transmission circuit is placed in the office line circuit 3, and is operated based on information from the call processing control device 7 to send the signal to the office side. This method is generally used.

従来例においては、以上の様にDTMF信号受信回路6
 b D T M F発信回路は別離独立しており、相
互の診断は各々の局線回路30個々のDTMF発信回路
を操作せねばならず複雑になる。また、一般にI) T
 M 1=’信号受信回路の診断を行う場合はDTMI
−信号受信回路に試験用D T M F電話機8を接続
して行うなど、マニーアルにより行う場合が多い。
In the conventional example, as described above, the DTMF signal receiving circuit 6
b The DTMF transmitting circuits are separate and independent, and mutual diagnosis becomes complicated because the individual DTMF transmitting circuits of each station line circuit 30 must be operated. Also, generally I) T
M 1 = 'DTMI when diagnosing the signal receiving circuit
- This is often done manually, such as by connecting the test DTMF telephone 8 to the signal receiving circuit.

以上の様に、DTMP受信回受信回路6註診断は、制御
回路7による自動や定期的なものはあまり行なわれてお
らず、信頼性の上から種々問題があった。
As described above, the diagnosis of the DTMP reception circuit 6 is rarely performed automatically or periodically by the control circuit 7, and there are various problems in terms of reliability.

発明の目的 本発明は、上記従来例の問題点を除去するものでろシ、
信頼性を大巾に向上はせた優れた診断装置を提供するこ
とを目的とするものである。
Purpose of the Invention The present invention eliminates the problems of the above-mentioned conventional example.
The purpose is to provide an excellent diagnostic device with greatly improved reliability.

発明の構成 本発明は、上記目的を達成するために1) T M F
信号発信回路を局線回路から独立さぜ、一つにまとめ、
DTMF信号受信回路との間の情報送受を容易にし、制
御装置を中心とした定期自動診断を可能にしたものであ
る。
Structure of the Invention The present invention aims to achieve the above objects by: 1) TMF
The signal transmission circuit is independent from the station line circuit and integrated into one.
This facilitates information transmission and reception with the DTMF signal receiving circuit, and enables periodic automatic diagnosis centered on the control device.

実施例の説明 以下に本発明の構成について図面とともに説明する。第
2図は本発明の診断装置の一実施例の構成を示すもので
あり、図中、第1図と同一符号を付したものは、第1図
と同一のものを示している。
DESCRIPTION OF EMBODIMENTS The structure of the present invention will be described below with reference to the drawings. FIG. 2 shows the configuration of an embodiment of the diagnostic apparatus of the present invention, and in the figure, the same reference numerals as in FIG. 1 indicate the same components as in FIG. 1.

そして、第1図と異なる点は、DTMI−発振回路9を
局線回路3から独立させ、一つに寸とめて別に置いてい
るところである。従って、呼処理制御回路7とのインク
フェースも従来とは異なり、各局線回路3とを結ぶこと
もなく容易になっている。
The difference from FIG. 1 is that the DTMI oscillation circuit 9 is made independent from the station line circuit 3, and is placed separately. Therefore, the ink interface with the call processing control circuit 7 is also different from the conventional one, and is simplified without being connected to each office line circuit 3.

局線に対して、DTMF信号を送信する場合は、呼処理
制御回路7が、交換装置5及びD T M II”信号
発信回路9に情報を送り、DTMF信号発信回路9と該
当する局線回路3との間の通話路を形成するとともに、
DTMF信号発信回路9にDTMF信号に送出させるこ
とによシ、局線に対しDTMF信号を送出するように構
成している。
When transmitting a DTMF signal to a central office line, the call processing control circuit 7 sends information to the switching device 5 and the DTMF signal transmitting circuit 9 and the corresponding central office line circuit. In addition to forming a communication path with 3,
The DTMF signal generating circuit 9 is configured to transmit the DTMF signal to the central office line by causing the DTMF signal transmitting circuit 9 to transmit the DTMF signal.

DTMF信号受信回路9の診断方法は、制御回路7がI
) T M F信号発信回路9を操作し、また交換装置
5を通じてDTMF発信回路6とD T M F信号受
信回路6の間の通話路を形成することにより、DTMF
信号発信回路9で送出したD T M ]”信号を、J
) T M I”信号受信回路6で受信,解読し結果を
制御回路7に通知することで容易に可能となる。DTM
F信号発信回路9から送出されたDT M F信号と、
DTMF信号受信回路6で受信されたD T M F信
号は、1対1に対応するだめ、交換装置の通話路の診断
を兼ねることが可能となる。
The method for diagnosing the DTMF signal receiving circuit 9 is that the control circuit 7
) By operating the TMF signal transmitting circuit 9 and forming a communication path between the DTMF transmitting circuit 6 and the DTM F signal receiving circuit 6 through the switching device 5,
The DTM] signal sent out by the signal transmitting circuit 9 is
) This is easily possible by receiving and decoding the TMI” signal in the receiving circuit 6 and notifying the control circuit 7 of the result.DTM
The DTMF signal sent out from the F signal transmission circuit 9,
Since the DTMF signals received by the DTMF signal receiving circuit 6 have a one-to-one correspondence, they can also be used to diagnose the communication path of the switching device.

発明の効果 本発明(d、上記の様な構成であり、以下に示す効果が
得られるものである。
Effects of the Invention The present invention (d) has the above-mentioned configuration and provides the following effects.

(a)  D T M F信号発信回路を局線回路と分
離して設けているので、DTMF信号受信回路の診断が
きわめて容易になり、しかも (b)  同様の理由により、交換装置を通した通話路
の診断も行なえるようになり、実用上きねめて有利であ
る。捷だ、 (c)  D T M F信号発信回路,同受信回路の
不良を検出した場合、他の回路と分離しているため、交
換,修理が比較的容易であり、全体としてメインテナン
ス性に著しく優れたものKなるという利点を有する。
(a) Since the DTMF signal transmitting circuit is provided separately from the office line circuit, diagnosis of the DTMF signal receiving circuit is extremely easy. It is now possible to perform road diagnosis, which is extremely advantageous in practical terms. (c) If a defect in the DTM F signal transmitting circuit or receiving circuit is detected, it is relatively easy to replace or repair because it is separated from other circuits, and overall maintainability is significantly improved. It has the advantage of being an excellent product.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、従来のDTMF信号受信回路の診断装置を示
すブロック図、第2図は本発明の診断装置の一実施例の
全体構成を示すブロック図である。 1 タッチトーン電話機、2 ライン回路(LC回路)
、3 ・局線回路(Co回路)、4・通話路、5・交換
装置(NW,ネットワーク)、6−・・DTMF受信回
路、7・−呼処理制御回路、8 DTMF試験電話機、
9  DT M F発信回路。
FIG. 1 is a block diagram showing a conventional diagnostic device for a DTMF signal receiving circuit, and FIG. 2 is a block diagram showing the overall configuration of an embodiment of the diagnostic device of the present invention. 1 touch tone telephone, 2 line circuit (LC circuit)
, 3 - Office line circuit (Co circuit), 4 - Communication path, 5 - Switching device (NW, network), 6 - DTMF receiving circuit, 7 - Call processing control circuit, 8 DTMF test telephone,
9 DTMF transmitter circuit.

Claims (1)

【特許請求の範囲】[Claims] プッシュボタン式電話機から発せられるDTMF信号を
受信し、DTMF信号の示すダイヤル番号を解読し、呼
処理を行う制御回路へ通知するDTMF信号受信回路を
DTMF信号発信回路と接いでおき、相互の診断を可能
にしたDTMF受信回路の診断装置。
A DTMF signal receiving circuit that receives a DTMF signal emitted from a push-button telephone, deciphers the dial number indicated by the DTMF signal, and notifies a control circuit that processes the call is connected to a DTMF signal transmitting circuit to perform mutual diagnosis. A diagnostic device for the DTMF receiving circuit that has made this possible.
JP12798384A 1984-06-21 1984-06-21 Diagnostic device of dtmf reception circuit Pending JPS616963A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12798384A JPS616963A (en) 1984-06-21 1984-06-21 Diagnostic device of dtmf reception circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12798384A JPS616963A (en) 1984-06-21 1984-06-21 Diagnostic device of dtmf reception circuit

Publications (1)

Publication Number Publication Date
JPS616963A true JPS616963A (en) 1986-01-13

Family

ID=14973536

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12798384A Pending JPS616963A (en) 1984-06-21 1984-06-21 Diagnostic device of dtmf reception circuit

Country Status (1)

Country Link
JP (1) JPS616963A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55139724A (en) * 1979-04-18 1980-10-31 Tokyo Shibaura Electric Co Vacuum switching device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55139724A (en) * 1979-04-18 1980-10-31 Tokyo Shibaura Electric Co Vacuum switching device

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