JP2940114B2 - AC induction detection display method for subscriber circuits - Google Patents
AC induction detection display method for subscriber circuitsInfo
- Publication number
- JP2940114B2 JP2940114B2 JP24217290A JP24217290A JP2940114B2 JP 2940114 B2 JP2940114 B2 JP 2940114B2 JP 24217290 A JP24217290 A JP 24217290A JP 24217290 A JP24217290 A JP 24217290A JP 2940114 B2 JP2940114 B2 JP 2940114B2
- Authority
- JP
- Japan
- Prior art keywords
- line
- subscriber
- induction
- circuit
- detection display
- 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 - Fee Related
Links
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明の加入者回路の交流誘導検出表示方式に関し、
特に交換機における加入者線の商用電源による交流誘導
を検出し上位の制御装置に表示する方式に関する。DETAILED DESCRIPTION OF THE INVENTION INDUSTRIAL APPLICATION The present invention relates to an AC induction detection display method for a subscriber circuit,
In particular, the present invention relates to a system for detecting AC induction by a commercial power supply of a subscriber line in an exchange and displaying the AC induction on a higher-level control device.
従来の加入者回路は、交流誘導耐量を規定しており、
この範囲内の商用電源による加入者線への交流誘導なら
ば、通話に支障がない構成となっているため、交流誘導
の検出表示は特に行なわない構成となっていた。Conventional subscriber circuits stipulate the AC induction tolerance,
If the AC power is guided to the subscriber line by a commercial power supply within this range, the configuration is such that there is no trouble in the call, and thus the detection and display of the AC power is not particularly performed.
上述した従来の加入者回路は、交流誘導検出表示を行
わない構成となっているため、規定された交流誘導耐量
以上の交流誘導等による加入者線の障害を早期に発見す
ることが困難であり、加入者回路の正常な動作を阻害す
るという欠点がある。Since the above-described conventional subscriber circuit is configured not to perform the AC induction detection display, it is difficult to quickly detect a failure in the subscriber line due to AC induction or the like exceeding the specified AC induction tolerance. However, there is a disadvantage that the normal operation of the subscriber circuit is hindered.
本発明の加入者回路の交流誘導検出表示方式は、加入
者端末を接続する２線式加入者線を収容する交換機の加
入者回路の検出表示方式において、前記加入者線のＡ線
とＢ線間に接続されそのＡ線とＢ線に誘導される交流誘
導電圧を検出しあらかじめ設定された基準電圧と比較し
交流誘電流の判定を行い交換機の制御装置に対し交流誘
導検出表示信号を出力する交流誘導検出表示回路を前記
加入者回路に備え、前記制御装置が前記交流誘導検出表
示回路の出力信号を監視することにより前記加入者線の
交流誘導を検出する構成である。According to the present invention, there is provided an AC induction detection and display system for a subscriber circuit, wherein the A line and the B line of the subscriber line are provided in a system for detecting and displaying a subscriber circuit of an exchange accommodating a two-line subscriber line for connecting a subscriber terminal. An AC induced voltage induced between the A line and the B line is detected and compared with a preset reference voltage to determine an AC dielectric current, and an AC induction detection display signal is output to a control device of the exchange. An AC induction detection display circuit is provided in the subscriber circuit, and the control device detects an AC induction of the subscriber line by monitoring an output signal of the AC induction detection display circuit.
次に、本発明について図面を参照して説明する。 Next, the present invention will be described with reference to the drawings.
第１図は本発明の一実施例のブロック図である。加入
者端末１を接続した加入者線のＡ線２及びＢ線３が、交
流誘導検出表示回路41,スイッチ回路42及び給電回路43
を有する加入者回路４に収容され、加入者回路４は制御
装置６と制御装置６に制御される通話路装置５とに接続
されている。FIG. 1 is a block diagram of one embodiment of the present invention. The A line 2 and the B line 3 of the subscriber line to which the subscriber terminal 1 is connected are connected to an AC induction detection display circuit 41, a switch circuit 42, and a power supply circuit 43.
The subscriber circuit 4 is connected to a control device 6 and a communication path device 5 controlled by the control device 6.
次に動作を説明する。 Next, the operation will be described.
加入者回路４の給電回路43は、加入者端末１のオフフ
ックにより通話電流の供給を行い、かつ加入者線のＡ線
２とＢ線３間のループ状態の監視を行う。スイッチ回路
42は加入者線のＡ線２とＢ線３間に印加される電圧極性
の切り替えを行う。交流誘導検出表示回路41は、加入者
線のＡ線２とＢ線３間に接続され、Ａ線２とＢ線３に誘
導される交流誘導電圧を検出し、あらかじめ設定された
基準電圧と比較を行うことにより交流誘導の判定を行
い、制御装置６に対し加入者線の交流誘導検出表示信号
（DET）を送出する。制御装置６は交流誘導検出表示回
路41の交流誘導検出表示信号（DET）を監視することに
より加入者線のＡ線２及びＢ線３の交流誘導を検出す
る。The power supply circuit 43 of the subscriber circuit 4 supplies a call current by off-hook of the subscriber terminal 1 and monitors a loop state between the A line 2 and the B line 3 of the subscriber line. Switch circuit
Reference numeral 42 switches the polarity of the voltage applied between the A line 2 and the B line 3 of the subscriber line. The AC induction detection display circuit 41 is connected between the A line 2 and the B line 3 of the subscriber line, detects the AC induction voltage induced on the A line 2 and the B line 3, and compares the voltage with a preset reference voltage. Is performed, the AC guidance is determined, and an AC guidance detection display signal (DET) of the subscriber line is transmitted to the control device 6. The control unit 6 detects the AC induction of the A line 2 and the B line 3 of the subscriber line by monitoring the AC induction detection display signal (DET) of the AC induction detection display circuit 41.
以上説明したように本発明は、加入者回路が、加入者
線のＡ線とＢ線に誘導される交流誘導電圧を検出し基準
電圧との比較により交流誘導の判定を行い、上位の制御
装置が、その判定結果を監視することにより、加入者線
の障害を早期に発見することができ加入者へのサービス
向上を図ることができる。As described above, according to the present invention, the subscriber circuit detects an AC induction voltage induced on the A line and the B line of the subscriber line, determines the AC induction by comparing with the reference voltage, However, by monitoring the determination result, a failure in the subscriber line can be found at an early stage, and the service to the subscriber can be improved.
第１図は本発明の一実施例のブロック図である。 １……加入者端末、２……加入者線のＡ線、３……加入
者線のＢ線、４……加入者回路、５……通話路装置、６
……制御装置、41……交流誘導検出表示回路、42……ス
イッチ回路、43……給電回路。FIG. 1 is a block diagram of one embodiment of the present invention. 1 ... subscriber terminal, 2 ... subscriber line A line, 3 ... subscriber line B line, 4 ... subscriber circuit, 5 ... channel device, 6
... Control device, 41 ... AC induction detection display circuit, 42 ... Switch circuit, 43 ... Power supply circuit.
Claims (1)
収容する交換機の加入者回路の検出表示方式において、
前記加入者線のＡ線とＢ線間に接続されそのＡ線とＢ線
に誘導される交流誘導電圧を検出しあらかじめ設定され
た基準電圧と比較し交流誘導の判定を行い交換機の制御
装置に対し交流誘導検出表示信号を出力する交流誘導検
出表示回路を前記加入者回路に備え、前記制御装置が前
記交流誘導検出表示回路の出力信号を監視することによ
り前記加入者線の交流誘導を検出することを特徴とする
加入者回路の交流誘導検出表示方式。1. A system for detecting and displaying a subscriber circuit of an exchange accommodating a two-wire subscriber line for connecting a subscriber terminal.
An AC induction voltage connected between the A line and the B line of the subscriber line and induced on the A line and the B line is detected and compared with a preset reference voltage to determine the AC induction, and the control device of the exchange is provided with a control device. On the other hand, an AC induction detection display circuit for outputting an AC induction detection display signal is provided in the subscriber circuit, and the control device detects the AC induction of the subscriber line by monitoring an output signal of the AC induction detection display circuit. A method for detecting and displaying an AC guidance of a subscriber circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24217290A JP2940114B2 (en) | 1990-09-12 | 1990-09-12 | AC induction detection display method for subscriber circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24217290A JP2940114B2 (en) | 1990-09-12 | 1990-09-12 | AC induction detection display method for subscriber circuits |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04120947A JPH04120947A (en) | 1992-04-21 |
| JP2940114B2 true JP2940114B2 (en) | 1999-08-25 |
Family
ID=17085391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24217290A Expired - Fee Related JP2940114B2 (en) | 1990-09-12 | 1990-09-12 | AC induction detection display method for subscriber circuits |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2940114B2 (en) |
-
1990
- 1990-09-12 JP JP24217290A patent/JP2940114B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04120947A (en) | 1992-04-21 |
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|---|---|---|---|
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| LAPS | Cancellation because of no payment of annual fees |