JPS5824062B2 - How to accommodate transport lines in a 4-wire switching device - Google Patents

How to accommodate transport lines in a 4-wire switching device

Info

Publication number
JPS5824062B2
JPS5824062B2 JP3791179A JP3791179A JPS5824062B2 JP S5824062 B2 JPS5824062 B2 JP S5824062B2 JP 3791179 A JP3791179 A JP 3791179A JP 3791179 A JP3791179 A JP 3791179A JP S5824062 B2 JPS5824062 B2 JP S5824062B2
Authority
JP
Japan
Prior art keywords
line
relay
carrier
register
carrier line
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
Application number
JP3791179A
Other languages
Japanese (ja)
Other versions
JPS55130287A (en
Inventor
宮本直行
江坂睦生
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
Original Assignee
Fujitsu 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 filed Critical Fujitsu Ltd
Priority to JP3791179A priority Critical patent/JPS5824062B2/en
Publication of JPS55130287A publication Critical patent/JPS55130287A/en
Publication of JPS5824062B2 publication Critical patent/JPS5824062B2/en
Expired legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)

Description

【発明の詳細な説明】 本発明は、4線式交換装置に搬送回線を収容する方法に
関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for accommodating carrier lines in a four-wire switching system.

搬送回線を4線式交換装置に収容する場合、一般的に4
線式交換装置に次の機能が必要となる。
When accommodating the carrier line in a 4-wire switching device, generally 4
The following functions are required for wire switching equipment.

(1) 発呼検出機能 搬送回線の発呼を検出し、共通制御装置を起動する。(1) Call detection function Detects a call on the carrier line and activates the common control device.

及び発呼した搬送回線を共通制御装置が識別できるよう
にする機能。
and a function that allows the common control unit to identify the calling carrier line.

(2)状態表示機能 搬送回線の空・話中状態及びロックアウト状態を共通制
御装置が識別できるようにする機能で搬送回線が正常に
接続されるようにする。
(2) Status display function A function that allows the common control device to identify the empty/busy status and lockout status of the carrier line, so that the carrier line can be connected normally.

(3) ラインロックアウト機能 搬送回線が発呼してから一定時間以内に選択信号が到来
しない場合あるいは、交換装置が接続動作できない場合
、搬送回線の発呼を無効にし、話中音を搬送回線に送る
機能。
(3) Line lockout function If the selection signal does not arrive within a certain period of time after the carrier line makes a call, or if the switching equipment cannot connect, the call is disabled and the busy tone is transferred to the carrier line. Function to send to.

(4)搬送回線との信号の中継機能 搬送回線とレジスタとの間あるいは搬送回線とトランク
との間で、起動(捕捉)・復旧・応答・終話及び選択信
号等の交換接続に必要な信号を送り受けする機能。
(4) Relay function for signals with the carrier line Signals necessary for exchanging connections such as activation (capture), recovery, response, end of call, and selection signals between the carrier line and the register or between the carrier line and the trunk A function to send and receive.

さて、4線式交換装置と搬送回線との信号の送り受は方
法は第1図の方法が一般的によく知られている。
Now, the method shown in FIG. 1 is generally well known as a method for transmitting and receiving signals between a four-wire switching device and a carrier line.

即ち、送話路及び受話路の、各々の通話路の両端に線輪
REP−R1、R2、REP−TI、T2を設け、その
両線輪の中性点を使って、信号を通話路に重畳し送り受
けする方法(シンプレックス方式)。
That is, wire rings REP-R1, R2, REP-TI, and T2 are provided at both ends of each of the sending and receiving paths, and the neutral points of the two wires are used to transfer signals to the communication path. A method of sending and receiving data in a superimposed manner (simplex method).

この方法によれば、リンクの線数を、送話路の2線、受
話路の2線だけとすることができる。
According to this method, the number of link lines can be reduced to only two lines for the sending line and two lines for the receiving line.

この第1図の方法で、信号の送り受けを行なう搬送回線
を4線式交換装置に収容した場合の従来例を第2図に示
す。
FIG. 2 shows a conventional example in which a carrier line for transmitting and receiving signals is housed in a four-wire switching device using the method shown in FIG.

次に、この第2図の回路の動作説明をする。Next, the operation of the circuit shown in FIG. 2 will be explained.

(尚、加入者回路のリレーLA、COAはリレーL、C
Oの補助リレーなので動作、復旧の説明を省略する。
(In addition, relays LA and COA of the subscriber circuit are relays L and C.
Since this is an auxiliary relay for O, the explanation of its operation and recovery will be omitted.

)(1)発信動作 (発呼検出及び話中表示) 搬送回線が発呼し、RG2線に地気を上げると搬送付加
装置のリレーRが動作し、接点rが制御線に地気を上げ
るため、加入者回路のラインリレーLが動作する。
) (1) Calling operation (call detection and busy display) When the carrier line makes a call and raises the voltage to the RG2 line, the relay R of the carrier additional device operates, and the contact R raises the voltage to the control line. Therefore, the line relay L of the subscriber circuit operates.

リレーLが動作すると、接点l“が地気で図示せざるマ
ーカを起動し、接点l“の地気で、この搬送回線の収容
位置をマーカが識別できるようにする。
When the relay L is operated, the contact l" activates a marker (not shown) with the ground, and the marker can identify the accommodation position of this carrier line with the ground of the contact l".

このように加入者回路のリレーLの動作で発呼検出を行
なっている。
In this way, call detection is performed by the operation of relay L in the subscriber circuit.

又、加入者回路は、ラインロックアウト時に話中音を送
出する線輪RFPを、接点1a2で受話路から切りばな
し、線輪による通話損失をなくしている。
In addition, the subscriber circuit disconnects the line ring RFP, which sends a busy tone at the time of line lockout, from the receiving line at the contact point 1a2, thereby eliminating call loss due to the line ring.

(加入者回路の接続状態) このようにして加入者回路が発呼検出を行ないマーカを
起動すると、マーカは公知の発信音接続で、発呼した搬
送回線をリンクを介してレジスタに接続する。
(Connection state of subscriber circuit) When the subscriber circuit detects a call and activates the marker in this manner, the marker connects the calling carrier line to the register via a link using a known dial tone connection.

レジスタはリンクを保持するため、E線に地気を上げる
The register raises earth to the E line to maintain the link.

このE線の地気で加入者回路のカットオフリレーCOが
動作し、制御線からリレーLを切りはなす。
The cut-off relay CO of the subscriber circuit operates due to the power of this E line, and disconnects the relay L from the control line.

しかし、リレーLはE線に接続しているもう一方の巻線
で動作を続ける。
However, relay L continues to operate with the other winding connected to the E wire.

即ち、加入者回路は、レジスタからのE線の地気でリレ
ーL、Coの動作を保持する。
That is, the subscriber circuit maintains the operation of relays L and Co with the E line from the register.

(搬送回線とレジスタとの信号の送り受は動作)レジス
タの接点dが閉結し、受話路に地気を重畳し、搬送付加
装置に送る。
(Signal transmission and reception between the carrier line and the register is in operation) Contact d of the register is closed, superimposing earth air on the receiving channel and sending it to the carrier additional device.

搬送付加装置ではこの地気をリレーDLが受げて動作し
、接点diの閉結により地気をDL線に送る。
In the additional conveyance device, the relay DL receives and operates the earth air, and sends the earth air to the DL line by closing the contact di.

この方法により搬送回線はレジスタの接続準備完了等の
信号を受信できる。
This method allows the carrier line to receive signals such as register connection ready completion.

搬送回線とレジスタがリンクを介して接続されると、搬
送回線からレジスタへの信号の転送は次のようにして、
行なわれる。
Once the carrier line and the register are connected via a link, the transfer of signals from the carrier line to the register is as follows:
It is done.

RG2線の地気を搬送付加装置のリレーRが受けて動作
し、接点rの閉結で送話路に地気を重畳し、レジスタに
送る。
Relay R of the conveyance addition device receives and operates the earth air of the RG2 line, and when contact r is closed, earth air is superimposed on the transmission path and sent to the register.

レジスタはこの地気をリレーAが受けて動作する。The register operates when relay A receives this air.

RGZ線の地気がなくなれば当然、レジスタのリレーA
は復旧する。
Naturally, if the RGZ line loses its strength, the register relay A
will be restored.

この方法により、レジスタは、搬送回線からの起動(捕
捉)・復旧及び選択信号等を受信できる。
With this method, the register can receive activation (capture), recovery, selection signals, etc. from the carrier line.

但し、選択信号が多周波符号の場合はこの方法によらず
搬送回線の送話路から直接、搬送付加装置及びリンクの
送話路を通ってレジスタに入る。
However, if the selection signal is a multi-frequency code, this method is not used and the signal is input directly from the transmission path of the carrier line to the register through the transmission path of the carrier adding device and the link.

以上の方法によって、搬送回線とレジスタとの間で信号
の送り、受けが行なわれ、レジスタに選択信号が入条と
公知の接続動作により、発呼した搬送回線はリンク及び
トランクを介して被呼者回線と接続される。
By the above method, signals are sent and received between the carrier line and the register, and a selection signal is input to the register. By a known connection operation, the calling carrier line is connected to the called carrier line via the link and trunk. connected to the public line.

この場合、E線にはトランクから地気が上がるので、加
入者回路のリレーL、Coは復旧せず、継続して動作し
、加入者回路は接続状態を保つ。
In this case, since air rises from the trunk to the E line, relays L and Co in the subscriber circuit are not restored but continue to operate, and the subscriber circuit remains connected.

(搬送回線とトランクとの信号の送り受は動作)又、上
記の状態において、搬送回線とトランクとの信号の送り
受は方法は、前述のレジスタとの信号の送り受けと同じ
方法で行なわれる。
(Sending and receiving signals between the carrier line and the trunk works) In addition, in the above state, the method for sending and receiving signals between the carrier line and the trunk is the same as the method for sending and receiving signals between the register and the register described above. .

(2)着信動作 公知の着信接続で搬送回線とトランクが、リンクを介し
て接続されると、トランクからE線に地気が上がり、加
入者回路のリレーL、C0を動作し、加入者回路を接続
状態にする。
(2) Incoming call operation When the carrier line and trunk are connected via a link in a known incoming call connection, air rises from the trunk to line E, operates relays L and C0 in the subscriber circuit, and to the connected state.

又、搬送回線とトランクとの信号の送り受は方法は発信
動作の場合と同じ方法で行なわれる。
Further, the sending and receiving of signals between the carrier line and the trunk is performed in the same manner as in the case of the outgoing operation.

(3) ラインロックアウト動作 加入者回路が前述の接続状態にある時、E線の地気がな
(なり、リレーL、COがともに復旧しはじめリレーL
が復旧した場合、あるいは加入者回路が発呼検出を行な
いマーカを起動している時、マーカがロックアウト制御
を行ない接点110を通して加入者回路に地気を上げリ
レーCOを動作させ、リレーLを復旧させた場合、搬送
回線が起動又は応答状態にあると搬送付加装置のリレー
Rが動作しているので復旧の遅いリレーCOは接点rの
地気で動作を保持する。
(3) Line lockout operation When the subscriber circuit is in the above-mentioned connection state, the E line is disconnected, and both relays L and CO begin to recover.
is restored, or when the subscriber circuit detects a call and activates the marker, the marker performs lockout control and raises air to the subscriber circuit through contact 110, activating relay CO and turning on relay L. When the system is restored, if the transport line is activated or in a response state, the relay R of the transport additional device is in operation, so the relay CO, which is slow to restore, maintains its operation with the ground contact of the contact r.

このようにリレーLが復旧し、リレーCOのみが動作し
ている状態になると加入者回路は信号機を起動し、線輪
RFPから話中音を搬送回線に送る。
When the relay L is restored and only the relay CO is in operation, the subscriber circuit activates the traffic signal and sends a busy tone from the wire ring RFP to the carrier line.

即ち、加入者回路はラインロックアウト状態となる。That is, the subscriber circuit enters a line lockout state.

搬送回線が復旧するとリレーCOが復旧して加入者回路
は空状態となる。
When the carrier line is restored, the relay CO is restored and the subscriber circuit becomes empty.

(4)状態表示 搬送回線の状態は加入者回路のリレーL。(4) Status display The status of the carrier line is relay L of the subscriber circuit.

COの動作組合で識別する。Identified by CO movement group.

即ち、リレーLのみが動作の場合を発呼検出状態、リレ
ーL。
That is, when only relay L is operating, the call detection state is relay L.

COが動作の場合を接続状態、リレーCOのみが動作の
場合をロックアウト状態、リレーL。
When CO is operating, it is connected state, and when only relay CO is operating, it is lockout state, relay L.

COが不動作の場合を空状態と識別する。A case where the CO is inactive is identified as an empty state.

発呼検出状態、接続状態及びロックアウト状態を話中状
態とし、マーカに対して、空・話中表示及びロックアウ
ト表示を行なう。
The call detection state, connection state, and lockout state are set to the busy state, and the marker displays an empty/busy display and a lockout display.

動作は、以上の通りであるが、ラインロックアウトの話
中音送出は、加入者回路のリレーLが復旧(補助リレー
LAも復旧)し、リレーCOのみが動作しているときに
必要なため、第1図の如く、加入者回路に線輪RFPが
必要となる。
The operation is as described above, but the busy tone for line lockout is necessary when relay L in the subscriber circuit is restored (auxiliary relay LA is also restored) and only relay CO is operating. , as shown in FIG. 1, a wire loop RFP is required in the subscriber circuit.

又、リレーLやCOは、通称WKリレーで構成される。Furthermore, relays L and CO are commonly known as WK relays.

このWKリレーは、2個の独立したリレーとして働(た
め、リレー1個当りの価格が安いことおよび、スペース
の有効性から使用されるが難点は、接点数が多くとれな
い。
This WK relay works as two independent relays (therefore, it is used because the price per relay is low and the space is efficient, but the drawback is that it cannot have a large number of contacts.

そこで、第2図の従来の構成では、リレーLやCOの接
点数が、そのリレーの最大接点数以上となり、補助リレ
ーLAやCOAを使用している。
Therefore, in the conventional configuration shown in FIG. 2, the number of contacts of relays L and CO exceeds the maximum number of contacts of the relays, and auxiliary relays LA and COA are used.

本発明は、これら線輪RFPや、補助リレーLA、CO
Aを使用しなくてすむ構成としたものであり、4線式交
換装置において、搬送回線のSS線の信号で搬送回線の
受信路に直流ループを作成するようにし、かつ、該受話
路は2線式電話機の加入者回路インターフェースとする
ことにより達成した。
The present invention is applicable to these wire ring RFPs, auxiliary relays LA, CO
This is a configuration that eliminates the need to use A, and in a four-wire switching device, a DC loop is created in the receiving path of the carrier line by the signal of the SS line of the carrier line, and the receiving path is This was achieved by using it as a subscriber circuit interface for wired telephones.

かかる、本発明の一実施例を示したのが第3図であり、 前述の従来例との相違点に関して説明する。FIG. 3 shows an embodiment of the present invention, Differences from the conventional example described above will be explained.

尚、第2図と同符号のものは、同一機能で示す。Components with the same symbols as in FIG. 2 have the same functions.

(1)搬送回線との信号の送り受は方法 先ず搬送回線からレジスタ又はトランクに信号を送る方
法はRG2線の地気で搬送付加装置のリレーRを動作さ
せ、受話路に直流ループを作り、直流ループ方式でレジ
スタ又はトランクに信号を送る。
(1) How to send and receive signals to and from the carrier line First, the method for sending signals from the carrier line to the register or trunk is to operate the relay R of the carrier additional device using the ground air of the RG2 line, and create a DC loop in the receiving line. Sends a signal to a register or trunk using a DC loop method.

この信号はレジスタ又はトランクのAポジションリレー
Aで受信する。
This signal is received at A position relay A of the register or trunk.

次にレジスタ又はトランクから搬送回線に信号を送る場
合は、送話路に設けた線輪の中点を使うシンプレックス
方式で搬送回線に信号を送る。
Next, when sending a signal from the register or trunk to the carrier line, the signal is sent to the carrier line using the simplex method, which uses the midpoint of the wire provided in the transmission path.

(2)発呼検出動作 リレーL、COで構成された2線式電話機の加入者回路
を搬送付加装置の受話路に接続し、受話路にできる直流
ループがリレーLを動作させて、行なっている。
(2) Call detection operation Connect the subscriber circuit of the two-wire telephone set consisting of relays L and CO to the receiving path of the carrier add-on device, and the DC loop formed in the receiving path activates relay L. There is.

(3) ラインロックアウト動作 リレーCOの保持が搬送付加装置の受話路に作られる直
流ループで行なわれ、話中音をリレーCOの保持回線の
ループに重畳し、搬送回線に送る。
(3) Line lockout operation Relay CO is held in a DC loop created in the receiving line of the conveyance add-on device, and the busy tone is superimposed on the holding line loop of relay CO and sent to the conveyance line.

このように、リレーL、COのみで回路を構成した一般
2線式電話機の加入者回路を搬送回線の受話路に接続す
ることにより、第2図の従来例のように線輪RFPを介
して、話中音を送出する回路、リレーCOを制御する制
御線及びリレーL。
In this way, by connecting the subscriber circuit of a general 2-wire telephone, whose circuit is configured only with relays L and CO, to the receiving path of the carrier line, it is possible to use , a circuit that sends out a busy tone, a control line that controls relay CO, and relay L.

COの補助リレーLA 、COAを必要としないため、
著しく経済的な搬送回線の収容が可能となる。
CO auxiliary relay LA, since COA is not required,
This allows for extremely economical accommodation of conveyor lines.

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

第1図は従来公知の、信号中継方式を示す。 第2図は従来公知の、搬送回線を収容する回路例を示す
。 第3図は本発明の一実施例を示す。図中、Lはラインリ
レー、COはカットオフリレー、RFPは線輪。
FIG. 1 shows a conventionally known signal relay system. FIG. 2 shows an example of a conventionally known circuit for accommodating a carrier line. FIG. 3 shows an embodiment of the invention. In the figure, L is a line relay, CO is a cut-off relay, and RFP is a wire ring.

Claims (1)

【特許請求の範囲】[Claims] 14線式交換装置において、搬送回線のSS線の信号で
搬送回線の受話路に直流ループを作成するようにし、か
つ、該受信路は2線式電話機の加入者回路インターフェ
ースとしたことを特徴とする4線式交換装置における搬
送回線の収容方法。
In the 14-wire switching device, a DC loop is created in the receiving path of the carrier line by the signal of the SS line of the carrier line, and the receiving path is a subscriber circuit interface of a 2-wire telephone. A method for accommodating carrier lines in a four-wire switching device.
JP3791179A 1979-03-30 1979-03-30 How to accommodate transport lines in a 4-wire switching device Expired JPS5824062B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3791179A JPS5824062B2 (en) 1979-03-30 1979-03-30 How to accommodate transport lines in a 4-wire switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3791179A JPS5824062B2 (en) 1979-03-30 1979-03-30 How to accommodate transport lines in a 4-wire switching device

Publications (2)

Publication Number Publication Date
JPS55130287A JPS55130287A (en) 1980-10-08
JPS5824062B2 true JPS5824062B2 (en) 1983-05-19

Family

ID=12510721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3791179A Expired JPS5824062B2 (en) 1979-03-30 1979-03-30 How to accommodate transport lines in a 4-wire switching device

Country Status (1)

Country Link
JP (1) JPS5824062B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0579446B2 (en) * 1984-09-04 1993-11-02 Inoue Japax Res
KR20180127199A (en) 2017-05-18 2018-11-28 도쿄엘렉트론가부시키가이샤 Output inspection method for ozone mass flow controller

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63181557A (en) * 1987-01-23 1988-07-26 Matsushita Electric Ind Co Ltd Repeating exchange

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0579446B2 (en) * 1984-09-04 1993-11-02 Inoue Japax Res
KR20180127199A (en) 2017-05-18 2018-11-28 도쿄엘렉트론가부시키가이샤 Output inspection method for ozone mass flow controller

Also Published As

Publication number Publication date
JPS55130287A (en) 1980-10-08

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