JPH0580858B2 - - Google Patents

Info

Publication number
JPH0580858B2
JPH0580858B2 JP58138263A JP13826383A JPH0580858B2 JP H0580858 B2 JPH0580858 B2 JP H0580858B2 JP 58138263 A JP58138263 A JP 58138263A JP 13826383 A JP13826383 A JP 13826383A JP H0580858 B2 JPH0580858 B2 JP H0580858B2
Authority
JP
Japan
Prior art keywords
communication line
modem
control device
public communication
automatic call
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
Application number
JP58138263A
Other languages
Japanese (ja)
Other versions
JPS6030250A (en
Inventor
Hiroya Tanaka
Takeshi Asahina
Yasuhide Kihara
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 JP13826383A priority Critical patent/JPS6030250A/en
Publication of JPS6030250A publication Critical patent/JPS6030250A/en
Publication of JPH0580858B2 publication Critical patent/JPH0580858B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)

Description

【発明の詳細な説明】 (a) 発明の技術分野 本発明は特定通信回線と、その両側に直列に接
続される二つの公衆通信回線とを備えるデータ伝
送系における自動着信制御装置に関する。Detailed Description of the Invention (a) Technical Field of the Invention The present invention relates to an automatic call termination control device in a data transmission system comprising a specified communication line and two public communication lines connected in series on both sides of the specified communication line.

(b) 技術の背景 情報処理の分野においてはデータ通信の占める
比重は急速に増大しており、大企業等において
は、一般に、比較的遠距離の都市間には専用の特
定通信回線を用い、これを時分割多重（TDM）
方式等の伝送装置を用いて多重化することによ
り、例えば複数のデータ端末装置と複数のデータ
端末装置との間での高速なデータ伝送が行われる
ようになつたが、さらに、特定通信回線とその両
側に直列に接続される二つの公衆通信回線とから
構成されるデータ伝送系によるデータ伝送も考え
られるようになつた。(b) Background of technology The importance of data communication in the field of information processing is rapidly increasing, and large companies generally use dedicated, specific communication lines between cities over relatively long distances. This is time division multiplexed (TDM)
High-speed data transmission has become possible, for example, between multiple data terminal devices and multiple data terminal devices by multiplexing using transmission devices such as Data transmission through a data transmission system consisting of two public communication lines connected in series on both sides has also come to be considered.

(c) 従来技術と問題点 第１図は特定通信回線とその両側に直列に接続
される二つの公衆通信回線とから構成されるデー
タ伝送系の例を示し、１は一方のデータ端末装置
（DTE）、２は一方のデータ端末装置１に接続さ
れる変復調装置（MODEM）、３は後記一方の公
衆通信回線４の一方のデータ端末装置１側に設け
られる網制御装置（NCU）、４は一方のデータ端
末装置１と後記特定通信回線８とを接続する一方
の公衆通信回線、５は一方の公衆通信回線４の後
記特定通信回線８側に設けられる網制御装置
（NCU）、６は一方の公衆通信回線４の後記特定
通信回線８側に設けられる変復調装置
（MODEM）、７は後記特定通信回線８の一方の
公衆通信回線４側に設けられる変復調装置
（MODEM）、８は特定通信回線、９は特定通信
回線８の後記他方の公衆通信回線１２側に設けら
れる変復調装置（MODEM）、１０は後記他方の
公衆通信回線１２の特定通信回線８側に設けられ
る変復調装（MODEM）、１１は後記他方の公衆
通信回線１２の特定通信回線８側に設けられる網
制御装置（NCU）、１２は特定通信回線８と後記
他方のデータ端末装置１５とを接続する他方の公
衆通信回線、１３は公衆通信回線１２の後記一方
のデータ端末装置１５側に設けられる網制御装置
（NCU）、１４は後記他方のデータ端末装置１５
に接続される変復調装置（MODEM）、１５は他
方のデータ端末装置（DTE）である。(c) Prior Art and Problems Figure 1 shows an example of a data transmission system consisting of a specified communication line and two public communication lines connected in series on both sides, where 1 indicates one data terminal device ( DTE), 2 is a modem (MODEM) connected to one data terminal device 1, 3 is a network control unit (NCU) provided on one data terminal device 1 side of one public communication line 4 (described later), 4 is a One public communication line connects one data terminal device 1 and a specified communication line 8 described later; 5 is a network control unit (NCU) provided on the side of the specified communication line 8 described later of one public communication line 4; 6 is one side of the specified communication line 8; 7 is a modem device (MODEM) installed on one of the public communication lines 4 side of the specified communication line 8 (described later), 8 is a specified communication line , 9 is a modem (MODEM) provided on the other public communication line 12 side of the specified communication line 8 (described later); 10 is a modem (MODEM) provided on the specified communication line 8 side of the other public communication line 12 (described later); 11 12 is a network control unit (NCU) provided on the specified communication line 8 side of the other public communication line 12 described later; 12 is the other public communication line connecting the specified communication line 8 and the other data terminal device 15 described later; 13 is the other public communication line A network control unit (NCU) provided on one data terminal device 15 side (described later) of the public communication line 12, 14 is the other data terminal device 15 (described later)
15 is the other data terminal equipment (DTE).

ところが、このような構成のデータ伝送系にお
いては、従来、一方の公衆通信回線４の特定通信
回線８側の網制御装置５および他方の公衆通信回
線１２の特定通信回線８側の網制御装置１１に
は、それぞれ、相手側の公衆通信回線すなわち他
方の公衆通信回線１２あるいは一方の公衆通信回
線４を制御する手段が設けられておらず、したが
つて、データ伝送の開始前および終了後に入手を
煩わさなければならないという欠点があつた。 However, in a data transmission system having such a configuration, conventionally, the network control device 5 on the specific communication line 8 side of one public communication line 4 and the network control device 11 on the specific communication line 8 side of the other public communication line 12 are not provided with means for controlling the public communication line of the other party, i.e. the other public communication line 12 or one of the public communication lines 4, respectively. It had the disadvantage of having to be bothered.

(d) 発明の目的 本発明の目的は、特定通信回線とその両側に直
列に接続される二つの公衆通信回線とを備えるデ
ータ伝送系を介し、一方のデータ端末装置と他方
の端末装置との間で人手を介することなく自動的
にデータ伝送が出来るようにすることにある。(d) Purpose of the Invention The purpose of the present invention is to enable communication between one data terminal device and the other terminal device through a data transmission system comprising a specified communication line and two public communication lines connected in series on both sides. The purpose is to enable data transmission between devices automatically without human intervention.

(e) 発明の構成 本発明になる自動着信制御装置は、公衆通信回
線を終端する網制御装置、該網制御装置と接続し
て該公衆通信回線によつて伝送される信号の変復
調を行う第１の変復調装置、及び特定通信回線と
接続し該特定通信回線によつて伝送される信号の
変復調を行う第２の変復調装置と接続する自動着
信制御装置であつて、該公衆通信回線から該網制
御装置及び第１の変復調装置を介して電話番号を
受信し、該電話番号を該第２の変復調装置を介し
て該特定通信回線へ中継する手段、該特定通信回
線から該第２の変復調装置を介して電話番号を受
信し、該網制御装置を制御して、該公衆通信回線
の当該電話番号の呼出制御を行う手段、及び該呼
出制御により該公衆通信回線が接続された場合
に、該第１及び第２の変復調装置間を直結する切
換手段を有し、特定通信回線とその両側に直列に
接続される二つの公衆通信回線とを介し一方のデ
ータ端末装置と他方のデータ端末装置との間のデ
ータ伝送を自動で行うようにしたものである。(e) Structure of the Invention The automatic call termination control device according to the present invention includes a network control device that terminates a public communication line, and a device that connects to the network control device and modulates and demodulates signals transmitted through the public communication line. An automatic call termination control device connected to a first modem and a second modem that connects to a specific communication line and modulates and demodulates signals transmitted by the specific communication line, means for receiving a telephone number via a control device and a first modem and relaying the telephone number to the specific communication line via the second modem, from the specific communication line to the second modem; means for receiving a telephone number via a telephone number, controlling the network control device, and controlling the calling of the telephone number of the public communication line, and when the public communication line is connected by the call control; It has a switching means that directly connects the first and second modulation/demodulation devices, and connects one data terminal device to the other data terminal device via a specific communication line and two public communication lines connected in series on both sides of the specified communication line. The data transmission between the two is automatically performed.

(f) 発明の実施例 以下、本発滅の要旨を実施例によつて具体的に
説明する。(f) Examples of the invention The gist of the invention will be specifically explained below using examples.

第２図は本発明一実施例の構成図を示し、第１
図に示した従来例と共通する符号は同一の対象物
を指すほか、１６及び１７は、それぞれ本発明の
自動着信制御装置を構成する自動着信制御部であ
つて、１６は変復調装置６と変復調装置７との間
に設けられる一方の自動着信制御部、１７は変復
調装置９と変復調装置１０との間に設けられる他
方の自動着信制御部である。 FIG. 2 shows a configuration diagram of one embodiment of the present invention.
Reference numerals common to those in the conventional example shown in the figure refer to the same objects, and 16 and 17 are automatic call reception control units respectively constituting the automatic reception control device of the present invention, and 16 is the modem device 6 and the modem One automatic call reception control section is provided between the device 7 and the other automatic call reception control section 17 is provided between the modem device 9 and the modem device 10.

また第３図は自動着信制御部１６および自動着
信制御部１７の細部構成図（但し括弧内の符号は
自動着信制御部１７に対するものを示す）を示
し、１６−１（１７−１）は制御部、１６−２
（１７−２）は切換部であり、制御部１６−１
（１７−１）は変復調装置６（１０）を経て得ら
れる送信データをモニターし、その内容に応じて
切換部１６−２（１７−２）を制御し、回線を接
続する時には変復調装置６（１０）と変復調装置
７（９）は制御部１６−１（１７−１）を介して
接続され、回線接続後は変復調装置６（１０）と
変復調装置７（９）は直接に接続される。 FIG. 3 shows a detailed configuration diagram of the automatic call reception control unit 16 and the automatic call reception control unit 17 (however, the numbers in parentheses indicate those for the automatic call reception control unit 17), and 16-1 (17-1) is a control block diagram. Section, 16-2
(17-2) is a switching section, and control section 16-1
(17-1) monitors the transmission data obtained through the modem 6 (10), controls the switching section 16-2 (17-2) according to the content, and when connecting the line, the modem 6 ( 10) and the modem 7 (9) are connected via the control section 16-1 (17-1), and after the line connection, the modem 6 (10) and the modem 7 (9) are directly connected.

自動着信制御部１６（１７）はデータ端末装置
１（１５）から送出される電話番号の受付手順・
自動着信制御部１７（１６）を通して網制御装置
１１（５）を制御し自動発信する機能・データ端
末装置１５（１）がビジーの時にはこれをデータ
端末装置１（１５）に通知する機能・データ端末
装置１（１５）の指示によつて公衆通信回線を復
旧させ更にこれを自動着信制御部１７（１６）に
通知する機能・自動着信制御部１７（１６）から
公衆通信回線復旧の通知が来たとき制御対象の公
衆通信回線が復旧していなければ強制的に復旧さ
せる機能等を有する。 The automatic call reception control unit 16 (17) follows the procedure for receiving the telephone number sent from the data terminal device 1 (15).
A function to control the network control device 11 (5) through the automatic incoming call control unit 17 (16) and automatically make a call.・A function to notify the data terminal device 1 (15) when the data terminal device 15 (1) is busy.・Data A function that restores the public communication line according to instructions from the terminal device 1 (15) and notifies the automatic call reception control unit 17 (16) of this. - A notification of the restoration of the public communication line is received from the automatic call reception control unit 17 (16). If the public communication line to be controlled has not been restored, it has the function of forcibly restoring it.

また、データ端末装置１（１５）は網制御装置
３（１３）を制御し、回線接続が出来たあと、デ
ータ端末装置１５（１）との交信を開始する前
に、自動着信制御部１６（１７）に対しデータ端
末装置１５（１）の電話番号を送出する機能、お
よびデータ端末装置１５（１）との交信が終了し
たあと、網制御装置３（１３）を制御し回線を復
旧する前に、自動着信制御部１６（１７）に対し
復旧指令を出す機能をも有する。 Furthermore, the data terminal device 1 (15) controls the network control device 3 (13), and after the line connection is established, the automatic call reception control section 16 ( 17), and after communication with the data terminal device 15(1) is completed, before controlling the network control device 3(13) and restoring the line. Additionally, it has a function of issuing a recovery command to the automatic call reception control unit 16 (17).

以上のような構成によつて、データ端末装置１
はデータ端末装置１５をダイヤルする事により、
自動着信制御装置１６に対しデータ端末装置１５
の電話番号を知らせるだけでデータ端末装置１５
との回線接続が出来る。 With the above configuration, the data terminal device 1
By dialing the data terminal device 15,
Data terminal device 15 for automatic call control device 16
data terminal device 15 just by providing the telephone number of
You can connect to the line.

したがつて、網制御装置５と変復調装置７との
間および変復調装置９と網制御装置１１との間に
人手を必要としない。 Therefore, no human intervention is required between the network control device 5 and the modem 7 and between the modem 9 and the network control device 11.

また、網制御装置５・変復調装置６および自動
着信制御部１６、ならびに自動着信制御部１７・
変復調装置１０および網制御装置１１を、それぞ
れ、複数組ずつ設けるほか、変復調装置７および
変復調装置９にTDM方式を採用することによつ
て、複数回線によるデータ伝送を行いデータ伝送
コストの一層の節減を図ることが出来る。 In addition, the network control device 5, modem device 6, automatic call reception control unit 16, and automatic call reception control unit 17,
In addition to providing a plurality of sets of each of the modem 10 and network control device 11, by adopting the TDM method for the modem 7 and the modem 9, data transmission is performed over multiple lines, further reducing data transmission costs. It is possible to aim for

(g) 発明の効果 以上説明したように、本発明によれば特定通信
回線とその両側に直列に接続される二つの公衆通
信回線とを備えるデータ伝送系を介し一方のデー
タ端末装置と他方のデータ端末装置との間で人手
を介することなく自動的にデータ伝送を行い、デ
ータ伝送のコストを節減することが出来る。(g) Effects of the Invention As explained above, according to the present invention, one data terminal device is connected to the other through a data transmission system that includes a specified communication line and two public communication lines connected in series on both sides of the specified communication line. Data is automatically transmitted between the data terminal device and the data terminal device without any human intervention, and the cost of data transmission can be reduced.

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

第１図は従来例の構成図、第２図は本発明一実
施例の構成図、また第３図は自動着信制御部の構
成図を示す。 図中、１は一方のデータ端末装置、４は一方の
公衆通信回線、５は網制御装置、８は専用通信回
線、１１は網制御装置、１２は他方の公衆通信回
線、１５は他方のデータ端末装置、１６は一方の
自動着信制御部、１７は他方の自動着信制御部で
ある。 FIG. 1 is a block diagram of a conventional example, FIG. 2 is a block diagram of an embodiment of the present invention, and FIG. 3 is a block diagram of an automatic call reception control section. In the figure, 1 is one data terminal device, 4 is one public communication line, 5 is a network control device, 8 is a dedicated communication line, 11 is a network control device, 12 is the other public communication line, and 15 is the other data In the terminal device, 16 is one automatic call reception control unit, and 17 is the other automatic call reception control unit.

Claims (1)

【特許請求の範囲】 １ 公衆通信回線を終端する網制御装置、該網制
御装置と接続して該公衆通信回線によつて伝送さ
れる信号の変復調を行う第１の変復調装置、及び
特定通信回線と接続し該特定通信回線によつて伝
送される信号の変復調を行う第２の変復調装置と
接続する自動着信制御装置であつて、 該公衆通信回線から該網制御装置及び第１の変
復調装置を介して電話番号を受信し、該電話番号
を該第２の変復調装置を介して該特定通信回線へ
中継する手段、 該特定通信回線から該第２の変復調装置を介し
て電話番号を受信し、該網制御装置を制御して、
該公衆通信回線の当該電話番号の呼出制御を行う
手段、 及び該呼出制御により該公衆通信回線が接続さ
れた場合に、該第１及び第２の変復調装置間を直
結する切換手段を有することを特徴とする自動着
信制御装置。[Scope of Claims] 1. A network control device that terminates a public communication line, a first modem device that connects to the network control device and modulates and demodulates signals transmitted by the public communication line, and a specific communication line. an automatic call termination control device connected to a second modem device that modulates and modulates signals transmitted by the specified communication line, the automatic call termination control device connecting the network control device and the first modem device from the public communication line; means for receiving a telephone number via the second modem and relaying the telephone number to the specific communication line via the second modem; receiving a telephone number from the specific communication line via the second modem; controlling the network control device;
means for controlling calling of the telephone number of the public communication line; and switching means for directly connecting the first and second modulation/demodulation devices when the public communication line is connected by the call control. Features an automatic call control device.
JP13826383A 1983-07-28 1983-07-28 Communication control system Granted JPS6030250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13826383A JPS6030250A (en) 1983-07-28 1983-07-28 Communication control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13826383A JPS6030250A (en) 1983-07-28 1983-07-28 Communication control system

Publications (2)

Publication Number Publication Date
JPS6030250A JPS6030250A (en) 1985-02-15
JPH0580858B2 true JPH0580858B2 (en) 1993-11-10

Family

ID=15217844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13826383A Granted JPS6030250A (en) 1983-07-28 1983-07-28 Communication control system

Country Status (1)

Country Link
JP (1) JPS6030250A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5844851A (en) * 1982-08-02 1983-03-15 Ricoh Co Ltd Line switching device

Also Published As

Publication number Publication date
JPS6030250A (en) 1985-02-15

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