JPH02288644A - Modulator-demodulator - Google Patents
Modulator-demodulatorInfo
- Publication number
- JPH02288644A JPH02288644A JP1109911A JP10991189A JPH02288644A JP H02288644 A JPH02288644 A JP H02288644A JP 1109911 A JP1109911 A JP 1109911A JP 10991189 A JP10991189 A JP 10991189A JP H02288644 A JPH02288644 A JP H02288644A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- address
- control device
- line control
- data
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
Landscapes
- Communication Control (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、変復調装置のアドレス表示手段に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to address display means for a modem device.
本発明は、回線制御装置にケーブル接続される変復調装
置において、
あらかじめ設定されたアドレスを特性の信号の状態の組
合せに応じて回線制御装置に与えることにより、
接続の妥当性の確認を容易に行うことができるようにし
たものである。The present invention facilitates checking the validity of a connection in a modem device connected to a line control device by cable, by giving a preset address to the line control device according to a combination of characteristic signal states. It has been made possible to do so.
従来例では、回線数の多いシステムのシステム構築を行
う場合に、変復調装置、回線制御装置およびこれらに接
続するケーブルが多くなり、接続ミスや接続忘れなどに
よるシステムダウンを調査するのに時間がかかり、また
接続の妥当性の確認にも長い時間が費やされていた。In conventional systems, when constructing a system with a large number of lines, there are many modem equipment, line control equipment, and cables connected to these equipment, and it takes time to investigate system failures due to connection errors or forgotten connections. , and also spent a lot of time verifying the validity of the connection.
このように従来例では、接続ミスなどによるシステムダ
ウンが発生すると、調査に長時間が費やされ、また接続
の妥当性の確認にも長時間が費やされる欠点があった。As described above, in the conventional example, when a system failure occurs due to a connection error, a long time is required for investigation, and a long time is also required for confirming the validity of the connection.
本発明はこのような欠点を除去するもので、回線制御装
置との接続の妥当性の確認が短時間で行える手段を有す
る変復調装置を提供することを目的とする。The present invention aims to eliminate such drawbacks, and aims to provide a modulation/demodulation device having a means for confirming the validity of connection with a line control device in a short time.
本発明は、自装置を他装置から識別するアドレス値が設
定されるアドレス設定手段を備え、回線制御装置にケー
ブルを介して接続された変復調装置において、上記回線
制御装置から与えられるデータ端末レディ信号がオン状
態のときには上記回線制御装置への受信データ信号に転
送モードのデータを与え、また、データ端末レディ信号
がオフ状態でかつ送信要求信号がオン状態のときには上
記回線制御装置への受信データ信号に上記アドレス設定
手段の内容を与えるアドレス出力制御手段を備えたこと
を特徴とする。The present invention provides a modem/demodulator that is connected to a line control device via a cable and that includes an address setting means in which an address value for identifying the device itself from other devices is set, and that receives a data terminal ready signal from the line control device. When is on, transfer mode data is given to the received data signal to the line control device, and when the data terminal ready signal is off and the transmission request signal is on, the received data signal is sent to the line control device. The present invention is characterized by comprising address output control means for giving the contents of the address setting means to the address setting means.
変復調装置は、回線制御装置からのデータ端末レディ
（ＥＲ）信号がオン状態のときには受信データ（ＲＤ）
信号へは通常の転送モードのデータを出力し、回線制御
装置からのデータ端末レディ（ＥＲ）信号がオフ状態で
かつ送信要求（Ｒ３）信号がオン状態であるときには受
信データ（ＲＤ）信号ヘアドレススイッチ手段の内容を
出力して変復調装置のアドレス表示を行う。The modem is the data terminal ready from the line controller.
When the (ER) signal is on, the received data (RD)
Data in normal transfer mode is output to the signal, and when the data terminal ready (ER) signal from the line control device is off and the transmission request (R3) signal is on, the address is sent to the received data (RD) signal. The contents of the switch means are output to display the address of the modulation/demodulation device.
以下、本発明の一実施例を図面に基づき説明する。第１
図はこの実施例の構成を示すブロック構成図であり、第
２図はこの実施例の動作を示すタイムチャートである。Hereinafter, one embodiment of the present invention will be described based on the drawings. 1st
The figure is a block diagram showing the configuration of this embodiment, and FIG. 2 is a time chart showing the operation of this embodiment.
この実施例は、第１図に示すように、回線制御装置２に
ケーブルを介して接続され、自装置を他装置から識別す
るアドレス値が設定されるアドレス設定手段であるアド
レススイッチ１６を備え、さらに、本発明の特徴とする
手段として、回線制御装置２から与えられるデータ端末
レディ信号がオン状態のときには回線制御装置２への受
信データ信号に転送モードのデータを与え、また、デー
タ端末レディ信号がオフ状態でかつ送信要求信号がオン
状態のときには回線制御装置２への受信データ信号に上
記アドレス設定手段の内容を与えるアドレス出力制御手
段であるアドレス出力制御回路１５を備える。As shown in FIG. 1, this embodiment includes an address switch 16 that is connected to the line control device 2 via a cable and is an address setting means in which an address value for identifying the own device from other devices is set. Further, as a feature of the present invention, when the data terminal ready signal given from the line control device 2 is in the on state, transfer mode data is given to the received data signal to the line control device 2, and the data terminal ready signal The address output control circuit 15 is provided as an address output control means for applying the contents of the address setting means to the received data signal to the line control device 2 when the transmission request signal is in the off state and the transmission request signal is in the on state.
次に、この実施例の動作を説明する。回線制御装置２か
らのデータ端末レディ （ＥＲ）信号２０１および送信
要求（Ｒ３）信号２０２は変復調装置１０内のレシーバ
回路１１を介してデータ端末レディ （ＥＲ）信号１０
１および送信要求（Ｒ５）信号１０２になり、演算回路
１３およびアドレス出力制御回路１５に供給される。ア
ドレス出力制御回路１５は、回線制御装置２からのデー
タ端末レディ （ＥＲ）信号２０１がオン状態のときに
は演算回路１３からの受信データ（ＲＤ）信号１１１を
選択し、ドライバ回路１２を介して受信データ（ＲＤ）
信号２１１にデータを送出し、また、データ端末レディ
（ＥＲ）信号２０１がオフ状態かつ送信要求（Ｒ３）
信号２０２がオン状態のときには、アドレススイッチ１
６の内容を選択し、第２図に示すようにアドレススイッ
チ１６に設定された数だけのタロツクをドライバ回路１
２を介して受信データ（ＲＤ）信号２１１に送出し、回
線制御装置２に通知する。通信制御装置１および回線制
御装置２が接続されている変復調装置１０を知りたい場
合は、データ端末レディ （ＥＲ）信号２０１をオフ状
態かつ送信要求（Ｒ３）信号２０２をオン状態にし、変
復調装置１０からの受信データ（ＲＤ）信号２１１上の
クロックをカウントすることでアドレススイッチ１６の
内容が読み取ることができ、変復調装置１０のアドレス
スイッチ１６にセットされたユニークな値に基づき回線
制御装置２と変復調装置１０との接続を確認することが
できる。Next, the operation of this embodiment will be explained. The data terminal ready (ER) signal 201 and the transmission request (R3) signal 202 from the line control device 2 are sent to the data terminal ready (ER) signal 10 via the receiver circuit 11 in the modem device 10.
1 and a transmission request (R5) signal 102, which is supplied to the arithmetic circuit 13 and the address output control circuit 15. The address output control circuit 15 selects the received data (RD) signal 111 from the arithmetic circuit 13 when the data terminal ready (ER) signal 201 from the line control device 2 is on, and sends the received data via the driver circuit 12. (RD)
Data is sent to signal 211, and data terminal ready (ER) signal 201 is off and transmission request (R3)
When the signal 202 is on, the address switch 1
6, and as shown in FIG.
2 as a received data (RD) signal 211 to notify the line control device 2. If you want to know the modem 10 to which the communication control device 1 and line control device 2 are connected, turn off the data terminal ready (ER) signal 201 and turn on the transmission request (R3) signal 202, The contents of the address switch 16 can be read by counting the clock on the received data (RD) signal 211 from the line controller 2 and the modulator/demodulator based on the unique value set in the address switch 16 of the modulator/demodulator 10. Connection with the device 10 can be confirmed.
また、通信制御装置１および回線制御装置２がオンライ
ンでデータを転送したいときには、データ端末レディ
（ＥＲ）信号２０１をオン状態にすると、変復調装置１
０からの受信データ（ＲＤ）信号２１１に演算回路１３
からの受信データ（ＲＤ）信号１１１が選択されて通常
のデータ転送が行える。Also, when the communication control device 1 and the line control device 2 want to transfer data online, the data terminal is ready.
When the (ER) signal 201 is turned on, the modem 1
The arithmetic circuit 13 receives the received data (RD) signal 211 from 0.
The received data (RD) signal 111 from the RD is selected and normal data transfer can be performed.
本発明は、以上説明したように、回線制御装置からのデ
ータ端末レディ （ＥＲ）信号および送信要求（Ｒ３）
信号に応じて変復調装置がアドレススイッチの内容を受
信データ（ＲＤ）信号に出力できるので、ケーブルの接
続ミスによるシステムダウンが防げかつ接続の妥当性の
チエツクが容易になり、またその調査に要する時間を省
くことができる効果がある。As explained above, the present invention is applicable to the data terminal ready (ER) signal and transmission request (R3) from the line control device.
Since the modem can output the contents of the address switch as a received data (RD) signal according to the signal, system failures due to cable connection errors can be prevented, and the validity of the connection can be easily checked, and the time required to investigate it can be reduced. This has the effect of eliminating the
・・・人力インクフェース信号群、１０１．２０１・・
・データ端末レディ （ＥＲ）信号、１０２．２０２・
・・送信要求（Ｒ３）信号、１１０．２１０・・・出力
インタフェース信号群、１１１．１１２．２１１・・・
受信データ（ＲＤ）信号。...Human ink face signal group, 101.201...
・Data terminal ready (ER) signal, 102.202・
... Transmission request (R3) signal, 110.210... Output interface signal group, 111.112.211...
Received data (RD) signal.
Claims (1)
るアドレス設定手段を備え、回線制御装置にケーブルを
介して接続された変復調装置において、 上記回線制御装置から与えられるデータ端末レディ信号
がオン状態のときには上記回線制御装置への受信データ
信号に転送モードのデータを与え、また、データ端末レ
ディ信号がオフ状態でかつ送信要求信号がオン状態のと
きには上記回線制御装置への受信データ信号に上記アド
レス設定手段の内容を与えるアドレス出力制御手段 を備えたことを特徴とする変復調装置。[Claims] 1. In a modem device connected to a line control device via a cable, the modem device is provided with an address setting means in which an address value for identifying the device itself from other devices is set, and the modem device is connected to a line control device via a cable. When the data terminal ready signal is on, transfer mode data is given to the received data signal to the line control device, and when the data terminal ready signal is off and the transmission request signal is on, it is sent to the line control device. A modulation/demodulation device comprising address output control means for applying the contents of the address setting means to the received data signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1109911A JP2765042B2 (en) | 1989-04-28 | 1989-04-28 | Modem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1109911A JP2765042B2 (en) | 1989-04-28 | 1989-04-28 | Modem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02288644A true JPH02288644A (en) | 1990-11-28 |
| JP2765042B2 JP2765042B2 (en) | 1998-06-11 |
Family
ID=14522275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1109911A Expired - Lifetime JP2765042B2 (en) | 1989-04-28 | 1989-04-28 | Modem |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2765042B2 (en) |
-
1989
- 1989-04-28 JP JP1109911A patent/JP2765042B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2765042B2 (en) | 1998-06-11 |
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