JPH03463U - - Google Patents
Info
- Publication number
- JPH03463U JPH03463U JP1989061219U JP6121989U JPH03463U JP H03463 U JPH03463 U JP H03463U JP 1989061219 U JP1989061219 U JP 1989061219U JP 6121989 U JP6121989 U JP 6121989U JP H03463 U JPH03463 U JP H03463U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- connection
- abnormality
- communication system
- data communication
- 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
- 230000005856 abnormality Effects 0.000 claims description 11
- 230000004913 activation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Selective Calling Equipment (AREA)
Description
第１図は本考案に係る自動データ通信システム
の端末網制御装置の機能ブロツク図、第２図は自
動データ通信システムの構成図、第３図は端子接
続切離し手段のブロツク図、第４図は同じくその
要部拡大図、第５図は制御フローチヤートである
。
１……ホストコンピユータ、２……Ｃ−ＮＣＵ
、３，４……交換局、６……Ｔ−ＮＣＵ、７……
メータ等、８……センサ等、９……端末側装置、
１０……電話機、１１……センタ装置、１２，１
３，１４……電話回線、２１……端子等試験電文
受信手段、２２……端子接続切離し手段、２３…
…端子異常判定手段、２４……端子試験結果通報
手段、２５……端末電文送受信手段、２６……端
末異常判定手段、２７……端末試験結果通報手段
、２８……計時手段、３１……マイクロコンピユ
ータ、３３……インタフエース回路、３５……リ
ードリレー接点、３６……駆動回路、３８……電
話機制御インタフエース、３９……電話回線イン
タフエース。
Fig. 1 is a functional block diagram of the terminal network control device of the automatic data communication system according to the present invention, Fig. 2 is a block diagram of the automatic data communication system, Fig. 3 is a block diagram of the terminal connection/disconnection means, and Fig. 4 is a block diagram of the terminal network control device of the automatic data communication system according to the present invention. Similarly, FIG. 5, which is an enlarged view of the main part, is a control flowchart. 1...Host computer, 2...C-NCU
, 3, 4... Switching station, 6... T-NCU, 7...
Meter, etc., 8... Sensor, etc., 9... Terminal side device,
10...Telephone, 11...Center device, 12,1
3, 14...Telephone line, 21...Terminal test message receiving means, 22...Terminal connection disconnection means, 23...
... Terminal abnormality determination means, 24 ... Terminal test result reporting means, 25 ... Terminal message transmitting and receiving means, 26 ... Terminal abnormality determination means, 27 ... Terminal test result reporting means, 28 ... Timing means, 31 ... Micro Computer, 33...Interface circuit, 35...Reed relay contact, 36...Drive circuit, 38...Telephone control interface, 39...Telephone line interface.
Claims (1)
動データ通信システムの端末網制御装置において
、センタ側から端子等の試験電文を受信する端子
等試験電文受信手段と、該試験電文受信手段の出
力信号に基いて端末側装置を電気的に切離す端子
接続切離し手段と、端子接続切離し手段による端
子切離し後に前記接続端子部の起動異常を判定す
る端子異常判定手段と、該端子異常判定手段の判
定結果をセンタ側に通報する端子試験結果通報手
段とを備えたことを特徴とする自動データ通信シ
ステムの端末網制御装置。 ２ 請求項１記載の自動データ通信システムの端
末網制御装置において、請求項１記載の接続端子
部に接続された端末側装置に電文を送受信する端
末電文送受信手段と、該端末電文送受信手段の受
信結果に基いて端末側装置の異常を検出判定する
端末異常判定手段と、端末異常判定手段の判定結
果をセンタ側に通報する端末試験結果通報手段と
を備え、請求項１記載の端子接続切離し手段に端
末側装置を電気的に接続する機能が有せしめられ
、請求項１記載の端子異常判定手段による判定結
果が正常なときに、端子接続切離し手段により端
末側装置を接続し、端末側装置の異常を検出する
よう構成されたことを特徴とする自動データ通信
システムの端末網制御装置。 ３ 請求項１記載自動データ通信システムの端末
網制御装置において、端子接続切離し手段を定期
的に作動させるための計時手段が設けられ、定期
的に端子異常の検出を行なうよう構成されたこと
を特徴とする自動データ通信システムの端末網制
御装置。[Scope of Claim for Utility Model Registration] 1. In a terminal network control device for an automatic data communication system having a connection terminal unit for connecting terminal side devices, means for receiving test messages for terminals, etc. from the center side; Terminal connection/disconnection means for electrically disconnecting the terminal side device based on the output signal of the test message receiving means; terminal abnormality determination means for determining activation abnormality of the connection terminal section after the terminal is disconnected by the terminal connection/disconnection means; 1. A terminal network control device for an automatic data communication system, comprising terminal test result reporting means for reporting the determination result of the terminal abnormality determining means to a center side. 2. In the terminal network control device for an automatic data communication system according to claim 1, a terminal message transmitting/receiving means for transmitting and receiving a message to the terminal device connected to the connection terminal section according to claim 1, and a receiving device for the terminal message transmitting/receiving means. Terminal connection disconnection means according to claim 1, comprising terminal abnormality determining means for detecting and determining an abnormality in the terminal side device based on the result, and terminal test result reporting means for reporting the determination result of the terminal abnormality determining means to the center side. is provided with a function of electrically connecting the terminal side device, and when the determination result by the terminal abnormality determination means according to claim 1 is normal, the terminal side device is connected by the terminal connection disconnection means, and the terminal side device is connected. A terminal network control device for an automatic data communication system, characterized in that it is configured to detect an abnormality. 3. The terminal network control device for an automatic data communication system according to claim 1, further comprising a clock means for periodically operating the terminal connection and disconnection means, and configured to periodically detect terminal abnormalities. A terminal network control device for an automatic data communication system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989061219U JPH0728766Y2 (en) | 1989-05-25 | 1989-05-25 | Terminal network control device for automatic data communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989061219U JPH0728766Y2 (en) | 1989-05-25 | 1989-05-25 | Terminal network control device for automatic data communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03463U true JPH03463U (en) | 1991-01-07 |
| JPH0728766Y2 JPH0728766Y2 (en) | 1995-06-28 |
Family
ID=31589277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989061219U Expired - Lifetime JPH0728766Y2 (en) | 1989-05-25 | 1989-05-25 | Terminal network control device for automatic data communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0728766Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5624866A (en) * | 1979-08-06 | 1981-03-10 | Nippon Telegr & Teleph Corp <Ntt> | Sectioning test circuit |
-
1989
- 1989-05-25 JP JP1989061219U patent/JPH0728766Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5624866A (en) * | 1979-08-06 | 1981-03-10 | Nippon Telegr & Teleph Corp <Ntt> | Sectioning test circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0728766Y2 (en) | 1995-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |