JPH03109464U - - Google Patents
Info
- Publication number
- JPH03109464U JPH03109464U JP1794490U JP1794490U JPH03109464U JP H03109464 U JPH03109464 U JP H03109464U JP 1794490 U JP1794490 U JP 1794490U JP 1794490 U JP1794490 U JP 1794490U JP H03109464 U JPH03109464 U JP H03109464U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- supply voltage
- telephone line
- station power
- terminals
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案の端末用網制御装置の一実施
例を使用したデータ通信システムのシステム構成
図、第２図は上記実施例の回路構成を示すブロツ
ク図、第３図は上記実施例における主制御装置の
回路構成を示すブロツク図、第４図は上記実施例
における局電源電圧検出回路の回路図、第５図は
上記実施例における設定情報判別動作を示すフロ
ーチヤートである。
１……ホストコンピユータ、２……センタ側網
制御装置（Ｃ−ＮＣＵ）、３，４……交換局（Ｌ
Ｓ）、５……ノーリンギングトランク（ＮＲＴ）
、６……端末用網制御装置（Ｔ−ＮＣＵ）、７，
８……端末、９……記録端末機器、１０……宅内
電話機、１２，１４……電話回線、１３……局間
中継線、６０１……局電源電圧検出回路、６０５
……主制御装置、６１２……接続切換回路、７０
１……タイマーカウンタ、７０２……ＣＰＵ、７
０３……データメモリ、７０４……プログラムメ
モリ。
FIG. 1 is a system configuration diagram of a data communication system using an embodiment of the network control device for terminals of this invention, FIG. 2 is a block diagram showing the circuit configuration of the above embodiment, and FIG. FIG. 4 is a block diagram showing the circuit configuration of the main control device, FIG. 4 is a circuit diagram of the station power supply voltage detection circuit in the above embodiment, and FIG. 5 is a flowchart showing the setting information discrimination operation in the above embodiment. 1...Host computer, 2...Center side network control unit (C-NCU), 3, 4...Switching center (L
S), 5...No-ringing trunk (NRT)
, 6...Terminal network control unit (T-NCU), 7,
8...Terminal, 9...Recording terminal equipment, 10...Home telephone, 12, 14...Telephone line, 13...Inter-office relay line, 601...Station power supply voltage detection circuit, 605
...Main control device, 612 ...Connection switching circuit, 70
1...Timer counter, 702...CPU, 7
03...Data memory, 704...Program memory.
Claims (1)
介してセンタ装置と接続され、記憶手段に設定さ
れた設定情報に基づいて上記センタ装置との間で
ノーリンギング通信を行い、メータやセンサ等の
端末からのデータを上記センタ装置に送信する一
方、上記電話回線からの宅内電話機の切り離しを
ラツチングリレーで行うようにした端末用網制御
装置において、 上記電話回線に接続され、上記電話回線に局電
源電圧が印加されたことを検出する局電源電圧検
出手段と、 上記局電源電圧検出手段が上記電話回線に局電
源電圧が印加されたことを検出した場合に、上記
記憶手段に設定情報が設定されているかどうかを
判別する設定情報判別手段と、 上記設定情報判別手段が上記記憶手段に設定情
報が設定されいないと判別した場合に、上記ラツ
チングリレーをリセツトするリセツト手段とを備
えたことを特徴とする端末用網制御装置。[Scope of Claim for Utility Model Registration] Connected to the center device via a telephone line equipped with a no-ringing trunk, no-ringing communication is performed with the center device based on the setting information set in the storage means, and the meter and sensor In a network control device for terminals, which transmits data from terminals such as terminals to the center device, and disconnects home telephones from the telephone line using a latching relay, a station power supply voltage detection means for detecting that a station power supply voltage is applied to the telephone line; and a station power supply voltage detection means for detecting that a station power supply voltage is applied to the telephone line; and a reset means for resetting the latching relay when the setting information determining means determines that the setting information is not set in the storage means. A network control device for a terminal, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1794490U JP2507844Y2 (en) | 1990-02-23 | 1990-02-23 | Terminal network controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1794490U JP2507844Y2 (en) | 1990-02-23 | 1990-02-23 | Terminal network controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03109464U true JPH03109464U (en) | 1991-11-11 |
| JP2507844Y2 JP2507844Y2 (en) | 1996-08-21 |
Family
ID=31521121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1794490U Expired - Lifetime JP2507844Y2 (en) | 1990-02-23 | 1990-02-23 | Terminal network controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2507844Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7810192B2 (en) | 2005-12-28 | 2010-10-12 | Foot Techno Inc. | Head support pillow |
-
1990
- 1990-02-23 JP JP1794490U patent/JP2507844Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7810192B2 (en) | 2005-12-28 | 2010-10-12 | Foot Techno Inc. | Head support pillow |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2507844Y2 (en) | 1996-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |