JPS6424651A - Faulty location detecting system for network system - Google Patents
Faulty location detecting system for network systemInfo
- Publication number
- JPS6424651A JPS6424651A JP62180109A JP18010987A JPS6424651A JP S6424651 A JPS6424651 A JP S6424651A JP 62180109 A JP62180109 A JP 62180109A JP 18010987 A JP18010987 A JP 18010987A JP S6424651 A JPS6424651 A JP S6424651A
- Authority
- JP
- Japan
- Prior art keywords
- cut
- faulty
- transceivers
- transceiver
- control circuit
- 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.)
- Pending
Links
Abstract
PURPOSE:To easily find out a faulty station or a faulty transceiver by using a supervisory equipment so as to disconnect transceivers sequentially from a transmission line. CONSTITUTION:A supervising circuit N detects a fault of a maximum duration time of a carrier signal or a minimum pause time or a signal potential at carrier signal interruption to inform the result to a cut-off control circuit P. The cut-off control circuit P starts the sequence sending cut-off command signals SA-SD to transceivers TA-TD at a prescribed time interval to disconnect the transceivers TA-TD from a coaxial cable L. The cut-off control circuit P disconnects the relevant transceiver and if the fault is lost, a display circuit Q displays that a transceiver TA or a station A corresponding to the cut-off command signals SA is faulty. Thus, the operator of a network system can recognize immediately the faulty location.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62180109A JPS6424651A (en) | 1987-07-21 | 1987-07-21 | Faulty location detecting system for network system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62180109A JPS6424651A (en) | 1987-07-21 | 1987-07-21 | Faulty location detecting system for network system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6424651A true JPS6424651A (en) | 1989-01-26 |
Family
ID=16077579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62180109A Pending JPS6424651A (en) | 1987-07-21 | 1987-07-21 | Faulty location detecting system for network system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6424651A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2323490A (en) * | 1997-03-19 | 1998-09-23 | Fujitsu Ltd | Failure recovery in a passive optical network |
WO2017047469A1 (en) * | 2015-09-17 | 2017-03-23 | 株式会社オートネットワーク技術研究所 | Communication control device and communication system |
-
1987
- 1987-07-21 JP JP62180109A patent/JPS6424651A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2323490A (en) * | 1997-03-19 | 1998-09-23 | Fujitsu Ltd | Failure recovery in a passive optical network |
US6108112A (en) * | 1997-03-19 | 2000-08-22 | Fujitsu Limited | Method and apparatus for failure recovery in passive optical network |
GB2323490B (en) * | 1997-03-19 | 2001-08-29 | Fujitsu Ltd | Failure recovery in a passive optical network |
WO2017047469A1 (en) * | 2015-09-17 | 2017-03-23 | 株式会社オートネットワーク技術研究所 | Communication control device and communication system |
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