JPS6437147A - Trouble supervisory system - Google Patents
Trouble supervisory systemInfo
- Publication number
- JPS6437147A JPS6437147A JP19325487A JP19325487A JPS6437147A JP S6437147 A JPS6437147 A JP S6437147A JP 19325487 A JP19325487 A JP 19325487A JP 19325487 A JP19325487 A JP 19325487A JP S6437147 A JPS6437147 A JP S6437147A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- supervisory
- supervised
- trouble
- pattern
- 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
Landscapes
- Dc Digital Transmission (AREA)
Abstract
PURPOSE:To easily locate trouble by providing a supervisory circuit between circuits to be monitored and generating a prescribed monitor pattern. CONSTITUTION:The prescribed supervisory pattern which a pattern generator 1 generates is inserted to a monitor time slot in the signal, which is inputted from a circuit to be supervised in the preceding stage through a signal bus l1, by an inserting circuit 2 and is given to a circuit to be supervised in the succeeding stage through a signal bus l2. A supervisory pattern in the supervisory time slot of the signal which is branched from the signal bus l and is inputted from the circuit to be supervised in the preceding stage is compared with the prescribed supervisory pattern by a comparing circuit 3, and an alarm is outputted from an alarm output terminal 4 if this comparison does not result in coincidence. Since only the supervisory circuit in the succeeding stage of the circuit to be supervised tored generates the alarm when trouble occurs in this circuit to be supervised trouble is easily located, and even double trouble can be located.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19325487A JPS6437147A (en) | 1987-07-31 | 1987-07-31 | Trouble supervisory system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19325487A JPS6437147A (en) | 1987-07-31 | 1987-07-31 | Trouble supervisory system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6437147A true JPS6437147A (en) | 1989-02-07 |
Family
ID=16304896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19325487A Pending JPS6437147A (en) | 1987-07-31 | 1987-07-31 | Trouble supervisory system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6437147A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0715778A (en) * | 1993-06-25 | 1995-01-17 | Nec Corp | Time division synchronous multiplex bus circuit |
-
1987
- 1987-07-31 JP JP19325487A patent/JPS6437147A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0715778A (en) * | 1993-06-25 | 1995-01-17 | Nec Corp | Time division synchronous multiplex bus circuit |
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