JPS6471363A - Signal transmitter - Google Patents
Signal transmitterInfo
- Publication number
- JPS6471363A JPS6471363A JP62229021A JP22902187A JPS6471363A JP S6471363 A JPS6471363 A JP S6471363A JP 62229021 A JP62229021 A JP 62229021A JP 22902187 A JP22902187 A JP 22902187A JP S6471363 A JPS6471363 A JP S6471363A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- reception
- transmission line
- transmission
- group
- 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
- Time-Division Multiplex Systems (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Abstract
PURPOSE:To recognize a line fault in a short time by sending a signal monitoring the reception quality of a transmission line. CONSTITUTION:Signal transmissions 1a, 1b send transmission signal groups 2a, 2b to reception signal groups 4a, 4b respectively through transmission lines 5a, 5b. A carrier detect reception 3b representing whether the reception signal of the transmission line 5a is normal is given to the transmission signal group 2b, sent through the transmission line 5b, become the reception signal group 4a and the state is confirmed by the terminal equipment of the signal transmitter 1a. Conversely, a carrier detect signal 3a representing whether or not the recep tion signal of the transmission line 5b is normal is inputted to the reception signal group 2a and sent through the transmission line 5a, becomes the reception signal group 4b and the state is recognized at the terminal equipment of the signal transmitter 1b.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62229021A JPS6471363A (en) | 1987-09-11 | 1987-09-11 | Signal transmitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62229021A JPS6471363A (en) | 1987-09-11 | 1987-09-11 | Signal transmitter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6471363A true JPS6471363A (en) | 1989-03-16 |
Family
ID=16885509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62229021A Pending JPS6471363A (en) | 1987-09-11 | 1987-09-11 | Signal transmitter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6471363A (en) |
-
1987
- 1987-09-11 JP JP62229021A patent/JPS6471363A/en active Pending
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