JPS5784644A - Detection system of transmission line termination state - Google Patents
Detection system of transmission line termination stateInfo
- Publication number
- JPS5784644A JPS5784644A JP55161726A JP16172680A JPS5784644A JP S5784644 A JPS5784644 A JP S5784644A JP 55161726 A JP55161726 A JP 55161726A JP 16172680 A JP16172680 A JP 16172680A JP S5784644 A JPS5784644 A JP S5784644A
- Authority
- JP
- Japan
- Prior art keywords
- master station
- signal
- connection
- transmission line
- transmits
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55161726A JPS5784644A (en) | 1980-11-17 | 1980-11-17 | Detection system of transmission line termination state |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55161726A JPS5784644A (en) | 1980-11-17 | 1980-11-17 | Detection system of transmission line termination state |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5784644A true JPS5784644A (en) | 1982-05-27 |
JPS6338131B2 JPS6338131B2 (enrdf_load_html_response) | 1988-07-28 |
Family
ID=15740709
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55161726A Granted JPS5784644A (en) | 1980-11-17 | 1980-11-17 | Detection system of transmission line termination state |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5784644A (enrdf_load_html_response) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112470358A (zh) * | 2018-07-27 | 2021-03-09 | 日新电机株式会社 | 电源系统 |
-
1980
- 1980-11-17 JP JP55161726A patent/JPS5784644A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112470358A (zh) * | 2018-07-27 | 2021-03-09 | 日新电机株式会社 | 电源系统 |
Also Published As
Publication number | Publication date |
---|---|
JPS6338131B2 (enrdf_load_html_response) | 1988-07-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57107664A (en) | Electronic button telephone set | |
JPS56131253A (en) | Signal circuit capable of connecting subscriber line of communication exchange system | |
JPS5784644A (en) | Detection system of transmission line termination state | |
JPS57125550A (en) | Data collecting system | |
JPS56112156A (en) | Loop communication system | |
JPS5742248A (en) | Switching device for communication system | |
JPS5783951A (en) | Audio response modulator and demodulator | |
JPS5279815A (en) | Transmitting and receiving circuit | |
JPS54104710A (en) | Information transmission system | |
JPS5451702A (en) | Automatic power supply cut-off circuit | |
JPS5476032A (en) | Communication control system | |
JPS56132036A (en) | Confirmation system for operating equipment of terminal station | |
JPS5624848A (en) | Communication control device | |
JPS53133316A (en) | Urgent interruption communication system | |
JPS53138612A (en) | Trunk connection control system | |
JPS6449335A (en) | System fault supervising system | |
JPS5758439A (en) | Data transmission device | |
JPS5381003A (en) | In-band signal system | |
JPS5689148A (en) | Radio device of switching without instantaneous break | |
JPS5628553A (en) | Data transmission system | |
JPS57194658A (en) | Guard terminal device | |
JPS5577251A (en) | Time-division multi-directional multiplex transmission system | |
JPS56165434A (en) | Transmitting system for movement information of travelling object | |
JPS5781758A (en) | Signal transmitting system of switchboard | |
JPS6449454A (en) | Multidrop communication system |