JPS5372514A - Fault detector of repeater - Google Patents
Fault detector of repeaterInfo
- Publication number
- JPS5372514A JPS5372514A JP14903876A JP14903876A JPS5372514A JP S5372514 A JPS5372514 A JP S5372514A JP 14903876 A JP14903876 A JP 14903876A JP 14903876 A JP14903876 A JP 14903876A JP S5372514 A JPS5372514 A JP S5372514A
- Authority
- JP
- Japan
- Prior art keywords
- repeater
- fault detector
- pilot signal
- eliminate
- monitoring
- 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
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Abstract
PURPOSE:To use only one kind of pilot signal which is sent from the terminal station by monitoring the pilot signal state for each repeater, and thus to eliminate the distortion caused by the pilot signal even in case the number of the repeater is large.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14903876A JPS5372514A (en) | 1976-12-10 | 1976-12-10 | Fault detector of repeater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14903876A JPS5372514A (en) | 1976-12-10 | 1976-12-10 | Fault detector of repeater |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5372514A true JPS5372514A (en) | 1978-06-28 |
JPS5742252B2 JPS5742252B2 (en) | 1982-09-08 |
Family
ID=15466288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14903876A Granted JPS5372514A (en) | 1976-12-10 | 1976-12-10 | Fault detector of repeater |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5372514A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5184242A (en) * | 1989-12-15 | 1993-02-02 | Nec Corporation | Supervisory circuit for optical repeater |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6069870U (en) * | 1983-10-19 | 1985-05-17 | 愛知機械工業株式会社 | Patchkin presser metal fittings |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52114209A (en) * | 1976-03-22 | 1977-09-24 | Maspro Denko Kk | Device for monitoring operating state of line amplifier |
-
1976
- 1976-12-10 JP JP14903876A patent/JPS5372514A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52114209A (en) * | 1976-03-22 | 1977-09-24 | Maspro Denko Kk | Device for monitoring operating state of line amplifier |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5184242A (en) * | 1989-12-15 | 1993-02-02 | Nec Corporation | Supervisory circuit for optical repeater |
Also Published As
Publication number | Publication date |
---|---|
JPS5742252B2 (en) | 1982-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5372514A (en) | Fault detector of repeater | |
JPS52124810A (en) | Information transmission | |
JPS5350607A (en) | Loop communication system | |
JPS53128904A (en) | Data communication device | |
JPS5376798A (en) | Receiver of fire alarm system | |
JPS5422112A (en) | Automatic switching system for receiving signal | |
JPS5373019A (en) | Signal detection system | |
JPS52155904A (en) | Response confirming system for simultaneous information | |
JPS5332602A (en) | Connection test system in mobile communication | |
JPS5378709A (en) | Fault monitoring system | |
JPS5228210A (en) | Loop data transmission system | |
JPS5310214A (en) | Fault test system for tdma terminal station transmitter | |
JPS5398710A (en) | Folded test control system for circuit | |
JPS5276805A (en) | Telephone service system | |
JPS52123118A (en) | Digital communication unit completed into duplicated reducdant circuit | |
JPS52146104A (en) | Line monitoring system | |
JPS51114583A (en) | Equipment state indicator | |
JPS53918A (en) | Failure detection system in repeater | |
JPS5437621A (en) | Fault repeater locating system | |
JPS5234611A (en) | Communication system and its equipment | |
JPS5347221A (en) | Gain monitoring system for relay amplifier | |
JPS543401A (en) | State monitor system for mobile station | |
JPS5384546A (en) | Antenna unit with test terminal | |
JPS52107706A (en) | Bypass switching system | |
JPS53100701A (en) | Transmission relay monitor system for optical pcm group |