JPH0378021B2 - - Google Patents
Info
- Publication number
- JPH0378021B2 JPH0378021B2 JP59096661A JP9666184A JPH0378021B2 JP H0378021 B2 JPH0378021 B2 JP H0378021B2 JP 59096661 A JP59096661 A JP 59096661A JP 9666184 A JP9666184 A JP 9666184A JP H0378021 B2 JPH0378021 B2 JP H0378021B2
- Authority
- JP
- Japan
- Prior art keywords
- repeater
- signal
- control command
- transmission
- optical
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/401—Monitoring; Testing of relay systems with selective localization
- H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
- H04B17/405—Monitoring; Testing of relay systems with selective localization using different frequencies generated by local multipliers, dividers, modulators
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Dc Digital Transmission (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59096661A JPS60241350A (ja) | 1984-05-16 | 1984-05-16 | 光中継器監視方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59096661A JPS60241350A (ja) | 1984-05-16 | 1984-05-16 | 光中継器監視方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60241350A JPS60241350A (ja) | 1985-11-30 |
JPH0378021B2 true JPH0378021B2 (enrdf_load_stackoverflow) | 1991-12-12 |
Family
ID=14171001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59096661A Granted JPS60241350A (ja) | 1984-05-16 | 1984-05-16 | 光中継器監視方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60241350A (enrdf_load_stackoverflow) |
-
1984
- 1984-05-16 JP JP59096661A patent/JPS60241350A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60241350A (ja) | 1985-11-30 |
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