JPS5744348A - Communication circuit inspection system - Google Patents
Communication circuit inspection systemInfo
- Publication number
- JPS5744348A JPS5744348A JP55118474A JP11847480A JPS5744348A JP S5744348 A JPS5744348 A JP S5744348A JP 55118474 A JP55118474 A JP 55118474A JP 11847480 A JP11847480 A JP 11847480A JP S5744348 A JPS5744348 A JP S5744348A
- Authority
- JP
- Japan
- Prior art keywords
- base station
- radio base
- channel
- exchange
- signal
- 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
- Monitoring And Testing Of Transmission In General (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
PURPOSE:To save labor and to detect a fault in the form of a transmission in-use state, by automatically inspecting each communication circuit line by selecting a channel from a central base station. CONSTITUTION:An antenna signal is sent from a car telephone exchange 7 to K radio base stations Si-Si+k-1 to make their channels usable. Then, (i)s is base stations Si-Si+k-1 are varied from 1 to (n) to change usable channels successively and one of the remaining channels is regarded as a channel to be tested to send a control signal for circuit connection from the exchange 7 to a radio base station 5 in charge of the channel. Consequently, an artificial mobile station 1 and the exchange 7 are connected mutually through the radio base station 5. Then, the radio base station 5 sends a control signal to the artificial mobile station 1, which sends the same signal, as it is, to the car telephone exchange 7 through the radio base station 5 as a circuit monitoring signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55118474A JPS5744348A (en) | 1980-08-29 | 1980-08-29 | Communication circuit inspection system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55118474A JPS5744348A (en) | 1980-08-29 | 1980-08-29 | Communication circuit inspection system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5744348A true JPS5744348A (en) | 1982-03-12 |
Family
ID=14737561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55118474A Pending JPS5744348A (en) | 1980-08-29 | 1980-08-29 | Communication circuit inspection system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5744348A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59139737A (en) * | 1983-01-31 | 1984-08-10 | Anritsu Corp | Signal generator |
-
1980
- 1980-08-29 JP JP55118474A patent/JPS5744348A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59139737A (en) * | 1983-01-31 | 1984-08-10 | Anritsu Corp | Signal generator |
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