JPH0433185B2 - - Google Patents
Info
- Publication number
- JPH0433185B2 JPH0433185B2 JP5186185A JP5186185A JPH0433185B2 JP H0433185 B2 JPH0433185 B2 JP H0433185B2 JP 5186185 A JP5186185 A JP 5186185A JP 5186185 A JP5186185 A JP 5186185A JP H0433185 B2 JPH0433185 B2 JP H0433185B2
- Authority
- JP
- Japan
- Prior art keywords
- channel
- control signal
- line
- transmitted
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/301—Circuit arrangements at the subscriber's side of the line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60051861A JPS61239729A (ja) | 1985-03-15 | 1985-03-15 | デイジタル加入者線試験方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60051861A JPS61239729A (ja) | 1985-03-15 | 1985-03-15 | デイジタル加入者線試験方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61239729A JPS61239729A (ja) | 1986-10-25 |
JPH0433185B2 true JPH0433185B2 (en]) | 1992-06-02 |
Family
ID=12898648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60051861A Granted JPS61239729A (ja) | 1985-03-15 | 1985-03-15 | デイジタル加入者線試験方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61239729A (en]) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0583377A (ja) * | 1991-09-25 | 1993-04-02 | Nec Corp | 加入者回線試験方式 |
-
1985
- 1985-03-15 JP JP60051861A patent/JPS61239729A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61239729A (ja) | 1986-10-25 |
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