JPS5721893B2 - - Google Patents
Info
- Publication number
- JPS5721893B2 JPS5721893B2 JP14396278A JP14396278A JPS5721893B2 JP S5721893 B2 JPS5721893 B2 JP S5721893B2 JP 14396278 A JP14396278 A JP 14396278A JP 14396278 A JP14396278 A JP 14396278A JP S5721893 B2 JPS5721893 B2 JP S5721893B2
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/24—Testing correct operation
- H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
- H04L1/243—Testing correct operation by comparing a transmitted test signal with a locally generated replica at the transmitter, using a loop-back
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14396278A JPS5570153A (en) | 1978-11-21 | 1978-11-21 | Communication control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14396278A JPS5570153A (en) | 1978-11-21 | 1978-11-21 | Communication control unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5570153A JPS5570153A (en) | 1980-05-27 |
| JPS5721893B2 true JPS5721893B2 (en, 2012) | 1982-05-10 |
Family
ID=15351093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14396278A Granted JPS5570153A (en) | 1978-11-21 | 1978-11-21 | Communication control unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5570153A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0386293U (en, 2012) * | 1989-12-21 | 1991-08-30 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6145655A (ja) * | 1984-08-10 | 1986-03-05 | Nec Corp | 通信制御装置 |
-
1978
- 1978-11-21 JP JP14396278A patent/JPS5570153A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0386293U (en, 2012) * | 1989-12-21 | 1991-08-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5570153A (en) | 1980-05-27 |