JPS5514716A - Remote test system for data transmission system - Google Patents

Remote test system for data transmission system

Info

Publication number
JPS5514716A
JPS5514716A JP8696878A JP8696878A JPS5514716A JP S5514716 A JPS5514716 A JP S5514716A JP 8696878 A JP8696878 A JP 8696878A JP 8696878 A JP8696878 A JP 8696878A JP S5514716 A JPS5514716 A JP S5514716A
Authority
JP
Japan
Prior art keywords
circuit
test data
modem7
station
memory
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
Application number
JP8696878A
Other languages
English (en)
Inventor
Yasuhei Kurokawa
Katsuhiko Shimizu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP8696878A priority Critical patent/JPS5514716A/ja
Publication of JPS5514716A publication Critical patent/JPS5514716A/ja
Pending legal-status Critical Current

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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/14—Arrangements for detecting or preventing errors in the information received by using return channel in which the signals are sent back to the transmitter to be checked ; echo systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
JP8696878A 1978-07-17 1978-07-17 Remote test system for data transmission system Pending JPS5514716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8696878A JPS5514716A (en) 1978-07-17 1978-07-17 Remote test system for data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8696878A JPS5514716A (en) 1978-07-17 1978-07-17 Remote test system for data transmission system

Publications (1)

Publication Number Publication Date
JPS5514716A true JPS5514716A (en) 1980-02-01

Family

ID=13901663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8696878A Pending JPS5514716A (en) 1978-07-17 1978-07-17 Remote test system for data transmission system

Country Status (1)

Country Link
JP (1) JPS5514716A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58168355A (ja) * 1982-03-29 1983-10-04 Fujitsu Ltd 回線装置の試験方式
JPS61222333A (ja) * 1985-03-12 1986-10-02 Fujitsu Ltd データ伝送装置
JPS62241452A (ja) * 1986-04-14 1987-10-22 Oki Electric Ind Co Ltd 回線試験方式
JPH02122754A (ja) * 1988-10-31 1990-05-10 Nec Corp 通信回線切替方式
US8299143B2 (en) 2006-09-04 2012-10-30 Sakura Color Products Corporation Crayon and process for producing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974802A (ja) * 1972-11-18 1974-07-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4974802A (ja) * 1972-11-18 1974-07-19

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58168355A (ja) * 1982-03-29 1983-10-04 Fujitsu Ltd 回線装置の試験方式
JPS61222333A (ja) * 1985-03-12 1986-10-02 Fujitsu Ltd データ伝送装置
JPH054869B2 (ja) * 1985-03-12 1993-01-21 Fujitsu Ltd
JPS62241452A (ja) * 1986-04-14 1987-10-22 Oki Electric Ind Co Ltd 回線試験方式
JPH02122754A (ja) * 1988-10-31 1990-05-10 Nec Corp 通信回線切替方式
US8299143B2 (en) 2006-09-04 2012-10-30 Sakura Color Products Corporation Crayon and process for producing the same

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