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JPS53125702A - Remote folding system for data highway - Google Patents

Remote folding system for data highway

Info

Publication number
JPS53125702A
JPS53125702A JP4060377A JP4060377A JPS53125702A JP S53125702 A JPS53125702 A JP S53125702A JP 4060377 A JP4060377 A JP 4060377A JP 4060377 A JP4060377 A JP 4060377A JP S53125702 A JPS53125702 A JP S53125702A
Authority
JP
Japan
Prior art keywords
data highway
folding system
remote folding
remote
folding test
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
JP4060377A
Other languages
Japanese (ja)
Inventor
Takeshi Nakano
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4060377A priority Critical patent/JPS53125702A/en
Publication of JPS53125702A publication Critical patent/JPS53125702A/en
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
    • H04L1/24—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)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

PURPOSE:To make efficient and economize the maintenance work, by enabling the folding test at an unattended station with remote control from an attended station through the use of control bits on the data highway for the folding test.
JP4060377A 1977-04-08 1977-04-08 Remote folding system for data highway Pending JPS53125702A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4060377A JPS53125702A (en) 1977-04-08 1977-04-08 Remote folding system for data highway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4060377A JPS53125702A (en) 1977-04-08 1977-04-08 Remote folding system for data highway

Publications (1)

Publication Number Publication Date
JPS53125702A true JPS53125702A (en) 1978-11-02

Family

ID=12585081

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4060377A Pending JPS53125702A (en) 1977-04-08 1977-04-08 Remote folding system for data highway

Country Status (1)

Country Link
JP (1) JPS53125702A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5567264A (en) * 1978-11-16 1980-05-21 Nippon Telegr & Teleph Corp <Ntt> Folded switching system of time division exchange
US4446551A (en) * 1980-10-09 1984-05-01 Kabushiki Kaisha Meidensha Data highway system with dual transmitting loop lines

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5567264A (en) * 1978-11-16 1980-05-21 Nippon Telegr & Teleph Corp <Ntt> Folded switching system of time division exchange
JPS5822894B2 (en) * 1978-11-16 1983-05-12 日本電信電話株式会社 Foldback switching method of time division switch
US4446551A (en) * 1980-10-09 1984-05-01 Kabushiki Kaisha Meidensha Data highway system with dual transmitting loop lines

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