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JPS5387615A - Line trouble detection system - Google Patents

Line trouble detection system

Info

Publication number
JPS5387615A
JPS5387615A JP150177A JP150177A JPS5387615A JP S5387615 A JPS5387615 A JP S5387615A JP 150177 A JP150177 A JP 150177A JP 150177 A JP150177 A JP 150177A JP S5387615 A JPS5387615 A JP S5387615A
Authority
JP
Japan
Prior art keywords
detection system
trouble detection
line trouble
line
timing
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.)
Granted
Application number
JP150177A
Other languages
Japanese (ja)
Other versions
JPS5741867B2 (en
Inventor
Fumio Matsuyama
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP150177A priority Critical patent/JPS5387615A/en
Publication of JPS5387615A publication Critical patent/JPS5387615A/en
Publication of JPS5741867B2 publication Critical patent/JPS5741867B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Maintenance And Management Of Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Communication Control (AREA)

Abstract

PURPOSE: To maintain the timing between transmission data and receiving data even if signals from a terminal equipment are interrupted by fetching data on the line in the processing unit while matching to the transmission speed of the trouble occurrence line by the timing from MODEM.
COPYRIGHT: (C)1978,JPO&Japio
JP150177A 1977-01-12 1977-01-12 Line trouble detection system Granted JPS5387615A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP150177A JPS5387615A (en) 1977-01-12 1977-01-12 Line trouble detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP150177A JPS5387615A (en) 1977-01-12 1977-01-12 Line trouble detection system

Publications (2)

Publication Number Publication Date
JPS5387615A true JPS5387615A (en) 1978-08-02
JPS5741867B2 JPS5741867B2 (en) 1982-09-06

Family

ID=11503201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP150177A Granted JPS5387615A (en) 1977-01-12 1977-01-12 Line trouble detection system

Country Status (1)

Country Link
JP (1) JPS5387615A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5680735A (en) * 1979-12-06 1981-07-02 Fujitsu Ltd Line monitor control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5680735A (en) * 1979-12-06 1981-07-02 Fujitsu Ltd Line monitor control system

Also Published As

Publication number Publication date
JPS5741867B2 (en) 1982-09-06

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