JPS60192440A - 回線品質監視回路 - Google Patents

回線品質監視回路

Info

Publication number
JPS60192440A
JPS60192440A JP4709084A JP4709084A JPS60192440A JP S60192440 A JPS60192440 A JP S60192440A JP 4709084 A JP4709084 A JP 4709084A JP 4709084 A JP4709084 A JP 4709084A JP S60192440 A JPS60192440 A JP S60192440A
Authority
JP
Japan
Prior art keywords
signal
circuit
control
station
output
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
JP4709084A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0425741B2 (OSRAM
Inventor
Masahiro Nakajima
中嶌　正博
Hiromi Hashimoto
橋本　博巳
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 JP4709084A priority Critical patent/JPS60192440A/ja
Publication of JPS60192440A publication Critical patent/JPS60192440A/ja
Publication of JPH0425741B2 publication Critical patent/JPH0425741B2/ja
Granted 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
JP4709084A 1984-03-14 1984-03-14 回線品質監視回路 Granted JPS60192440A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4709084A JPS60192440A (ja) 1984-03-14 1984-03-14 回線品質監視回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4709084A JPS60192440A (ja) 1984-03-14 1984-03-14 回線品質監視回路

Publications (2)

Publication Number Publication Date
JPS60192440A true JPS60192440A (ja) 1985-09-30
JPH0425741B2 JPH0425741B2 (OSRAM) 1992-05-01

Family

ID=12765482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4709084A Granted JPS60192440A (ja) 1984-03-14 1984-03-14 回線品質監視回路

Country Status (1)

Country Link
JP (1) JPS60192440A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08223253A (ja) * 1995-02-14 1996-08-30 Nec Corp 故障監視検出方式

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53100701A (en) * 1977-02-15 1978-09-02 Fujitsu Ltd Transmission relay monitor system for optical pcm group

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53100701A (en) * 1977-02-15 1978-09-02 Fujitsu Ltd Transmission relay monitor system for optical pcm group

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08223253A (ja) * 1995-02-14 1996-08-30 Nec Corp 故障監視検出方式

Also Published As

Publication number Publication date
JPH0425741B2 (OSRAM) 1992-05-01

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term