JPS6248411B2 - - Google Patents

Info

Publication number
JPS6248411B2
JPS6248411B2 JP340882A JP340882A JPS6248411B2 JP S6248411 B2 JPS6248411 B2 JP S6248411B2 JP 340882 A JP340882 A JP 340882A JP 340882 A JP340882 A JP 340882A JP S6248411 B2 JPS6248411 B2 JP S6248411B2
Authority
JP
Japan
Prior art keywords
monitoring
centralized
information processing
monitoring device
section
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.)
Expired
Application number
JP340882A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58121839A (ja
Inventor
Masanobu Takahashi
Yutaka Ikeda
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP57003408A priority Critical patent/JPS58121839A/ja
Publication of JPS58121839A publication Critical patent/JPS58121839A/ja
Publication of JPS6248411B2 publication Critical patent/JPS6248411B2/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
    • 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)
  • Alarm Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Selective Calling Equipment (AREA)
JP57003408A 1982-01-14 1982-01-14 監視装置制御方式 Granted JPS58121839A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57003408A JPS58121839A (ja) 1982-01-14 1982-01-14 監視装置制御方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57003408A JPS58121839A (ja) 1982-01-14 1982-01-14 監視装置制御方式

Publications (2)

Publication Number Publication Date
JPS58121839A JPS58121839A (ja) 1983-07-20
JPS6248411B2 true JPS6248411B2 (en]) 1987-10-14

Family

ID=11556550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57003408A Granted JPS58121839A (ja) 1982-01-14 1982-01-14 監視装置制御方式

Country Status (1)

Country Link
JP (1) JPS58121839A (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0640629B2 (ja) * 1986-10-17 1994-05-25 株式会社リクル−ト ディジタル回線終端ユニット監視装置

Also Published As

Publication number Publication date
JPS58121839A (ja) 1983-07-20

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