JPS5335403A - Control system for terminal connection - Google Patents

Control system for terminal connection

Info

Publication number
JPS5335403A
JPS5335403A JP10939476A JP10939476A JPS5335403A JP S5335403 A JPS5335403 A JP S5335403A JP 10939476 A JP10939476 A JP 10939476A JP 10939476 A JP10939476 A JP 10939476A JP S5335403 A JPS5335403 A JP S5335403A
Authority
JP
Japan
Prior art keywords
control system
terminal connection
line
connection
confirmation
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
JP10939476A
Other languages
Japanese (ja)
Inventor
Tomihisa Nishijima
Susumu Obara
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 JP10939476A priority Critical patent/JPS5335403A/en
Publication of JPS5335403A publication Critical patent/JPS5335403A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)

Abstract

PURPOSE:To obtain a system applicable also to the line in which DC is not passed as the data transmission line in telephone exchanges and suitable for the confirmation of connection for the data transfer line with high speed.
JP10939476A 1976-09-14 1976-09-14 Control system for terminal connection Pending JPS5335403A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10939476A JPS5335403A (en) 1976-09-14 1976-09-14 Control system for terminal connection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10939476A JPS5335403A (en) 1976-09-14 1976-09-14 Control system for terminal connection

Publications (1)

Publication Number Publication Date
JPS5335403A true JPS5335403A (en) 1978-04-01

Family

ID=14509117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10939476A Pending JPS5335403A (en) 1976-09-14 1976-09-14 Control system for terminal connection

Country Status (1)

Country Link
JP (1) JPS5335403A (en)

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