JPS6248937B2 - - Google Patents

Info

Publication number
JPS6248937B2
JPS6248937B2 JP55037090A JP3709080A JPS6248937B2 JP S6248937 B2 JPS6248937 B2 JP S6248937B2 JP 55037090 A JP55037090 A JP 55037090A JP 3709080 A JP3709080 A JP 3709080A JP S6248937 B2 JPS6248937 B2 JP S6248937B2
Authority
JP
Japan
Prior art keywords
terminal
data
exchange
communication
specific bit
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
JP55037090A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56132843A (en
Inventor
Takashi Akao
Shuji Tomita
Yukio Hiramatsu
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.)
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
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 Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP3709080A priority Critical patent/JPS56132843A/ja
Publication of JPS56132843A publication Critical patent/JPS56132843A/ja
Publication of JPS6248937B2 publication Critical patent/JPS6248937B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks

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)
JP3709080A 1980-03-24 1980-03-24 Subscriber's line signal system Granted JPS56132843A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3709080A JPS56132843A (en) 1980-03-24 1980-03-24 Subscriber's line signal system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3709080A JPS56132843A (en) 1980-03-24 1980-03-24 Subscriber's line signal system

Publications (2)

Publication Number Publication Date
JPS56132843A JPS56132843A (en) 1981-10-17
JPS6248937B2 true JPS6248937B2 (en]) 1987-10-16

Family

ID=12487855

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3709080A Granted JPS56132843A (en) 1980-03-24 1980-03-24 Subscriber's line signal system

Country Status (1)

Country Link
JP (1) JPS56132843A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH021630U (en]) * 1988-06-15 1990-01-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH021630U (en]) * 1988-06-15 1990-01-08

Also Published As

Publication number Publication date
JPS56132843A (en) 1981-10-17

Similar Documents

Publication Publication Date Title
US4746986A (en) Manifold analog/digital facsimile apparatus
DE69423870T2 (de) Faksimiledienst in einem hf-nachrichtensystem
JPS61260727A (ja) 無線伝送系
US4766594A (en) Digital network system having arrangement for testing digital subscriber line
US5216519A (en) Echo protection tone detection and regeneration for digital transmission of facsimile calls
EP0334669A3 (en) Method of and apparatus for facsimile communications
US6009305A (en) Digital video signal multiplex transmission system
JPS6248937B2 (en])
EP0686337B1 (en) Handover in a digital cordless telephone system
JPS54116802A (en) Privacy communication system
JP3244721B2 (ja) 交換システム
JPS6156659B2 (en])
JP2576655B2 (ja) 時分割方向制御伝送装置
JPH0478066B2 (en])
JPH088587B2 (ja) 移動通信パケット交換システム
KR970000393B1 (ko) 디지탈 전화 시스템의 선로 정합 회로
JPS6121662A (ja) 帯域可変通信方式
JPS639720B2 (en])
JP3243267B2 (ja) Ｉｓｄｎデータ端末装置
US3092690A (en) High speed data transmission system
JP2542452B2 (ja) コ―ドレス電話装置
JPH0542864B2 (en])
JPH03296347A (ja) データ伝送装置
JPS63312736A (ja) ダイヤル信号伝送方式
JPH04269042A (ja) モデムにおけるデータ伝送方式