JPS6221475B2 - - Google Patents

Info

Publication number
JPS6221475B2
JPS6221475B2 JP5128080A JP5128080A JPS6221475B2 JP S6221475 B2 JPS6221475 B2 JP S6221475B2 JP 5128080 A JP5128080 A JP 5128080A JP 5128080 A JP5128080 A JP 5128080A JP S6221475 B2 JPS6221475 B2 JP S6221475B2
Authority
JP
Japan
Prior art keywords
digital
circuit
pcm
subscriber
circuits
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
JP5128080A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56147593A (en
Inventor
Kaoru Yano
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 JP5128080A priority Critical patent/JPS56147593A/ja
Publication of JPS56147593A publication Critical patent/JPS56147593A/ja
Publication of JPS6221475B2 publication Critical patent/JPS6221475B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0407Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP5128080A 1980-04-17 1980-04-17 Carrier system for digital subscriber line Granted JPS56147593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5128080A JPS56147593A (en) 1980-04-17 1980-04-17 Carrier system for digital subscriber line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5128080A JPS56147593A (en) 1980-04-17 1980-04-17 Carrier system for digital subscriber line

Publications (2)

Publication Number Publication Date
JPS56147593A JPS56147593A (en) 1981-11-16
JPS6221475B2 true JPS6221475B2 (ko) 1987-05-13

Family

ID=12882522

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5128080A Granted JPS56147593A (en) 1980-04-17 1980-04-17 Carrier system for digital subscriber line

Country Status (1)

Country Link
JP (1) JPS56147593A (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0785592B2 (ja) * 1989-01-27 1995-09-13 富士通株式会社 交換機におけるデータ線切替方式

Also Published As

Publication number Publication date
JPS56147593A (en) 1981-11-16

Similar Documents

Publication Publication Date Title
US5574783A (en) System and method for providing competitive access telephone service for telephones connected to a remote terminal of the monopoly service provider
CA1319411C (en) Switching system reliability
US4567586A (en) Service integrated digital transmission system
JPS6221475B2 (ko)
JPS6228915B2 (ko)
JPH01238234A (ja) 回線バックアップ方式
JPH0319598A (ja) 通信交換システム
JPH0575736A (ja) 高速デジタル専用線終端装置
JPS6256061A (ja) 局間共通線信号方式における通話路導通試験方法
JPH0342930A (ja) 回線切り替え装置
JPS5854710B2 (ja) ダイヤル情報転送方式
JP2998452B2 (ja) 構内交換機の迂回方式
JPS62216453A (ja) 中継接続方式
JPS6366101B2 (ko)
JPS59105724A (ja) デ−タ回線バツクアツプ装置
JPH0439247B2 (ko)
JPH0530547A (ja) 障害加入者カードの自動切替方式
JPS6121665A (ja) トランク回路
JPH0342951A (ja) 加入者線中継装置保守方式
JPS59211397A (ja) 遠隔集線装置制御方式
JPH01254037A (ja) 局間ディジタルデータ通信方式
JPS61273042A (ja) ロ−カルエリアネツトワ−ク制御方式
JPH04332241A (ja) Isdnにおける障害時自動切替方式
JPS62252220A (ja) 通信サ−ビス方法
JPH01170196A (ja) 交換機と集線装置との間の通信制御方式

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term