JPS57208758A - Test system - Google Patents

Test system

Info

Publication number
JPS57208758A
JPS57208758A JP9415581A JP9415581A JPS57208758A JP S57208758 A JPS57208758 A JP S57208758A JP 9415581 A JP9415581 A JP 9415581A JP 9415581 A JP9415581 A JP 9415581A JP S57208758 A JPS57208758 A JP S57208758A
Authority
JP
Japan
Prior art keywords
test
exchanger
line
trunk
incoming
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
JP9415581A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0131747B2 (enrdf_load_stackoverflow
Inventor
Hiroshi Saito
Masaaki Ito
Yuichi Kawai
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
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP9415581A priority Critical patent/JPS57208758A/ja
Publication of JPS57208758A publication Critical patent/JPS57208758A/ja
Publication of JPH0131747B2 publication Critical patent/JPH0131747B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP9415581A 1981-06-18 1981-06-18 Test system Granted JPS57208758A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9415581A JPS57208758A (en) 1981-06-18 1981-06-18 Test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9415581A JPS57208758A (en) 1981-06-18 1981-06-18 Test system

Publications (2)

Publication Number Publication Date
JPS57208758A true JPS57208758A (en) 1982-12-21
JPH0131747B2 JPH0131747B2 (enrdf_load_stackoverflow) 1989-06-27

Family

ID=14102482

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9415581A Granted JPS57208758A (en) 1981-06-18 1981-06-18 Test system

Country Status (1)

Country Link
JP (1) JPS57208758A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62110353A (ja) * 1985-07-01 1987-05-21 エイ・ティ・アンド・ティ・コーポレーション デジタルキヤリア施設を介して交換される交換システム加入者回線のプリカツトオ−バ照合方法および装置
WO2008104732A1 (en) 2007-02-28 2008-09-04 British Telecommunications Public Limited Company Access circuit test for transfer engineering

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62110353A (ja) * 1985-07-01 1987-05-21 エイ・ティ・アンド・ティ・コーポレーション デジタルキヤリア施設を介して交換される交換システム加入者回線のプリカツトオ−バ照合方法および装置
WO2008104732A1 (en) 2007-02-28 2008-09-04 British Telecommunications Public Limited Company Access circuit test for transfer engineering
US8320259B2 (en) 2007-02-28 2012-11-27 British Telecommunications Public Limited Company Access circuit test for transfer engineering

Also Published As

Publication number Publication date
JPH0131747B2 (enrdf_load_stackoverflow) 1989-06-27

Similar Documents

Publication Publication Date Title
ES373468A1 (es) Circuito para un sistema de conmutacion telefonica.
JPS57208758A (en) Test system
JPS5745769A (en) Control signal system for subscriber terminal connection
JPS5728493A (en) Automatic incoming system for extension
FI88090B (fi) Foerfarande och krets foer instaellning av programmerbara hybridkretsars utjaemningsimpedans foer abonnentledningen
JPS56147545A (en) Automatic telephone transfer device
JPS5792965A (en) Data communication device
IE37320B1 (en) Improvements in or relating to 4-wire telecommunications networks
JPS57136849A (en) Remote subscriber line testing system
JPS5772458A (en) Conference call device
JPS61281664A (ja) デ−タテレホン端末試験装置
JPS5690661A (en) Two-circuit simultaneous connection and exchange system of key telephone set
ES8502590A1 (es) Un detector de llamada para centralitas privadas con marcacion de entrada directa
JPS5448418A (en) Connection system for communication terminal collation
JPS58188954A (ja) 擬似呼試験方式
JPS56115067A (en) Channel continuity test system
JPS6471259A (en) Private branch telephone exchange
GB1395413A (en) Telecommunications systems
JPS59148495A (ja) 構内交換機と分岐式専用線の接続方式
JPS5750163A (en) Call pickup system
JPS57147360A (en) Testing system for interface part of digital switchboard
JPS55125756A (en) Connection test system for automatic exchanger
JPS56147551A (en) Extension connecting and switching system
JPS5635547A (en) Branch connecting device for car telephone
ES401777A1 (es) Perfeccionamientos en sistemas de comunicacion telefonica en circuito explorador-contador multifuncional.