JPS5521628A - Selection system for make busy in two unit stations - Google Patents

Selection system for make busy in two unit stations

Info

Publication number
JPS5521628A
JPS5521628A JP9453678A JP9453678A JPS5521628A JP S5521628 A JPS5521628 A JP S5521628A JP 9453678 A JP9453678 A JP 9453678A JP 9453678 A JP9453678 A JP 9453678A JP S5521628 A JPS5521628 A JP S5521628A
Authority
JP
Japan
Prior art keywords
unit
actcom
ict
treu
side exchanger
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
JP9453678A
Other languages
Japanese (ja)
Inventor
Naohiro Kimura
Toshio Tanaka
Toshiaki Chikatsu
Ken Ito
Hideo Kawakatsu
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
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 Fujitsu Ltd, Hitachi Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP9453678A priority Critical patent/JPS5521628A/en
Publication of JPS5521628A publication Critical patent/JPS5521628A/en
Pending 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

PURPOSE:To realize the make busy selection system for two unit stations in low cost, by using the ACTCOM and the adaptor unit (TREU) simplified than the constitution of conventional automatic concentrated test unit (ACTCOM). CONSTITUTION:To conduct the test related to the incoming trunk (ICT) at the B side exchanger and the incoming register (IR) to ACTCOM from the external unit, when the additional unit selection information reception relay UH is driven for the selection of the ICT busy monitor circuit, ACTCOM delivers ground to the leads corresponding to the incoming register link IRL number and ICT number fed from the external unit to TREU to draw in the leads of the tested unit of B side exchanger and various tests are conducted by connecting ICT with IR. In case of various tests at the A side exchanger, TREU has no relation.
JP9453678A 1978-08-04 1978-08-04 Selection system for make busy in two unit stations Pending JPS5521628A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9453678A JPS5521628A (en) 1978-08-04 1978-08-04 Selection system for make busy in two unit stations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9453678A JPS5521628A (en) 1978-08-04 1978-08-04 Selection system for make busy in two unit stations

Publications (1)

Publication Number Publication Date
JPS5521628A true JPS5521628A (en) 1980-02-15

Family

ID=14113041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9453678A Pending JPS5521628A (en) 1978-08-04 1978-08-04 Selection system for make busy in two unit stations

Country Status (1)

Country Link
JP (1) JPS5521628A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5111515A (en) * 1974-07-19 1976-01-29 Sanyo Electric Co

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5111515A (en) * 1974-07-19 1976-01-29 Sanyo Electric Co

Similar Documents

Publication Publication Date Title
JPS55105452A (en) Monitor system for optical repeater
JPS5521628A (en) Selection system for make busy in two unit stations
JPS522133A (en) Connecting test control system in data communication system
JPS5452905A (en) Data communication monitor
JPS55158765A (en) Test method for subscriber circuit
JPS5679559A (en) Identifying system for subscriber cable pair
JPS55136759A (en) Line test system
JPS5437604A (en) Multiple address system
JPS53131705A (en) Automatic telephone exchange system
JPS5230135A (en) Branch unit
JPS54131803A (en) Telephone exchange connection control system
JPS5440021A (en) Multi-port system
JPS5550768A (en) Internal exchange system
JPS51148317A (en) Remote connection control system
JPS53100701A (en) Transmission relay monitor system for optical pcm group
JPS53144204A (en) Transmitting system for optical communication circuit monitor/order signal
JPS54106114A (en) Information transmission system
JPS52123118A (en) Digital communication unit completed into duplicated reducdant circuit
JPS53108703A (en) Data insersion system into common transmission line
JPS53131706A (en) Automatic telephone exchange system
JPS57204953A (en) Automatic setting system for operation mode of control device
JPS5440504A (en) Release signal transmission system
JPS52130224A (en) Control system for incoming trunk test connector
JPS5389307A (en) Test system for communicating line system
JPS5521631A (en) Outgoing sender test system for exchanger