JPS5547793A - Junctor replacement system - Google Patents

Junctor replacement system

Info

Publication number
JPS5547793A
JPS5547793A JP11596578A JP11596578A JPS5547793A JP S5547793 A JPS5547793 A JP S5547793A JP 11596578 A JP11596578 A JP 11596578A JP 11596578 A JP11596578 A JP 11596578A JP S5547793 A JPS5547793 A JP S5547793A
Authority
JP
Japan
Prior art keywords
switch
junctor
replacement
space division
existing
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
JP11596578A
Other languages
Japanese (ja)
Inventor
Toshinobu Egashira
Fumiaki Ushida
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.)
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
Original Assignee
Nippon Telegraph and Telephone Corp
Oki Electric Industry 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 Telegraph and Telephone Corp, Oki Electric Industry Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP11596578A priority Critical patent/JPS5547793A/en
Publication of JPS5547793A publication Critical patent/JPS5547793A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To make easy replacement, by performing junctor replacement to the space division switch for spare system, and after replacement of exising system and spare system through the parallel running with existing system space division switch, by replacing junctor of existing system.
CONSTITUTION: The time sharing switch 3 is connected to the existing space division switch 1 and the spare system space division switch 2 via the selection switch 4. Further, the extension time sharing switch 5 and the selector switch 6 are placed respectively to the switches 1 and 2 so that the switch 2 can be used by the switch 6. After the junctor of the switch 2 is replaced with the network extension, the test for the junctor is made by using the switch 5. After the end of test, the selection and release of communication path for call from the switch 3 is made parallelly from the both of the switches 1 and 2. The switch 4 is selected and the switch 3 is operated by using the switch 2 finishing the replacement newly to perform the replacement of the junctor of the switch 1.
COPYRIGHT: (C)1980,JPO&Japio
JP11596578A 1978-09-22 1978-09-22 Junctor replacement system Pending JPS5547793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11596578A JPS5547793A (en) 1978-09-22 1978-09-22 Junctor replacement system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11596578A JPS5547793A (en) 1978-09-22 1978-09-22 Junctor replacement system

Publications (1)

Publication Number Publication Date
JPS5547793A true JPS5547793A (en) 1980-04-04

Family

ID=14675513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11596578A Pending JPS5547793A (en) 1978-09-22 1978-09-22 Junctor replacement system

Country Status (1)

Country Link
JP (1) JPS5547793A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03220996A (en) * 1990-01-26 1991-09-30 Fujitsu Ltd Shelf extending method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03220996A (en) * 1990-01-26 1991-09-30 Fujitsu Ltd Shelf extending method

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