JPS5374824A - Multiplying device - Google Patents

Multiplying device

Info

Publication number
JPS5374824A
JPS5374824A JP15122376A JP15122376A JPS5374824A JP S5374824 A JPS5374824 A JP S5374824A JP 15122376 A JP15122376 A JP 15122376A JP 15122376 A JP15122376 A JP 15122376A JP S5374824 A JPS5374824 A JP S5374824A
Authority
JP
Japan
Prior art keywords
multiplying device
channel
sevice
cutoff
multiplication
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
JP15122376A
Other languages
Japanese (ja)
Inventor
Hiromi Chatani
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
NEC Corp
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP15122376A priority Critical patent/JPS5374824A/en
Publication of JPS5374824A publication Critical patent/JPS5374824A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

PURPOSE:To ensure a quick removal of the sevice cutoff for all channels by detecting the faulty channel through scanning of the switch circuit provided at the output part for the purpose of multiplication of each channel board.
JP15122376A 1976-12-15 1976-12-15 Multiplying device Pending JPS5374824A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15122376A JPS5374824A (en) 1976-12-15 1976-12-15 Multiplying device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15122376A JPS5374824A (en) 1976-12-15 1976-12-15 Multiplying device

Publications (1)

Publication Number Publication Date
JPS5374824A true JPS5374824A (en) 1978-07-03

Family

ID=15513927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15122376A Pending JPS5374824A (en) 1976-12-15 1976-12-15 Multiplying device

Country Status (1)

Country Link
JP (1) JPS5374824A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63228833A (en) * 1987-03-18 1988-09-22 Nec Corp Multiplexer circuit
JPH01140827A (en) * 1987-11-27 1989-06-02 Nec Corp Digital subscriber line carrier system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63228833A (en) * 1987-03-18 1988-09-22 Nec Corp Multiplexer circuit
JPH01140827A (en) * 1987-11-27 1989-06-02 Nec Corp Digital subscriber line carrier system

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