JPS5758491A - Channel continuity test system for digital exchanger - Google Patents

Channel continuity test system for digital exchanger

Info

Publication number
JPS5758491A
JPS5758491A JP13400780A JP13400780A JPS5758491A JP S5758491 A JPS5758491 A JP S5758491A JP 13400780 A JP13400780 A JP 13400780A JP 13400780 A JP13400780 A JP 13400780A JP S5758491 A JPS5758491 A JP S5758491A
Authority
JP
Japan
Prior art keywords
circuit
digital
signal
channel
continuity test
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
JP13400780A
Other languages
Japanese (ja)
Inventor
Masaharu Ruike
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 JP13400780A priority Critical patent/JPS5758491A/en
Publication of JPS5758491A publication Critical patent/JPS5758491A/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
    • H04M3/24—Arrangements for supervision, monitoring or testing with provision for checking the normal operation
    • H04M3/244—Arrangements for supervision, monitoring or testing with provision for checking the normal operation for multiplex systems

Abstract

PURPOSE:To enable the confirmation of normality of a digital channel section and the continuity test of the entire channel, by providing a digital pattern transmission and detection circuit between a time sharing exchange circuit network and a coder/ decoder of a digital exchanger via a signal insertion and pickup circuit. CONSTITUTION:A signal insertion circuit INS and a signal pickup circuit DRP are provided between a digital exchange network TDSW and a coder/decoder CODEC of a digital exchanger, and a digital pattern transmission circuit D, POSC is connected to the circuit INS. Further, via the circuit DRP, a digital pattern detection circuit P, REC is connected. The pattern signal from a circuit D, POSC1 is detected at a circuit D, REC2 through paths (a), (b). The pattern signal from the circuit D, POSC2 is detected at the circuit D, REC1 through the paths (c), (d). The normality of the channel including a signal distribution scanner SD/SCN and a channel system control section SPC is confirmed, allowing to perform continuity test for the entire channels at the same time.
JP13400780A 1980-09-26 1980-09-26 Channel continuity test system for digital exchanger Pending JPS5758491A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13400780A JPS5758491A (en) 1980-09-26 1980-09-26 Channel continuity test system for digital exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13400780A JPS5758491A (en) 1980-09-26 1980-09-26 Channel continuity test system for digital exchanger

Publications (1)

Publication Number Publication Date
JPS5758491A true JPS5758491A (en) 1982-04-08

Family

ID=15118191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13400780A Pending JPS5758491A (en) 1980-09-26 1980-09-26 Channel continuity test system for digital exchanger

Country Status (1)

Country Link
JP (1) JPS5758491A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61141246A (en) * 1984-12-14 1986-06-28 Hitachi Ltd Channel continuity test method
JPH01151612A (en) * 1987-12-04 1989-06-14 Bridgestone Corp Self-supporting membrane for prevention of pollution spreading

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61141246A (en) * 1984-12-14 1986-06-28 Hitachi Ltd Channel continuity test method
JPH0520020B2 (en) * 1984-12-14 1993-03-18 Hitachi Ltd
JPH01151612A (en) * 1987-12-04 1989-06-14 Bridgestone Corp Self-supporting membrane for prevention of pollution spreading

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