JPH0140542B2 - - Google Patents

Info

Publication number
JPH0140542B2
JPH0140542B2 JP959483A JP959483A JPH0140542B2 JP H0140542 B2 JPH0140542 B2 JP H0140542B2 JP 959483 A JP959483 A JP 959483A JP 959483 A JP959483 A JP 959483A JP H0140542 B2 JPH0140542 B2 JP H0140542B2
Authority
JP
Japan
Prior art keywords
test
subscriber
trunk
connection
call
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.)
Expired
Application number
JP959483A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59134956A (ja
Inventor
Hiroshi Sato
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP959483A priority Critical patent/JPS59134956A/ja
Publication of JPS59134956A publication Critical patent/JPS59134956A/ja
Publication of JPH0140542B2 publication Critical patent/JPH0140542B2/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
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
    • H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
    • H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP959483A 1983-01-24 1983-01-24 加入者線試験接続方式 Granted JPS59134956A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP959483A JPS59134956A (ja) 1983-01-24 1983-01-24 加入者線試験接続方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP959483A JPS59134956A (ja) 1983-01-24 1983-01-24 加入者線試験接続方式

Publications (2)

Publication Number Publication Date
JPS59134956A JPS59134956A (ja) 1984-08-02
JPH0140542B2 true JPH0140542B2 (enrdf_load_stackoverflow) 1989-08-29

Family

ID=11724650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP959483A Granted JPS59134956A (ja) 1983-01-24 1983-01-24 加入者線試験接続方式

Country Status (1)

Country Link
JP (1) JPS59134956A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS59134956A (ja) 1984-08-02

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