JPH0644205Y2 - Ｉｓｄｎ回線試験器 - Google Patents

Ｉｓｄｎ回線試験器

Info

Publication number
JPH0644205Y2
JPH0644205Y2 JP1989127082U JP12708289U JPH0644205Y2 JP H0644205 Y2 JPH0644205 Y2 JP H0644205Y2 JP 1989127082 U JP1989127082 U JP 1989127082U JP 12708289 U JP12708289 U JP 12708289U JP H0644205 Y2 JPH0644205 Y2 JP H0644205Y2
Authority
JP
Japan
Prior art keywords
interface
circuit
test
isdn
synchronization
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 - Lifetime
Application number
JP1989127082U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0365348U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
安男 林
秀信 高橋
隆 滝川
Original Assignee
日本電気システム建設株式会社
安藤電気株式会社
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 日本電気システム建設株式会社, 安藤電気株式会社 filed Critical 日本電気システム建設株式会社
Priority to JP1989127082U priority Critical patent/JPH0644205Y2/ja
Publication of JPH0365348U publication Critical patent/JPH0365348U/ja
Application granted granted Critical
Publication of JPH0644205Y2 publication Critical patent/JPH0644205Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP1989127082U 1989-10-30 1989-10-30 Ｉｓｄｎ回線試験器 Expired - Lifetime JPH0644205Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989127082U JPH0644205Y2 (ja) 1989-10-30 1989-10-30 Ｉｓｄｎ回線試験器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989127082U JPH0644205Y2 (ja) 1989-10-30 1989-10-30 Ｉｓｄｎ回線試験器

Publications (2)

Publication Number Publication Date
JPH0365348U JPH0365348U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-25
JPH0644205Y2 true JPH0644205Y2 (ja) 1994-11-14

Family

ID=31674865

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989127082U Expired - Lifetime JPH0644205Y2 (ja) 1989-10-30 1989-10-30 Ｉｓｄｎ回線試験器

Country Status (1)

Country Link
JP (1) JPH0644205Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63276949A (ja) * 1987-04-03 1988-11-15 Nec Corp 加入者回線試験装置
JPS63305651A (ja) * 1987-06-08 1988-12-13 Nec Corp Ｉｓｄｎ交換機のル−プ・バック試験装置
JPH01245649A (ja) * 1988-03-25 1989-09-29 Nec Corp ディジタル加入者ライン試験装置

Also Published As

Publication number Publication date
JPH0365348U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-25

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