JPH0431861U - - Google Patents

Info

Publication number
JPH0431861U
JPH0431861U JP7229290U JP7229290U JPH0431861U JP H0431861 U JPH0431861 U JP H0431861U JP 7229290 U JP7229290 U JP 7229290U JP 7229290 U JP7229290 U JP 7229290U JP H0431861 U JPH0431861 U JP H0431861U
Authority
JP
Japan
Prior art keywords
main device
telephone
line
module jacks
module
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.)
Granted
Application number
JP7229290U
Other languages
English (en)
Japanese (ja)
Other versions
JP2521616Y2 (ja
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 filed Critical
Priority to JP7229290U priority Critical patent/JP2521616Y2/ja
Publication of JPH0431861U publication Critical patent/JPH0431861U/ja
Application granted granted Critical
Publication of JP2521616Y2 publication Critical patent/JP2521616Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP7229290U 1990-07-09 1990-07-09 システム電話装置の故障判定器 Expired - Lifetime JP2521616Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7229290U JP2521616Y2 (ja) 1990-07-09 1990-07-09 システム電話装置の故障判定器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7229290U JP2521616Y2 (ja) 1990-07-09 1990-07-09 システム電話装置の故障判定器

Publications (2)

Publication Number Publication Date
JPH0431861U true JPH0431861U (enrdf_load_stackoverflow) 1992-03-16
JP2521616Y2 JP2521616Y2 (ja) 1996-12-25

Family

ID=31610105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7229290U Expired - Lifetime JP2521616Y2 (ja) 1990-07-09 1990-07-09 システム電話装置の故障判定器

Country Status (1)

Country Link
JP (1) JP2521616Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JP2521616Y2 (ja) 1996-12-25

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term