JPH0270534U - - Google Patents

Info

Publication number
JPH0270534U
JPH0270534U JP1988149294U JP14929488U JPH0270534U JP H0270534 U JPH0270534 U JP H0270534U JP 1988149294 U JP1988149294 U JP 1988149294U JP 14929488 U JP14929488 U JP 14929488U JP H0270534 U JPH0270534 U JP H0270534U
Authority
JP
Japan
Prior art keywords
detection circuit
utility
disconnection
scope
communication devices
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
JP1988149294U
Other languages
English (en)
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 JP1988149294U priority Critical patent/JPH0270534U/ja
Publication of JPH0270534U publication Critical patent/JPH0270534U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Maintenance And Management Of Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Dc Digital Transmission (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の一実施例によるインターフ
エイス回線断検出回路の接続回路図、第2図は従
来の装置間の接続回路図、第3図は装置単体での
インターフエイス接続試験回路図である。 図において、3はトランス、4は短絡保護抵抗
である。尚、図中、同一符号は同一、又は相当部
分を示す。

Claims (1)

    【実用新案登録請求の範囲】
  1. 通信装置間を電気的に接続し、各々の信号線断
    を確実に検出することができるインターフエイス
    回線断検出回路。
JP1988149294U 1988-11-15 1988-11-15 Pending JPH0270534U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988149294U JPH0270534U (ja) 1988-11-15 1988-11-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988149294U JPH0270534U (ja) 1988-11-15 1988-11-15

Publications (1)

Publication Number Publication Date
JPH0270534U true JPH0270534U (ja) 1990-05-29

Family

ID=31421394

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988149294U Pending JPH0270534U (ja) 1988-11-15 1988-11-15

Country Status (1)

Country Link
JP (1) JPH0270534U (ja)

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