JPH0324738U - - Google Patents

Info

Publication number
JPH0324738U
JPH0324738U JP1989084961U JP8496189U JPH0324738U JP H0324738 U JPH0324738 U JP H0324738U JP 1989084961 U JP1989084961 U JP 1989084961U JP 8496189 U JP8496189 U JP 8496189U JP H0324738 U JPH0324738 U JP H0324738U
Authority
JP
Japan
Prior art keywords
switching device
control devices
main control
control device
slave control
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
JP1989084961U
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 JP1989084961U priority Critical patent/JPH0324738U/ja
Publication of JPH0324738U publication Critical patent/JPH0324738U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Selective Calling Equipment (AREA)
  • Dc Digital Transmission (AREA)
  • Small-Scale Networks (AREA)
  • Communication Control (AREA)

Description

【図面の簡単な説明】
第1図は本考案の第1の実施例のブロツク図、
第2図は本考案の第2の実施例のブロツク図、第
3図は従来例を説明するためのブロツク図。 図中、10,20,30……主制御装置、11
,12,13,21,22,23,31,32,
33……従制御装置、14……デコーダ、16a
,16b,17a,17b,18a,18b……
ドライバ、RL1,RL2,RL3……リレー。

Claims (1)

    【実用新案登録請求の範囲】
  1. 主制御装置に対して複数の従制御装置のうちの
    一台を選択的に接続するための切換装置であつて
    、前記主制御装置と複数の従制御装置との間を結
    ぶ各回線にそれぞれ回線接断用のスイツチを設け
    、前記主制御装置からの指令信号にもとづいて前
    記各スイツチのオン、オフを選択的に制御する手
    段を設けたことを特徴とする伝送回路の切換装置
JP1989084961U 1989-07-21 1989-07-21 Pending JPH0324738U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989084961U JPH0324738U (ja) 1989-07-21 1989-07-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989084961U JPH0324738U (ja) 1989-07-21 1989-07-21

Publications (1)

Publication Number Publication Date
JPH0324738U true JPH0324738U (ja) 1991-03-14

Family

ID=31633793

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989084961U Pending JPH0324738U (ja) 1989-07-21 1989-07-21

Country Status (1)

Country Link
JP (1) JPH0324738U (ja)

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