JPH032756U - - Google Patents

Info

Publication number
JPH032756U
JPH032756U JP1989061392U JP6139289U JPH032756U JP H032756 U JPH032756 U JP H032756U JP 1989061392 U JP1989061392 U JP 1989061392U JP 6139289 U JP6139289 U JP 6139289U JP H032756 U JPH032756 U JP H032756U
Authority
JP
Japan
Prior art keywords
signal
generation circuit
communication
latch
signal generation
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
JP1989061392U
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 JP1989061392U priority Critical patent/JPH032756U/ja
Publication of JPH032756U publication Critical patent/JPH032756U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Small-Scale Networks (AREA)
  • Maintenance And Management Of 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のブロツク図、
第2図はFDDIプロトコルによるイニシヤル例
のシーケンス図、第3図は第2図の作用図、第4
図は光データリンク方式の概念図、第5図は第4
図の端末局の送受信部のブロツク図である。 1……タイミング信号発生回路、2……カウン
タ回路、3a,3b……ラツチ回路、C……クリ
ヤ信号、La,Lb……ラツチ信号、X……通信
状態監視タイマ、S……ライン状態変化信号。

Claims (1)

    【実用新案登録請求の範囲】
  1. 通信回線に通信状態に応じて入力されるライン
    状態変化信号によつて、クリヤ信号およびラツチ
    信号を生成するタイミング信号発生回路と、その
    クリヤ信号によつて前記ライン状態信号の継続時
    間を計数し出力するカウンタ回路と、そのカウン
    タの計数出力を前記タイミング信号発生回路から
    のラツチ信号によつて記憶する2個のラツチ回路
    とから成る通信状態監視タイマ。
JP1989061392U 1989-05-27 1989-05-27 Pending JPH032756U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989061392U JPH032756U (ja) 1989-05-27 1989-05-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989061392U JPH032756U (ja) 1989-05-27 1989-05-27

Publications (1)

Publication Number Publication Date
JPH032756U true JPH032756U (ja) 1991-01-11

Family

ID=31589602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989061392U Pending JPH032756U (ja) 1989-05-27 1989-05-27

Country Status (1)

Country Link
JP (1) JPH032756U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54176158U (ja) * 1978-06-02 1979-12-12

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54176158U (ja) * 1978-06-02 1979-12-12

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