JPH0126214B2 - - Google Patents

Info

Publication number
JPH0126214B2
JPH0126214B2 JP56020513A JP2051381A JPH0126214B2 JP H0126214 B2 JPH0126214 B2 JP H0126214B2 JP 56020513 A JP56020513 A JP 56020513A JP 2051381 A JP2051381 A JP 2051381A JP H0126214 B2 JPH0126214 B2 JP H0126214B2
Authority
JP
Japan
Prior art keywords
loop
transmission
line
transmission line
data
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
Application number
JP56020513A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57135542A (en
Inventor
Kazuo Yasue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP56020513A priority Critical patent/JPS57135542A/ja
Publication of JPS57135542A publication Critical patent/JPS57135542A/ja
Publication of JPH0126214B2 publication Critical patent/JPH0126214B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
JP56020513A 1981-02-13 1981-02-13 Data transmitter Granted JPS57135542A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56020513A JPS57135542A (en) 1981-02-13 1981-02-13 Data transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56020513A JPS57135542A (en) 1981-02-13 1981-02-13 Data transmitter

Publications (2)

Publication Number Publication Date
JPS57135542A JPS57135542A (en) 1982-08-21
JPH0126214B2 true JPH0126214B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-05-23

Family

ID=12029232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56020513A Granted JPS57135542A (en) 1981-02-13 1981-02-13 Data transmitter

Country Status (1)

Country Link
JP (1) JPS57135542A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5612156A (en) * 1979-07-12 1981-02-06 Toshiba Corp Diagnostic system of data transfer system

Also Published As

Publication number Publication date
JPS57135542A (en) 1982-08-21

Similar Documents

Publication Publication Date Title
KR860002213B1 (ko) 루우프전송 시스템의 루우프-백 상태를 제어하는 루우프 전송시스템 및 방법
JPH0157860B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH01245335A (ja) プログラマブルコントローラの多重化システム
JPH0126214B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN115878404A (zh) 串口调试系统和方法
JP2710777B2 (ja) 中間制御装置のテスト回路
JP2551666B2 (ja) クロック供給切替回路
JPH0376352A (ja) 擬似試験装置
JPH03139094A (ja) 車両用通信装置
JPH037984B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP3414061B2 (ja) 車載オーディオ機器ネットワークシステム
JP2970164B2 (ja) 切替回路
JP2956385B2 (ja) バスライン監視方式
JPH11328048A (ja) インテリジェント系ボードとコンソール端末との接続機構および接続方法
JP2847719B2 (ja) データ転送装置
JPH1011370A (ja) 多重化システム
JPH01253343A (ja) 通信制御装置
JPH05102891A (ja) 伝送装置の試験方式
JPH03138732A (ja) ２重化マイクロプロセッサの自動切換装置
JPS6215893B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH01101478A (ja) 集積回路
JPS5938607B2 (ja) 診断拡張装置
JPS5819086B2 (ja) チヤネルインタフエ−ス回路の診断方式
JPH08191319A (ja) データ通信システム
JPS59132256A (ja) ポ−リング制御方式