JPS648748A - Line concentration device for duplicated loop type local area network - Google Patents

Line concentration device for duplicated loop type local area network

Info

Publication number
JPS648748A
JPS648748A JP62164908A JP16490887A JPS648748A JP S648748 A JPS648748 A JP S648748A JP 62164908 A JP62164908 A JP 62164908A JP 16490887 A JP16490887 A JP 16490887A JP S648748 A JPS648748 A JP S648748A
Authority
JP
Japan
Prior art keywords
signal
circuit
fault
bypassed
area network
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
JP62164908A
Other languages
English (en)
Other versions
JPH0624389B2 (ja
Inventor
Hiroshi Ishihara
Masahiko Hori
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.)
Mitsubishi Cable Industries Ltd
Original Assignee
Mitsubishi Cable Industries 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 Mitsubishi Cable Industries Ltd filed Critical Mitsubishi Cable Industries Ltd
Priority to JP62164908A priority Critical patent/JPH0624389B2/ja
Publication of JPS648748A publication Critical patent/JPS648748A/ja
Publication of JPH0624389B2 publication Critical patent/JPH0624389B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
JP62164908A 1987-06-30 1987-06-30 二重ル−プ型ロ−カルエリアネットワ−クの集線装置 Expired - Lifetime JPH0624389B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62164908A JPH0624389B2 (ja) 1987-06-30 1987-06-30 二重ル−プ型ロ−カルエリアネットワ−クの集線装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62164908A JPH0624389B2 (ja) 1987-06-30 1987-06-30 二重ル−プ型ロ−カルエリアネットワ−クの集線装置

Publications (2)

Publication Number Publication Date
JPS648748A true JPS648748A (en) 1989-01-12
JPH0624389B2 JPH0624389B2 (ja) 1994-03-30

Family

ID=15802148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62164908A Expired - Lifetime JPH0624389B2 (ja) 1987-06-30 1987-06-30 二重ル−プ型ロ−カルエリアネットワ−クの集線装置

Country Status (1)

Country Link
JP (1) JPH0624389B2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034738A (en) * 1988-12-21 1991-07-23 Mitsubishi Cable Concentrator for local area network with loop topology
US5556805A (en) * 1990-04-27 1996-09-17 Fujitsu Limited Method for producing semiconductor device having via hole
EP2736266A1 (en) * 2012-11-21 2014-05-28 ams AG Signal processing device and active headphone with such a signal processing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5034738A (en) * 1988-12-21 1991-07-23 Mitsubishi Cable Concentrator for local area network with loop topology
US5556805A (en) * 1990-04-27 1996-09-17 Fujitsu Limited Method for producing semiconductor device having via hole
EP2736266A1 (en) * 2012-11-21 2014-05-28 ams AG Signal processing device and active headphone with such a signal processing device

Also Published As

Publication number Publication date
JPH0624389B2 (ja) 1994-03-30

Similar Documents

Publication Publication Date Title
JPS648748A (en) Line concentration device for duplicated loop type local area network
DE3370089D1 (en) Short circuit fault isolation means for electrical circuit arrangements
JPS55161449A (en) Fault monitor system
JPS5483396A (en) Fire alarming system
JPS57186855A (en) Optical communication system
JPS5635202A (en) Multiplex control device
JPS56156037A (en) Optical signal switching system
JPS5567252A (en) Stand-by circuit switching system
JPS5545220A (en) Trunk circuit
JPH0297150A (ja) 光ループ式伝送路のバイパス方式
JPS5675747A (en) Communication system by loop transmission system
JPS56149894A (en) Alarm control device
JPS57116445A (en) Optical repeater
JP2718699B2 (ja) 4方向給電路切替回路
JPS57157205A (en) Optical switch circuit for loop way node
JPS5513570A (en) Automatic raising system of double central control units at trouble time
JPS624919B2 (ja)
JPH0362696A (ja) 光伝送路切換装置
JPS5469096A (en) Signal equipment for extinction-type induction lamp
JPS574623A (en) Fault monitoring system for cable relaying communication system
JPS5648795A (en) Remote controller
JPS55154844A (en) Light-source redundancy system of light repeater
JPS5741056A (en) Fault time bypass system of loop transmission line
JPS57132441A (en) Data way
JPS55140341A (en) Supervisory control system