JPH0317258B2 - - Google Patents

Info

Publication number
JPH0317258B2
JPH0317258B2 JP59039350A JP3935084A JPH0317258B2 JP H0317258 B2 JPH0317258 B2 JP H0317258B2 JP 59039350 A JP59039350 A JP 59039350A JP 3935084 A JP3935084 A JP 3935084A JP H0317258 B2 JPH0317258 B2 JP H0317258B2
Authority
JP
Japan
Prior art keywords
speed signal
circuit
low
standby
output
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 - Lifetime
Application number
JP59039350A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60182832A (ja
Inventor
Kazunari Kuritani
Kunyasu Hayashi
Toshuki Nishina
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 JP3935084A priority Critical patent/JPS60182832A/ja
Publication of JPS60182832A publication Critical patent/JPS60182832A/ja
Publication of JPH0317258B2 publication Critical patent/JPH0317258B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/14Monitoring arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Time-Division Multiplex Systems (AREA)
JP3935084A 1984-02-29 1984-02-29 多重分離装置の監視方式 Granted JPS60182832A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3935084A JPS60182832A (ja) 1984-02-29 1984-02-29 多重分離装置の監視方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3935084A JPS60182832A (ja) 1984-02-29 1984-02-29 多重分離装置の監視方式

Publications (2)

Publication Number Publication Date
JPS60182832A JPS60182832A (ja) 1985-09-18
JPH0317258B2 true JPH0317258B2 (enrdf_load_stackoverflow) 1991-03-07

Family

ID=12550626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3935084A Granted JPS60182832A (ja) 1984-02-29 1984-02-29 多重分離装置の監視方式

Country Status (1)

Country Link
JP (1) JPS60182832A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2833849B2 (ja) * 1990-09-28 1998-12-09 日本電気株式会社 予備回路自己監視装置
JP6066388B1 (ja) 2015-11-26 2017-01-25 富士フイルム株式会社 放射線照射装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58212238A (ja) * 1982-06-02 1983-12-09 Nec Corp 多重変換装置系の自動切替方式

Also Published As

Publication number Publication date
JPS60182832A (ja) 1985-09-18

Similar Documents

Publication Publication Date Title
JP2826907B2 (ja) 信号保護及び監視システム
US4601028A (en) Method of and apparatus for checking datapath failure in a communication muldem
US5345438A (en) Transmission device capable of readily controlling active and backup sections
US4993013A (en) Monitor system for multiplex equipment
JPH0330336B2 (enrdf_load_stackoverflow)
JP2500743B2 (ja) ディジタルクロスコネクト装置
JPH0317258B2 (enrdf_load_stackoverflow)
JP2737639B2 (ja) 伝送路切替え制御システム
JPS61295800A (ja) 遠隔局制御方式
CA2076996C (en) Transmission line switching devices capable of switching to a redundant system when a failure occurs in the system path
US6856767B2 (en) Optical signal quality selection system
US5473597A (en) Test circuit of multiplex equipment
JP2615762B2 (ja) ループ型光伝送装置
JPH0710061B2 (ja) 多重分離回路
JP2550896B2 (ja) 故障診断装置
JP3343904B2 (ja) 伝送路切替システム
JP3013007B2 (ja) 回線切替方式
JP2793233B2 (ja) デジタル多重化装置の回路診断方法
JP2503908B2 (ja) 回線切り替え制御回路
JP2507609B2 (ja) Isdn加入者インタフェ―ス装置
JPH0316331A (ja) データリンク保護方式
JPS59131254A (ja) 障害検出方式
JPS6148249A (ja) 回線切替装置
JPS63132542A (ja) 多重変換装置の監視方式
JPH04307826A (ja) 多重装置の監視方式

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term