JPH01119129A - 機器障害信号伝達回路 - Google Patents

機器障害信号伝達回路

Info

Publication number
JPH01119129A
JPH01119129A JP62274717A JP27471787A JPH01119129A JP H01119129 A JPH01119129 A JP H01119129A JP 62274717 A JP62274717 A JP 62274717A JP 27471787 A JP27471787 A JP 27471787A JP H01119129 A JPH01119129 A JP H01119129A
Authority
JP
Japan
Prior art keywords
conversion circuit
circuit
signal
synchronous
transmission
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
JP62274717A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0583012B2 (enrdf_load_stackoverflow
Inventor
Katsuhiro Sasaki
勝弘 佐々木
Seiji Fukuda
福田　誠二
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
NEC Engineering Ltd
Original Assignee
NEC Corp
NEC Engineering 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 NEC Corp, NEC Engineering Ltd filed Critical NEC Corp
Priority to JP62274717A priority Critical patent/JPH01119129A/ja
Publication of JPH01119129A publication Critical patent/JPH01119129A/ja
Publication of JPH0583012B2 publication Critical patent/JPH0583012B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Time-Division Multiplex Systems (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
JP62274717A 1987-10-31 1987-10-31 機器障害信号伝達回路 Granted JPH01119129A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62274717A JPH01119129A (ja) 1987-10-31 1987-10-31 機器障害信号伝達回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62274717A JPH01119129A (ja) 1987-10-31 1987-10-31 機器障害信号伝達回路

Publications (2)

Publication Number Publication Date
JPH01119129A true JPH01119129A (ja) 1989-05-11
JPH0583012B2 JPH0583012B2 (enrdf_load_stackoverflow) 1993-11-24

Family

ID=17545589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62274717A Granted JPH01119129A (ja) 1987-10-31 1987-10-31 機器障害信号伝達回路

Country Status (1)

Country Link
JP (1) JPH01119129A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0583012B2 (enrdf_load_stackoverflow) 1993-11-24

Similar Documents

Publication Publication Date Title
JPH05211479A (ja) 同一波長双方向伝送装置の光ループバック方法
US4876686A (en) Fault detection signal transmission system
JPH01119129A (ja) 機器障害信号伝達回路
JPH11215013A (ja) ディジタルマイクロ波無線通信装置
JPS63221725A (ja) 光伝送方式
JP2730341B2 (ja) 双方向回線管理方式
JPS61251244A (ja) 補助信号伝送回路
JPH0564499B2 (enrdf_load_stackoverflow)
JP2720485B2 (ja) 副信号切替方式
JP2595715B2 (ja) ディジタル伝送系の機器障害検出方式
JP2776302B2 (ja) 冗長構成を有する補助信号伝送システム
JP2956391B2 (ja) 光加入者伝送装置の加入者線インタフェース部
JPH0420035A (ja) データ伝送方式
JP2868450B2 (ja) デジタル無線送受信装置のデータ信号監視システム
JPS6345932A (ja) デイジタルサ−ビスチヤンネル信号伝送回路
JPH0267835A (ja) ディジタル無線方式の擬似フレーム信号送出方式
JPH1041928A (ja) 位相調整装置
JPH0316058B2 (enrdf_load_stackoverflow)
JP2006005506A (ja) 伝送装置およびこれを用いた伝送システムならびに伝送方法
JPS616934A (ja) 予備システム監視方式
JPH03289229A (ja) 障害検出装置
JPH022775A (ja) システム諸元の設定方式
JPH0923216A (ja) 回線監視システム
JPH03126339A (ja) スタッフ多重変換装置
JPH05292045A (ja) 中間中継装置

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees