JPS6356031A - Catv中継器監視システム - Google Patents

Catv中継器監視システム

Info

Publication number
JPS6356031A
JPS6356031A JP61198956A JP19895686A JPS6356031A JP S6356031 A JPS6356031 A JP S6356031A JP 61198956 A JP61198956 A JP 61198956A JP 19895686 A JP19895686 A JP 19895686A JP S6356031 A JPS6356031 A JP S6356031A
Authority
JP
Japan
Prior art keywords
repeater
modulated wave
transmission line
line
catv
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
JP61198956A
Other languages
English (en)
Japanese (ja)
Other versions
JPH054862B2 (enrdf_load_stackoverflow
Inventor
Mitsutoshi Maruyama
丸山 光利
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
NEC Corp
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 filed Critical NEC Corp
Priority to JP61198956A priority Critical patent/JPS6356031A/ja
Publication of JPS6356031A publication Critical patent/JPS6356031A/ja
Publication of JPH054862B2 publication Critical patent/JPH054862B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP61198956A 1986-08-27 1986-08-27 Catv中継器監視システム Granted JPS6356031A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61198956A JPS6356031A (ja) 1986-08-27 1986-08-27 Catv中継器監視システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61198956A JPS6356031A (ja) 1986-08-27 1986-08-27 Catv中継器監視システム

Publications (2)

Publication Number Publication Date
JPS6356031A true JPS6356031A (ja) 1988-03-10
JPH054862B2 JPH054862B2 (enrdf_load_stackoverflow) 1993-01-21

Family

ID=16399734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61198956A Granted JPS6356031A (ja) 1986-08-27 1986-08-27 Catv中継器監視システム

Country Status (1)

Country Link
JP (1) JPS6356031A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0470221A (ja) * 1990-07-11 1992-03-05 Nec Corp ライン信号の増幅中継方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0470221A (ja) * 1990-07-11 1992-03-05 Nec Corp ライン信号の増幅中継方式

Also Published As

Publication number Publication date
JPH054862B2 (enrdf_load_stackoverflow) 1993-01-21

Similar Documents

Publication Publication Date Title
US5914794A (en) Method of and apparatus for detecting and reporting faults in an all-optical communications system
JPH0251306B2 (enrdf_load_stackoverflow)
JPH10107772A (ja) 光ネットワークシステムのパス監視装置
JPS6356031A (ja) Catv中継器監視システム
CN102963395A (zh) 一种实时监控的铁路半自动闭塞信息系统及其工作方法
US2876341A (en) Fault alarm radio repeater system
JPS63283381A (ja) Catv中継器
JPH01140825A (ja) Catv中継器
US5726767A (en) Automatic facsimile signal analyzing apparatus for a telephone exchange system
JPS639244A (ja) デイジタル回線におけるル−プバツク識別方式
JPH0767174B2 (ja) Catv中継器
JPH0683157B2 (ja) 伝送通信システム
JPS61166250A (ja) キヤリア信号検出方式
JPS592450A (ja) 中継器遠方監視方式
JPS60127833A (ja) 光pcm中継器監視回路
JPH0969805A (ja) 通信システム
JP2001359078A (ja) 中継器
JPS6399633A (ja) 光フアイバ通信回線の常時障害監視システム
JP2856405B2 (ja) 通信回線切替方式
JPH02131065A (ja) データ伝送方式
JPS6223156Y2 (enrdf_load_stackoverflow)
JPH05122700A (ja) Catv監視方式
JPH0686286A (ja) 上り流合雑音防止方式
JPS60186141A (ja) 受信機監視方式
JPS62269564A (ja) フアクシミリ装置