JPH0125338Y2 - - Google Patents

Info

Publication number
JPH0125338Y2
JPH0125338Y2 JP1981127270U JP12727081U JPH0125338Y2 JP H0125338 Y2 JPH0125338 Y2 JP H0125338Y2 JP 1981127270 U JP1981127270 U JP 1981127270U JP 12727081 U JP12727081 U JP 12727081U JP H0125338 Y2 JPH0125338 Y2 JP H0125338Y2
Authority
JP
Japan
Prior art keywords
cable line
relay
communication cable
line
discharge tube
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
JP1981127270U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5834061U (ja
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 filed Critical
Priority to JP1981127270U priority Critical patent/JPS5834061U/ja
Publication of JPS5834061U publication Critical patent/JPS5834061U/ja
Application granted granted Critical
Publication of JPH0125338Y2 publication Critical patent/JPH0125338Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP1981127270U 1981-08-29 1981-08-29 通信ケーブル回線と端末機器の切分装置 Granted JPS5834061U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981127270U JPS5834061U (ja) 1981-08-29 1981-08-29 通信ケーブル回線と端末機器の切分装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981127270U JPS5834061U (ja) 1981-08-29 1981-08-29 通信ケーブル回線と端末機器の切分装置

Publications (2)

Publication Number Publication Date
JPS5834061U JPS5834061U (ja) 1983-03-05
JPH0125338Y2 true JPH0125338Y2 (enrdf_load_stackoverflow) 1989-07-28

Family

ID=29921006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981127270U Granted JPS5834061U (ja) 1981-08-29 1981-08-29 通信ケーブル回線と端末機器の切分装置

Country Status (1)

Country Link
JP (1) JPS5834061U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5834061U (ja) 1983-03-05

Similar Documents

Publication Publication Date Title
CN110907853B (zh) 负载状态的检测电路及方法
US4401942A (en) Monitoring system for a capacitor battery in an AC voltage network
FI74858C (fi) Abonnentanslutningskoppling med jordningsknapp- och isolationsfelsindikation.
JPH0125338Y2 (enrdf_load_stackoverflow)
WO2009092509A1 (de) Steuereinrichtung zum sicheren wiedereinschalten eines fehlerstromschutzschalters
EP0901264B1 (en) Telecommunications line termination test
CN111929554A (zh) 一种绝缘监测装置、系统、方法、设备、介质及辅逆系统
JPH0233221B2 (ja) Kaisenbunriki
JPS59182B2 (ja) 選択呼出受信装置用電池電圧検出方式
EP0125404B1 (de) Schaltung zur Fehlermeldung bei einem über eine steuerbare Schalteinrichtung geschalteten Stromverbraucher
US4101743A (en) Test circuit for a protective coupler
JPS6230357Y2 (enrdf_load_stackoverflow)
CN209764949U (zh) 一种用于测试电动汽车高压电路绝缘电阻的装置
DE971423C (de) Einrichtung zur Erdschlussueberwachung von Stromkreisen, insbesondere Signalstromkreisen in Grubenbetrieben
DE102023136029B3 (de) Messanordnung und Messverfahren zur Messung einer Schleifenimpedanz in einem ungeerdeten Stromversorgungssystem
JPS61265581A (ja) 動機器回路の絶縁状態検知方法
CN216133169U (zh) 一种带诊断功能的开关
JPH0547876U (ja) Icテスタに使用されるdc測定ユニットの自己診断回路
SU1073712A1 (ru) Устройство предварительного автоматического контрол изол ции участка электрической сети
CN116879631A (zh) 数字化电阻类通用测试仪
WO2021084075A1 (de) Verfahren zum prüfen einer zellüberwachungseinheit und prüfgerät
JP4632747B2 (ja) 電圧計付ヒューズクリップ
DE1000851B (de) Signalschaltung, insbesondere fuer Eisenbahnsicherungsanlagen
JPH05236634A (ja) 直流地絡継電器
JP2001016786A (ja) 蓄電池設備の保守点検方式