JPS6213063U - - Google Patents

Info

Publication number
JPS6213063U
JPS6213063U JP9837486U JP9837486U JPS6213063U JP S6213063 U JPS6213063 U JP S6213063U JP 9837486 U JP9837486 U JP 9837486U JP 9837486 U JP9837486 U JP 9837486U JP S6213063 U JPS6213063 U JP S6213063U
Authority
JP
Japan
Prior art keywords
test
communication path
line
subscriber line
testing device
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
JP9837486U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6225008Y2 (enrdf_load_stackoverflow
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 JP9837486U priority Critical patent/JPS6225008Y2/ja
Publication of JPS6213063U publication Critical patent/JPS6213063U/ja
Application granted granted Critical
Publication of JPS6225008Y2 publication Critical patent/JPS6225008Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
JP9837486U 1986-06-26 1986-06-26 Expired JPS6225008Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9837486U JPS6225008Y2 (enrdf_load_stackoverflow) 1986-06-26 1986-06-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9837486U JPS6225008Y2 (enrdf_load_stackoverflow) 1986-06-26 1986-06-26

Publications (2)

Publication Number Publication Date
JPS6213063U true JPS6213063U (enrdf_load_stackoverflow) 1987-01-26
JPS6225008Y2 JPS6225008Y2 (enrdf_load_stackoverflow) 1987-06-26

Family

ID=30966251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9837486U Expired JPS6225008Y2 (enrdf_load_stackoverflow) 1986-06-26 1986-06-26

Country Status (1)

Country Link
JP (1) JPS6225008Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6225008Y2 (enrdf_load_stackoverflow) 1987-06-26

Similar Documents

Publication Publication Date Title
US3652798A (en) Telecommunication system
EP0042976B1 (en) Bi-directional communication system for a two wire digital telephone link
CA1089134A (en) Telephone station set interface circuit
GB1516751A (en) Speech and data networks including circuits arranged to automatically control transmission continuity testing of connections
JPS6213063U (enrdf_load_stackoverflow)
US2340160A (en) Private branch exchange telephone system employing phonographs
US3706040A (en) Wired broadcasting systems with phantom circuit supplying control current on program signal wires
US4410982A (en) Arrangement for extending digital signaling to telephone subscribers' substations
US4277647A (en) Coin signaling system
JP2602261B2 (ja) 遠隔制御による加入者線路試験方式
SU1107332A1 (ru) Устройство согласовани абонентских линий с четырехпроводным каналом коллективного пользовани
JP3106591B2 (ja) 加入者試験接続方式
GB926973A (en) A circuit arrangement for a telecommunications installation
AU649363B2 (en) A process for checking the operability of transmission circuits for communications signals
US2054901A (en) Communication system
Brune et al. Traffic service position system no. 1: Remote trunk arrangement and position subsystem no. 2: Transmission and signaling considerations
Bell et al. Metallic polar-duplex telegraph system for long small-gage cables
RADAR SPEECH DIRECTION DETECTION CIRCUITS FOR TELEPHONE COMMUNICATION DEVICES
JPS6361823B2 (enrdf_load_stackoverflow)
JPS62136156A (ja) 回線折返し試験方式
US3217108A (en) Signaling circuitry coupling telephone central office and remote switching unit
JPS5919674B2 (ja) 加入者回路
SU1141587A1 (ru) Система контрол сельской телефонной св зи
GB1458626A (en) Arrangement for bridging line equipment in communication networks
Fleissner Spectra-TAC Systems for Electronic Newsgathering