JPS5255405A - Pilot test system - Google Patents

Pilot test system

Info

Publication number
JPS5255405A
JPS5255405A JP50131641A JP13164175A JPS5255405A JP S5255405 A JPS5255405 A JP S5255405A JP 50131641 A JP50131641 A JP 50131641A JP 13164175 A JP13164175 A JP 13164175A JP S5255405 A JPS5255405 A JP S5255405A
Authority
JP
Japan
Prior art keywords
test system
pilot test
pilot
reception
receiver
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
JP50131641A
Other languages
Japanese (ja)
Other versions
JPS5834076B2 (en
Inventor
Hiroaki Sato
Takuto Kojima
Shunichi Naito
Kenichi Yukimatsu
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.)
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
Nippon Telegraph and Telephone 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 Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP50131641A priority Critical patent/JPS5834076B2/en
Publication of JPS5255405A publication Critical patent/JPS5255405A/en
Publication of JPS5834076B2 publication Critical patent/JPS5834076B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Abstract

PURPOSE:The pilot transmitter/receiver is installed at time division switchboard in order to perform transmission and reception of pilot signal at circulation path, In this way, the communication channel test can be quickly performed.
JP50131641A 1975-10-31 1975-10-31 pilot pilot Expired JPS5834076B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50131641A JPS5834076B2 (en) 1975-10-31 1975-10-31 pilot pilot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50131641A JPS5834076B2 (en) 1975-10-31 1975-10-31 pilot pilot

Publications (2)

Publication Number Publication Date
JPS5255405A true JPS5255405A (en) 1977-05-06
JPS5834076B2 JPS5834076B2 (en) 1983-07-23

Family

ID=15062795

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50131641A Expired JPS5834076B2 (en) 1975-10-31 1975-10-31 pilot pilot

Country Status (1)

Country Link
JP (1) JPS5834076B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149143A (en) * 1980-04-21 1981-11-18 Fujitsu Ltd Circuit quality monitor system
JPS58141056A (en) * 1982-02-16 1983-08-22 Mitsubishi Electric Corp Time slot testing method of exchange system
JPS6077565A (en) * 1983-10-05 1985-05-02 Fujitsu Ltd Test method of data subscriber circuit
JP2015019208A (en) * 2013-07-10 2015-01-29 日本電気通信システム株式会社 Subscriber distribution device and signal processing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56149143A (en) * 1980-04-21 1981-11-18 Fujitsu Ltd Circuit quality monitor system
JPS58141056A (en) * 1982-02-16 1983-08-22 Mitsubishi Electric Corp Time slot testing method of exchange system
JPS6077565A (en) * 1983-10-05 1985-05-02 Fujitsu Ltd Test method of data subscriber circuit
JP2015019208A (en) * 2013-07-10 2015-01-29 日本電気通信システム株式会社 Subscriber distribution device and signal processing method thereof

Also Published As

Publication number Publication date
JPS5834076B2 (en) 1983-07-23

Similar Documents

Publication Publication Date Title
JPS5314A (en) Heterodyne receiver
JPS5255405A (en) Pilot test system
JPS51115716A (en) Diversity receiver
JPS52137222A (en) Interface system
JPS5213712A (en) Signal transmission system as well as transmitter and receiver
JPS543402A (en) Privacy communication system
JPS524722A (en) Diversity reception system
JPS5344788A (en) Transmitter/receiver
JPS5210015A (en) Transmitter and receiver with wide band range cable
JPS5531311A (en) Direct trunk setting system for multi-channel radio communication system
JPS538009A (en) Monitor system for leakage coaxial cables
JPS5419301A (en) Transmission and reception system of signal
JPS5264823A (en) Channel switching circuit
JPS5230135A (en) Branch unit
JPS5362402A (en) Loudening telephone unit
JPS5232210A (en) Detection system for subscriber response signal
JPS5228894A (en) Microwave apparatus
JPS5419303A (en) Transmission and reception system of signal
JPS5248420A (en) Two-way transmission equipment
JPS5273609A (en) Communication system
JPS543401A (en) State monitor system for mobile station
JPS525208A (en) Time division multiplex transmission
JPS5683138A (en) Squeltch system
JPS5412502A (en) Wireless communication equipment
JPS5412205A (en) Pilot-signal transmission system