JPS5696541A - Protection system of relay system for coaxial communication - Google Patents

Protection system of relay system for coaxial communication

Info

Publication number
JPS5696541A
JPS5696541A JP17283679A JP17283679A JPS5696541A JP S5696541 A JPS5696541 A JP S5696541A JP 17283679 A JP17283679 A JP 17283679A JP 17283679 A JP17283679 A JP 17283679A JP S5696541 A JPS5696541 A JP S5696541A
Authority
JP
Japan
Prior art keywords
relay device
cable
output side
abnormal voltage
input
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
JP17283679A
Other languages
Japanese (ja)
Other versions
JPS6111013B2 (en
Inventor
Yoshitaka Hiramatsu
Tatsuhiko Katayama
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.)
SHIYOUDEN KK
Shoden Corp
Original Assignee
SHIYOUDEN KK
Shoden 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 SHIYOUDEN KK, Shoden Corp filed Critical SHIYOUDEN KK
Priority to JP17283679A priority Critical patent/JPS5696541A/en
Publication of JPS5696541A publication Critical patent/JPS5696541A/en
Publication of JPS6111013B2 publication Critical patent/JPS6111013B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Protection Of Static Devices (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

PURPOSE:To protect components like IC in a relay device, by using an abnormal voltage induced in a cable incorporated with a coaxial cable or in parallel and discharging the abnormal voltage invaded to the input or output side of the relay device by means of three-pole gas arrestor to ground. CONSTITUTION:A center conductor 3A of an input side coaxial cable 3 is connected to the input side of a relay device 2, a center conductor 4A of an output side coaxial cable 4 is connected to the output side, and between the cables 3 and 4, is connected with a cable 5 of inserted pair. Further, between the input and output side of the relay device 2 and secondary windings W12 and W22 of pulse transformers PT1 and PT2 connected in series to the cable 5, three-pole gas arrestors AR3 and AR4 are connected, and a 2-pole gas arrestor AR5 is connected to the connecting point of transformers T1, T2. Further, the abnormal voltage invaded to the relay unit 2 is used to discharge the arrestors AR3, AR4, allowing surely to discharge the abnormal voltage invaded to the relay device 2 and to protect the components like ICs in the relay device 2.
JP17283679A 1979-12-28 1979-12-28 Protection system of relay system for coaxial communication Granted JPS5696541A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17283679A JPS5696541A (en) 1979-12-28 1979-12-28 Protection system of relay system for coaxial communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17283679A JPS5696541A (en) 1979-12-28 1979-12-28 Protection system of relay system for coaxial communication

Publications (2)

Publication Number Publication Date
JPS5696541A true JPS5696541A (en) 1981-08-04
JPS6111013B2 JPS6111013B2 (en) 1986-04-01

Family

ID=15949232

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17283679A Granted JPS5696541A (en) 1979-12-28 1979-12-28 Protection system of relay system for coaxial communication

Country Status (1)

Country Link
JP (1) JPS5696541A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020043513A (en) * 2018-09-12 2020-03-19 ファナック株式会社 Relay device and communication system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020043513A (en) * 2018-09-12 2020-03-19 ファナック株式会社 Relay device and communication system

Also Published As

Publication number Publication date
JPS6111013B2 (en) 1986-04-01

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