JPS5396710A - Connection system for four-wire-two-wire switch terminating circuit - Google Patents

Connection system for four-wire-two-wire switch terminating circuit

Info

Publication number
JPS5396710A
JPS5396710A JP1197077A JP1197077A JPS5396710A JP S5396710 A JPS5396710 A JP S5396710A JP 1197077 A JP1197077 A JP 1197077A JP 1197077 A JP1197077 A JP 1197077A JP S5396710 A JPS5396710 A JP S5396710A
Authority
JP
Japan
Prior art keywords
wire
connection system
terminating circuit
switch terminating
wire switch
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.)
Pending
Application number
JP1197077A
Other languages
Japanese (ja)
Inventor
Masahiko Yamamoto
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
Nippon Electric Co Ltd
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, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP1197077A priority Critical patent/JPS5396710A/en
Publication of JPS5396710A publication Critical patent/JPS5396710A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)

Abstract

PURPOSE:To increase the number of available links and reduce loss occurrence due to link busy by making four-wire-side transmission and receiving circuits available together in the switching connection of four-wire and two-wire circuits.
JP1197077A 1977-02-04 1977-02-04 Connection system for four-wire-two-wire switch terminating circuit Pending JPS5396710A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1197077A JPS5396710A (en) 1977-02-04 1977-02-04 Connection system for four-wire-two-wire switch terminating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1197077A JPS5396710A (en) 1977-02-04 1977-02-04 Connection system for four-wire-two-wire switch terminating circuit

Publications (1)

Publication Number Publication Date
JPS5396710A true JPS5396710A (en) 1978-08-24

Family

ID=11792464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1197077A Pending JPS5396710A (en) 1977-02-04 1977-02-04 Connection system for four-wire-two-wire switch terminating circuit

Country Status (1)

Country Link
JP (1) JPS5396710A (en)

Similar Documents

Publication Publication Date Title
GB1545453A (en) Telephone line connecting circuit
JPS5396710A (en) Connection system for four-wire-two-wire switch terminating circuit
JPS5310912A (en) Two-way multiplex transmission control system
AU4151978A (en) Tdm switching network supervision circuit
JPS55105466A (en) Exchange system
JPS5427702A (en) Overall digital switchboard
JPS5597759A (en) Control system of decentralized electronic exchange
JPS5430708A (en) Four-wire switching system
JPS542601A (en) Store-and-froward-exchange system
JPS5430707A (en) Six-wire switching system
JPS5781758A (en) Signal transmitting system of switchboard
JPS53115111A (en) Time-space division hybrid talking switch circuit network
JPS53119606A (en) Double concentrating transmission system of tree-pair line
JPS544504A (en) Combined switching system between two wires and four wires
JPS53131706A (en) Automatic telephone exchange system
JPS5413716A (en) Signal superposing circuit
JPS56119556A (en) Control system for loop type network
JPS5396605A (en) Data transmission system
JPS5384509A (en) Telephone set interface circuit
JPS53136910A (en) Initial connection system for time division multiple connecting communication system
JPS5538758A (en) Using/spare circuit switching system for signal transmission
JPS5665550A (en) Calling out system for terminal device
JPS53132935A (en) Circuit control system
JPS52100803A (en) Call wating system
JPS56160168A (en) Exchange system