GB1401128A - 4-wire telecommunication networks - Google Patents

4-wire telecommunication networks

Info

Publication number
GB1401128A
GB1401128A GB895673A GB895673A GB1401128A GB 1401128 A GB1401128 A GB 1401128A GB 895673 A GB895673 A GB 895673A GB 895673 A GB895673 A GB 895673A GB 1401128 A GB1401128 A GB 1401128A
Authority
GB
United Kingdom
Prior art keywords
connection
switching point
points
testing device
register
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
GB895673A
Other languages
English (en)
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.)
Hasler AG
Siemens Schweiz AG
Original Assignee
Hasler AG
Siemens Albis AG
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 Hasler AG, Siemens Albis AG filed Critical Hasler AG
Publication of GB1401128A publication Critical patent/GB1401128A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
GB895673A 1972-02-29 1973-02-23 4-wire telecommunication networks Expired GB1401128A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH285272A CH541265A (de) 1972-02-29 1972-02-29 Verfahren zur Prüfung von Vierdrahtverbindungen zwischen zwei miteinander zu verbindenden Schaltstellen eines Fernmeldenetzes

Publications (1)

Publication Number Publication Date
GB1401128A true GB1401128A (en) 1975-07-16

Family

ID=4243022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB895673A Expired GB1401128A (en) 1972-02-29 1973-02-23 4-wire telecommunication networks

Country Status (14)

Country Link
JP (1) JPS5333203B2 (enrdf_load_stackoverflow)
AT (1) AT329641B (enrdf_load_stackoverflow)
BE (1) BE796107A (enrdf_load_stackoverflow)
CH (1) CH541265A (enrdf_load_stackoverflow)
DE (1) DE2304923C3 (enrdf_load_stackoverflow)
ES (1) ES411818A1 (enrdf_load_stackoverflow)
FR (1) FR2177758B1 (enrdf_load_stackoverflow)
GB (1) GB1401128A (enrdf_load_stackoverflow)
IE (1) IE37320B1 (enrdf_load_stackoverflow)
IL (1) IL41504A (enrdf_load_stackoverflow)
IT (1) IT984494B (enrdf_load_stackoverflow)
LU (1) LU67108A1 (enrdf_load_stackoverflow)
NL (1) NL156881B (enrdf_load_stackoverflow)
NO (1) NO136814C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991003886A1 (en) * 1989-08-28 1991-03-21 Raynet Corporation Coupler verification test circuit

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735341C3 (de) * 1977-08-05 1984-05-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Anordnung zur Durchgangsprüfung in Fernmeldeanlagen
DE2838816A1 (de) * 1978-09-06 1980-03-20 Tekade Felten & Guilleaume Schleifentest fuer datenuebertragungsstrecken
DE2850376C2 (de) * 1978-11-21 1981-10-01 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Verfahren zur Prüfung der Verbindungen eines Fernmeldenetzes
US5901202A (en) * 1996-10-11 1999-05-04 At&T Corp Method for initiating a telephone call on a remote line

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991003886A1 (en) * 1989-08-28 1991-03-21 Raynet Corporation Coupler verification test circuit
US5066139A (en) * 1989-08-28 1991-11-19 Raynet Corporation Coupler verification test circuit

Also Published As

Publication number Publication date
DE2304923B2 (de) 1974-03-07
IE37320B1 (en) 1977-06-22
IL41504A (en) 1975-08-31
DE2304923A1 (de) 1973-09-20
NL156881B (nl) 1978-05-16
LU67108A1 (enrdf_load_stackoverflow) 1973-05-03
IE37320L (en) 1973-08-29
JPS48102508A (enrdf_load_stackoverflow) 1973-12-22
NO136814C (no) 1977-11-16
BE796107A (fr) 1973-06-18
IL41504A0 (en) 1973-04-30
JPS5333203B2 (enrdf_load_stackoverflow) 1978-09-13
FR2177758B1 (enrdf_load_stackoverflow) 1981-07-24
DE2304923C3 (de) 1974-09-26
NL7302655A (enrdf_load_stackoverflow) 1973-08-31
NO136814B (no) 1977-08-01
AT329641B (de) 1976-05-25
CH541265A (de) 1973-08-31
IT984494B (it) 1974-11-20
ATA152673A (de) 1975-08-15
ES411818A1 (es) 1976-01-01
FR2177758A1 (enrdf_load_stackoverflow) 1973-11-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee