CH541265A - Method for testing four-wire connections between two switching points of a telecommunications network that are to be connected to one another - Google Patents
Method for testing four-wire connections between two switching points of a telecommunications network that are to be connected to one anotherInfo
- Publication number
- CH541265A CH541265A CH285272A CH285272A CH541265A CH 541265 A CH541265 A CH 541265A CH 285272 A CH285272 A CH 285272A CH 285272 A CH285272 A CH 285272A CH 541265 A CH541265 A CH 541265A
- Authority
- CH
- Switzerland
- Prior art keywords
- testing
- another
- telecommunications network
- switching points
- wire connections
- Prior art date
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)
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH285272A CH541265A (en) | 1972-02-29 | 1972-02-29 | Method for testing four-wire connections between two switching points of a telecommunications network that are to be connected to one another |
DE2304923A DE2304923C3 (en) | 1972-02-29 | 1973-02-01 | Procedure for testing four-wire connections between two switching points of a telecommunications network that are to be connected to one another? |
IL41504A IL41504A (en) | 1972-02-29 | 1973-02-09 | Checking method for 4-wire connections between two switching points to be interconnected in a telecommunication network |
ES411818A ES411818A1 (en) | 1972-02-29 | 1973-02-20 | 4-wire telecommunication networks |
AT152673A AT329641B (en) | 1972-02-29 | 1973-02-21 | CIRCUIT ARRANGEMENT FOR TESTING FOUR-WIRE CONNECTIONS BETWEEN TWO SWITCHING STATIONS TO BE CONNECTED IN A CENTRALLY CONTROLLED REMOTE INFORMATION NETWORK |
FR7306267A FR2177758B1 (en) | 1972-02-29 | 1973-02-22 | |
NO741/73A NO136814C (en) | 1972-02-29 | 1973-02-23 | PROCEDURES FOR TESTING FIRETR} DSCONNECTIONS BETWEEN TWO CONNECTION POINTS TO BE CONNECTED WITH EACH OTHER IN A REMOTE COMMUNICATION NETWORK |
GB895673A GB1401128A (en) | 1972-02-29 | 1973-02-23 | 4-wire telecommunication networks |
NL7302655.A NL156881B (en) | 1972-02-29 | 1973-02-26 | CENTRALLY CONTROLLED TELECOMMUNICATIONS NETWORK, EXAMINING FOUR-WIRE CONNECTIONS BETWEEN SWITCHING POSTS. |
IE294/73A IE37320B1 (en) | 1972-02-29 | 1973-02-26 | Improvements in or relating to 4-wire telecommunications networks |
LU67108A LU67108A1 (en) | 1972-02-29 | 1973-02-27 | |
AU52675/73A AU479699B2 (en) | 1972-02-29 | 1973-02-27 | Tdm telecommunication network |
JP2420573A JPS5333203B2 (en) | 1972-02-29 | 1973-02-28 | |
IT20997/73A IT984494B (en) | 1972-02-29 | 1973-02-28 | PROCEDURE FOR TESTING FOUR-WIRE CONNECTIONS BETWEEN TWO DISTRIBUTION CENTERS OF A TELECOMMUNICATIONS NETWORK TO BE CONNECTED TO EACH OTHER |
BE128227A BE796107A (en) | 1972-02-29 | 1973-02-28 | PROCEDURE FOR CHECKING FOUR-WIRE CONNECTIONS BETWEEN TWO LINK STATIONS OF A TELECOMMUNICATIONS NETWORK TO BE CONNECTED TO BETWEEN THEM |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH285272A CH541265A (en) | 1972-02-29 | 1972-02-29 | Method for testing four-wire connections between two switching points of a telecommunications network that are to be connected to one another |
Publications (1)
Publication Number | Publication Date |
---|---|
CH541265A true CH541265A (en) | 1973-08-31 |
Family
ID=4243022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH285272A CH541265A (en) | 1972-02-29 | 1972-02-29 | Method for testing four-wire connections between two switching points of a telecommunications network that are to be connected to one another |
Country Status (14)
Country | Link |
---|---|
JP (1) | JPS5333203B2 (en) |
AT (1) | AT329641B (en) |
BE (1) | BE796107A (en) |
CH (1) | CH541265A (en) |
DE (1) | DE2304923C3 (en) |
ES (1) | ES411818A1 (en) |
FR (1) | FR2177758B1 (en) |
GB (1) | GB1401128A (en) |
IE (1) | IE37320B1 (en) |
IL (1) | IL41504A (en) |
IT (1) | IT984494B (en) |
LU (1) | LU67108A1 (en) |
NL (1) | NL156881B (en) |
NO (1) | NO136814C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2735341C3 (en) * | 1977-08-05 | 1984-05-10 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Arrangement for the continuity test in telecommunication systems |
DE2838816A1 (en) * | 1978-09-06 | 1980-03-20 | Tekade Felten & Guilleaume | LOOP TEST FOR DATA TRANSFER ROUTES |
DE2850376C2 (en) * | 1978-11-21 | 1981-10-01 | TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg | Procedure for checking the connections of a telecommunications network |
US5066139A (en) * | 1989-08-28 | 1991-11-19 | Raynet Corporation | Coupler verification test circuit |
US5901202A (en) * | 1996-10-11 | 1999-05-04 | At&T Corp | Method for initiating a telephone call on a remote line |
-
1972
- 1972-02-29 CH CH285272A patent/CH541265A/en not_active IP Right Cessation
-
1973
- 1973-02-01 DE DE2304923A patent/DE2304923C3/en not_active Expired
- 1973-02-09 IL IL41504A patent/IL41504A/en unknown
- 1973-02-20 ES ES411818A patent/ES411818A1/en not_active Expired
- 1973-02-21 AT AT152673A patent/AT329641B/en not_active IP Right Cessation
- 1973-02-22 FR FR7306267A patent/FR2177758B1/fr not_active Expired
- 1973-02-23 NO NO741/73A patent/NO136814C/en unknown
- 1973-02-23 GB GB895673A patent/GB1401128A/en not_active Expired
- 1973-02-26 IE IE294/73A patent/IE37320B1/en unknown
- 1973-02-26 NL NL7302655.A patent/NL156881B/en unknown
- 1973-02-27 LU LU67108A patent/LU67108A1/xx unknown
- 1973-02-28 IT IT20997/73A patent/IT984494B/en active
- 1973-02-28 BE BE128227A patent/BE796107A/en not_active IP Right Cessation
- 1973-02-28 JP JP2420573A patent/JPS5333203B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES411818A1 (en) | 1976-01-01 |
FR2177758B1 (en) | 1981-07-24 |
ATA152673A (en) | 1975-08-15 |
GB1401128A (en) | 1975-07-16 |
NO136814C (en) | 1977-11-16 |
BE796107A (en) | 1973-06-18 |
NO136814B (en) | 1977-08-01 |
JPS48102508A (en) | 1973-12-22 |
JPS5333203B2 (en) | 1978-09-13 |
FR2177758A1 (en) | 1973-11-09 |
LU67108A1 (en) | 1973-05-03 |
IL41504A (en) | 1975-08-31 |
IT984494B (en) | 1974-11-20 |
DE2304923B2 (en) | 1974-03-07 |
AT329641B (en) | 1976-05-25 |
DE2304923A1 (en) | 1973-09-20 |
NL7302655A (en) | 1973-08-31 |
NL156881B (en) | 1978-05-16 |
IE37320B1 (en) | 1977-06-22 |
IE37320L (en) | 1973-08-29 |
IL41504A0 (en) | 1973-04-30 |
DE2304923C3 (en) | 1974-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |