IT984494B - PROCEDURE FOR TESTING FOUR-WIRE CONNECTIONS BETWEEN TWO DISTRIBUTION CENTERS OF A TELECOMMUNICATIONS NETWORK TO BE CONNECTED TO EACH OTHER - Google Patents
PROCEDURE FOR TESTING FOUR-WIRE CONNECTIONS BETWEEN TWO DISTRIBUTION CENTERS OF A TELECOMMUNICATIONS NETWORK TO BE CONNECTED TO EACH OTHERInfo
- Publication number
- IT984494B IT984494B IT20997/73A IT2099773A IT984494B IT 984494 B IT984494 B IT 984494B IT 20997/73 A IT20997/73 A IT 20997/73A IT 2099773 A IT2099773 A IT 2099773A IT 984494 B IT984494 B IT 984494B
- Authority
- IT
- Italy
- Prior art keywords
- testing
- procedure
- telecommunications network
- wire connections
- distribution centers
- 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)
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 |
|---|---|
| IT984494B true IT984494B (en) | 1974-11-20 |
Family
ID=4243022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
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 JP JP2420573A patent/JPS5333203B2/ja not_active Expired
- 1973-02-28 IT IT20997/73A patent/IT984494B/en active
- 1973-02-28 BE BE128227A patent/BE796107A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IL41504A (en) | 1975-08-31 |
| NL7302655A (en) | 1973-08-31 |
| ATA152673A (en) | 1975-08-15 |
| ES411818A1 (en) | 1976-01-01 |
| FR2177758A1 (en) | 1973-11-09 |
| AT329641B (en) | 1976-05-25 |
| NO136814B (en) | 1977-08-01 |
| CH541265A (en) | 1973-08-31 |
| JPS48102508A (en) | 1973-12-22 |
| NL156881B (en) | 1978-05-16 |
| FR2177758B1 (en) | 1981-07-24 |
| DE2304923A1 (en) | 1973-09-20 |
| GB1401128A (en) | 1975-07-16 |
| NO136814C (en) | 1977-11-16 |
| DE2304923B2 (en) | 1974-03-07 |
| IE37320L (en) | 1973-08-29 |
| IE37320B1 (en) | 1977-06-22 |
| JPS5333203B2 (en) | 1978-09-13 |
| BE796107A (en) | 1973-06-18 |
| LU67108A1 (en) | 1973-05-03 |
| DE2304923C3 (en) | 1974-09-26 |
| IL41504A0 (en) | 1973-04-30 |
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