IT8424256A0 - Disposizione di prova per l'analisi di circuiti per un sistema di commutazione digitale. - Google Patents
Disposizione di prova per l'analisi di circuiti per un sistema di commutazione digitale.Info
- Publication number
- IT8424256A0 IT8424256A0 IT8424256A IT2425684A IT8424256A0 IT 8424256 A0 IT8424256 A0 IT 8424256A0 IT 8424256 A IT8424256 A IT 8424256A IT 2425684 A IT2425684 A IT 2425684A IT 8424256 A0 IT8424256 A0 IT 8424256A0
- Authority
- IT
- Italy
- Prior art keywords
- switching system
- test arrangement
- digital switching
- circuit analysis
- analysis
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
- H04M3/302—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs
- H04M3/303—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop using modulation techniques for copper pairs and using PCM multiplexers, e.g. pair gain systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
- H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
- H04M3/32—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges
- H04M3/323—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for lines between exchanges for the arrangements providing the connection (test connection, test call, call simulation)
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/566,247 US4552997A (en) | 1983-12-28 | 1983-12-28 | Arrangement for loop analysis testing for a digital switching system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8424256A0 true IT8424256A0 (it) | 1984-12-27 |
| IT1181939B IT1181939B (it) | 1987-09-30 |
Family
ID=24262125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT24256/84A IT1181939B (it) | 1983-12-28 | 1984-12-27 | Disposizione di prova per l'analisi di circuiti per un sistema di commutazione digitale |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4552997A (it) |
| JP (1) | JPS60158759A (it) |
| BE (1) | BE901348A (it) |
| CA (1) | CA1226358A (it) |
| IT (1) | IT1181939B (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4740961A (en) * | 1986-10-30 | 1988-04-26 | Gte Communication Systems Corporation | Frame checking arrangement for duplex time multiplexed reframing circuitry |
| US4870675A (en) * | 1988-11-28 | 1989-09-26 | American Telephone And Telegraph Company | Remote testing of metallic loops with a trans hybrid signal |
| US5579368A (en) * | 1992-05-18 | 1996-11-26 | Rockwell International Corporation | Device for monitoring a switch |
| GB2289186A (en) * | 1994-04-05 | 1995-11-08 | Ibm | Collaborative working method and system |
| US6041041A (en) * | 1997-04-15 | 2000-03-21 | Ramanathan; Srinivas | Method and system for managing data service systems |
| FR2762744B1 (fr) * | 1997-04-25 | 1999-07-30 | France Telecom | Procede de verification d'une ligne d'abonne connectee a un reseau numerique, et installation pour la mise en oeuvre de ce procede |
| GB2326305A (en) * | 1997-06-13 | 1998-12-16 | Schlumberger Ind Ltd | Local exchange testing |
| US7360153B1 (en) * | 2000-01-17 | 2008-04-15 | Lucent Technologies Inc. | Method and apparatus for importing digital switching system data into a spreadsheet program |
| GB2382502B (en) | 2001-11-23 | 2005-10-19 | Actix Ltd | Network testing systems |
| US7224968B2 (en) * | 2001-11-23 | 2007-05-29 | Actix Limited | Network testing and monitoring systems |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4435803A (en) * | 1980-03-31 | 1984-03-06 | International Telephone And Telegraph Corporation | Analog subscriber/trunk module with shared ringing source and ring-trip |
| US4454388A (en) * | 1982-12-01 | 1984-06-12 | Gte Automatic Electric Inc. | Arrangement for subscriber line verification and ring testing |
-
1983
- 1983-12-28 US US06/566,247 patent/US4552997A/en not_active Expired - Fee Related
-
1984
- 1984-12-17 CA CA000470294A patent/CA1226358A/en not_active Expired
- 1984-12-21 BE BE2/60578A patent/BE901348A/fr not_active IP Right Cessation
- 1984-12-26 JP JP59273512A patent/JPS60158759A/ja active Pending
- 1984-12-27 IT IT24256/84A patent/IT1181939B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1181939B (it) | 1987-09-30 |
| BE901348A (fr) | 1985-04-16 |
| CA1226358A (en) | 1987-09-01 |
| US4552997A (en) | 1985-11-12 |
| JPS60158759A (ja) | 1985-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT8419528A0 (it) | Sistema commutatore digitale. | |
| DE3485792D1 (de) | Digitale signalverarbeitungseinrichtungen. | |
| DE3687608D1 (de) | Digitale bildumsetzungsvorrichtung. | |
| TR21316A (tr) | Isaretleri d@n*st*rmeye mahsus devre d*zenlemesi | |
| DE3788968D1 (de) | Digitale Effektschaltung für Videoschalter. | |
| IT1171789B (it) | Sistema di matrizzazione digitale | |
| NL191917C (nl) | Signaalvergelijkingsschakeling. | |
| IT8324414A0 (it) | Circuito di prova di sistema commutatore. | |
| DE3579212D1 (de) | Digitale hilfsvorrichtung. | |
| FR2516323B1 (fr) | Circuit servant a convertir un signal d'information en un signal rectangulaire | |
| IT8424256A0 (it) | Disposizione di prova per l'analisi di circuiti per un sistema di commutazione digitale. | |
| NL192167B (nl) | Digitale fasevergelijkingsschakeling. | |
| DE3584601D1 (de) | Digitale konferenzschaltung. | |
| ES517554A0 (es) | Un dispositivo disyuntor perfeccionado. | |
| IT8424267A0 (it) | Disposizione per facilitare la prova d'analisi di circuiti esterni per un sistema di commutazione digitale. | |
| FI831404A7 (fi) | Puhelinjärjestelmän digitaalinen valvontapiiri. | |
| ES517099A0 (es) | Disyuntor de conexion. | |
| ES532231A0 (es) | Un sistema de comunicaciones digital | |
| NO166464C (no) | Signalapparat. | |
| DE3484790D1 (de) | Abtasthalteschaltung. | |
| EP0091492A4 (en) | REFERENCE TIME DETECTION CIRCUIT. | |
| NL192143B (nl) | Digitale signaalverwerkingskring. | |
| AT388266B (de) | Signalabtastschaltung | |
| IT8321308A0 (it) | Concentratore digitale. | |
| DE3481363D1 (de) | Digitaler signal-umschaltkreis. |