GB1394793A - Fault detecting arrangements in pcm telecommunication systems - Google Patents

Fault detecting arrangements in pcm telecommunication systems

Info

Publication number
GB1394793A
GB1394793A GB1304473A GB1304473A GB1394793A GB 1394793 A GB1394793 A GB 1394793A GB 1304473 A GB1304473 A GB 1304473A GB 1304473 A GB1304473 A GB 1304473A GB 1394793 A GB1394793 A GB 1394793A
Authority
GB
United Kingdom
Prior art keywords
pulse pattern
repeater
generator
test pulse
station
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
GB1304473A
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.)
Siemens AG
Original Assignee
Siemens 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
Priority claimed from DE19722215836 external-priority patent/DE2215836C/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB1394793A publication Critical patent/GB1394793A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/401—Monitoring; Testing of relay systems with selective localization
    • H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/404—Monitoring; Testing of relay systems with selective localization using different frequencies selected by local filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Dc Digital Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
GB1304473A 1972-03-30 1973-03-19 Fault detecting arrangements in pcm telecommunication systems Expired GB1394793A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722215836 DE2215836C (de) 1972-03-30 Verfahren und Einrichtung zur Er mittlung von Fehlern in mit Regenera toren versehenen Zwischenstellen eines mit Pulscodemodulation arbeitenden Ubertragungssystems

Publications (1)

Publication Number Publication Date
GB1394793A true GB1394793A (en) 1975-05-21

Family

ID=5840768

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1304473A Expired GB1394793A (en) 1972-03-30 1973-03-19 Fault detecting arrangements in pcm telecommunication systems

Country Status (9)

Country Link
JP (2) JPS499911A (is)
AT (1) AT334422B (is)
AU (1) AU452876B2 (is)
BE (1) BE797606R (is)
CH (1) CH588192A5 (is)
FR (1) FR2178187B2 (is)
GB (1) GB1394793A (is)
IL (1) IL41861A (is)
IT (1) IT1045340B (is)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127653A (en) * 1982-09-15 1984-04-11 Standard Telephones Cables Ltd Supervision of digital transmission systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127653A (en) * 1982-09-15 1984-04-11 Standard Telephones Cables Ltd Supervision of digital transmission systems

Also Published As

Publication number Publication date
JPS5366314A (en) 1978-06-13
IT1045340B (it) 1980-05-10
AU452876B2 (en) 1974-09-19
JPS5722497B2 (is) 1982-05-13
BE797606R (fr) 1973-10-01
IL41861A0 (en) 1973-05-31
JPS499911A (is) 1974-01-29
DE2215836A1 (is) 1972-12-07
FR2178187A2 (is) 1973-11-09
CH588192A5 (is) 1977-05-31
ATA241873A (de) 1976-05-15
IL41861A (en) 1975-10-15
AT334422B (de) 1976-01-10
FR2178187B2 (is) 1977-09-02
DE2215836B2 (de) 1972-12-07
AU5360073A (en) 1974-09-19

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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